Sight Glasses | Encole

Sight Glass

The objective of a sight glass is to provide a window into a pressure vessel, a hot temperature or corrosive process environment, for machine vision or live observation. We manufacture and distribute sight glasses, sapphire and quartz windows as well as laser window assemblies. Encole offers stock and custom high pressure sight glasses for energy, food processing and pharmaceutical applications. We also offer sight windows for ultra high vacuum in semiconductor applications. Sight windows available through the catalog cover a broad spectrum of transmitted wavelengths, from infrared to ultraviolet.

Encole

NPT-Threaded High Pressure Sight Glasses with Quartz Windows, 316 Stainless Housing

NPT-Threaded High Pressure Sight Glasses with Quartz Windows, 316 Stainless Housing
Sight window with NPT threads conforming to ASME B1.20.1. For visual inspection, machine vision, laser sensors, in use with all common hydraulic oils, refrigerants, pharmaceutical processing equipment, paper & pulp plants, marine exterior, oil wells, feedwater heaters. Resists most oxidizing acids and salt sprays. Ideal choice for applications requiring no compromises in optical clarity. The window is flat on both sides, and precisely polished to surface quality of 40-20 S-D per MIL-O-13830. Because the window material is quartz, this sight glass can be used in applications requiring extended transmission ranges. Specifically, this window transmits over 50 percent of light from 217 to 3600 nm wavelengths. Quartz window is sealed into the housing with non-outgassing quartz-filled bond forming a single-piece part. This sight glass has a long working life under severe temperature swings and prolonged exposures to UV light.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
0.380 inch NPT 3/8 65 C 2170 psi AISI 316 Quartz 100671 265A1000 $275.99 each
0.460 inch NPT 1/2 60 C 2170 psi AISI 316 Quartz 100672 265A1001 RFQ
0.640 inch NPT 3/4 55 C 2170 psi AISI 316 Quartz 100673 265A1002 RFQ
0.860 inch NPT 1 45 C 2170 psi AISI 316 Quartz 100674 265A1003 $295.80 each
1.180 inch NPT 1-1/4 40 C 2170 psi AISI 316 Quartz 100675 265A1004 $368.87 each
1.380 inch NPT 1-1/2 35 C 2170 psi AISI 316 Quartz 100676 265A1005 $409.00 each
1.800 inch NPT 2 35 C 2170 psi AISI 316 Quartz 100677 265A1006 RFQ
0.350 inch NPT 3/8 65 C 6170 psi AISI 316 Quartz 100765 324A1000 $408.00 each
0.400 inch NPT 1/2 60 C 6170 psi AISI 316 Quartz 100766 324A1001 $426.04 each
0.550 inch NPT 3/4 55 C 6170 psi AISI 316 Quartz 100767 324A1002 RFQ
0.750 inch NPT 1 45 C 6170 psi AISI 316 Quartz 100768 324A1003 $435.90 each
1.010 inch NPT 1-1/4 40 C 6170 psi AISI 316 Quartz 100769 324A1004 RFQ
1.220 inch NPT 1-1/2 35 C 6170 psi AISI 316 Quartz 100770 324A1005 $697.58 each
1.610 inch NPT 2 35 C 6170 psi AISI 316 Quartz 100771 324A1006 RFQ

Metaglas, Herberts Industrieglas GmbH & Co. KG

NPT-Threaded Fused Sight Glasses, Borosilicate Windows

NPT-Threaded Fused Sight Glasses, Borosilicate Windows
Fusing glass to metal creates a strong, hermetically sealed single-piece part. The advantage of this construction is high strength of the glass, which ensures safety of operation, even during cycling operating temperatures common with equipment starts and stops. The part is easy to install and has a long working life without maintenance. These sight window have NPT threads conforming to ASME B1.20.1. For use with all common hydraulic oils, refrigeration, water heaters, and compressed air applications. Note: The image of the objects behind the glass may be distorted as the glass is slightly concave. For perfect optical clarity choose sight glasses with glass filling the entire height of the housing, where both sides of the glass are flat.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
9.00 mm NPT 1/4 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-025H 406S05 $287.54 each
10.00 mm NPT 3/8 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-038H 406S06 $333.95 each
14.00 mm NPT 1/2 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-050H 406S07 $378.50 each
18.00 mm NPT 3/4 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-075H 406S09 $435.90 each
22.00 mm NPT 1 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-100H 406S11 $540.00 each
25.00 mm NPT 1-1/4 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-125H 406S12 $622.00 each
30.00 mm NPT 1-1/2 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-150H 406S13 $712.00 each
37.00 mm NPT 2 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-200H 406S14 $1370.00 each
55.00 mm NPT 3 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-300H 406S16 $2321.00 each
9.00 mm NPT 1/4 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-025S 405S05 $181.27 each
10.00 mm NPT 3/8 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-038S 405S06 $189.55 each
14.00 mm NPT 1/2 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-050S 405S07 $198.32 each
18.00 mm NPT 3/4 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-075S 405S09 $209.24 each
22.00 mm NPT 1 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-100S 405S11 $218.53 each
25.00 mm NPT 1-1/4 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-125S 405S12 $288.89 each
30.00 mm NPT 1-1/2 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-150S 405S13 $291.08 each
37.00 mm NPT 2 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-200S 405S14 $386.59 each
55.00 mm NPT 3 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-300S 405S16 $496.94 each
9.00 mm NPTF 1/4 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-025S 408S05 $181.27 each
11.00 mm NPTF 3/8 280 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-038S 408S06 $189.55 each
14.00 mm NPTF 1/2 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-050S 408S07 $198.32 each
18.00 mm NPTF 3/4 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-075S 408S09 $209.24 each
22.00 mm NPTF 1 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-100S 408S11 $218.53 each
25.00 mm NPTF 1-1/4 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-125S 408S12 $288.89 each
30.00 mm NPTF 1-1/2 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-150S 408S13 $291.08 each
37.00 mm NPTF 2 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-200S 408S14 $386.59 each
55.00 mm NPTF 3 150 C 100 bar 2205 Duplex Borosilicate Met Type 61-F-300S 408S16 $496.94 each
9.00 mm NPTF 1/4 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-025H 409S05 $447.72 each
10.00 mm NPTF 3/8 150 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-038H 409S06 $465.13 each
14.00 mm NPTF 1/2 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-050H 409S07 $478.68 each
18.00 mm NPTF 3/4 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-075H 409S09 $496.08 each
22.00 mm NPTF 1 150 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-100H 409S11 $529.43 each
25.00 mm NPTF 1-1/4 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-125H 409S12 $585.38 each
30.00 mm NPTF 1-1/2 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-150H 409S13 $647.68 each
37.00 mm NPTF 2 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-200H 409S14 $738.95 each
55.00 mm NPTF 3 300 C 100 bar Hastelloy C-22 Borosilicate Met Type 61-F-300H 409S16 $769.82 each

Metaglas, Herberts Industrieglas GmbH & Co. KG

Fused NPT Sight Glasses, Duplex Steel 2205, Sodalime, Full Glass Height

Fused NPT Sight Glasses, Duplex Steel 2205, Sodalime, Full Glass Height
Soda lime glass is fused to a duplex steel 2205 housing, where the glass extends the entire height of the fitting. Glass is flush with both ends of the housing. Sides of the glass are flat and lapped to approximately S-D: 80-40, an optical finish of a typical room window. This optical clarity is suitable for undistorted viewing though the sight glass. For visual inspection, machine vision, optical sensors, in use with all common hydraulic oils, refrigeration, water heaters, and compressed air applications. Connections are NPT or NPTF (Dryseal) threads conforming to ASME B1.20.1.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
5.00 mm NPT 1/4 150 C 100 bar 2205 Duplex Soda lime Met 62-025S 410S05 $214.08 each
7.00 mm NPT 3/8 150 C 100 bar 2205 Duplex Soda lime Met 62-038S 410S06 $231.05 each
11.00 mm NPT 1/2 150 C 100 bar 2205 Duplex Soda lime Met 62-05S 410S07 $248.12 each
17.00 mm NPT 3/4 150 C 100 bar 2205 Duplex Soda lime Met 62-075S 410S09 $262.12 each
19.00 mm NPT 1 150 C 100 bar 2205 Duplex Soda lime Met 62-100S 410S11 $283.15 each
22.00 mm NPT 1-1/4 150 C 100 bar 2205 Duplex Soda lime Met 62-125S 410S12 $288.05 each
25.00 mm NPT 1-1/2 150 C 100 bar 2205 Duplex Soda lime Met 62-150S 410S13 $299.25 each
35.00 mm NPT 2 150 C 100 bar 2205 Duplex Soda lime Met 62-200S 410S14 $381.23 each
5.00 mm NPTF 1/4 150 C 100 bar 2205 Duplex Soda lime Met 62F-025S 413S05 $214.80 each
7.00 mm NPTF 3/8 150 C 100 bar 2205 Duplex Soda lime Met 62F-038S 413S06 $231.09 each
11.00 mm NPTF 1/2 150 C 100 bar 2205 Duplex Soda lime Met 62F-050S 413S07 $249.15 each
17.00 mm NPTF 3/4 150 C 100 bar 2205 Duplex Soda lime Met 62F-075S 413S09 $264.70 each
19.00 mm NPTF 1 150 C 100 bar 2205 Duplex Soda lime Met 62F-100S 413S11 $298.87 each
22.00 mm NPTF 1-1/4 150 C 100 bar 2205 Duplex Soda lime Met 62F-125S 413S12 $303.54 each
25.00 mm NPTF 1-1/2 150 C 100 bar 2205 Duplex Soda lime Met 62F-150S 413S13 $345.94 each
35.00 mm NPTF 2 150 C 100 bar 2205 Duplex Soda lime Met 62F-200S 413S14 $387.90 each

Oil-Rite Corporation

Low Cost Fused NPT-Threaded Sight Glasses, Zinc-Plated Carbon Steel. From $6.00

Low Cost Fused NPT-Threaded Sight Glasses, Zinc-Plated Carbon Steel. From $6.00
Sodalime glass is fused to a plain carbon steel body which is Zinc-plated for added corrosion resistance. These sight glasses can be threaded directly into a pipe, or a boss welded to a pipe with subsequent threads cut into the boss. These are ideal budget sight glasses/viewports for visual observation of liquid levels and their colors. Applications include hydraulic systems with mineral oils, diesel, and other common petrochemicals where low cost is required. Not suitable for cycling high temperature, high pressure or aggressively corrosive applications.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
0.340 inch NPT 1/4 130 F 125 psi Carbon Steel, Plated Soda lime A2890-1 OR110001 $6.62 each
0.560 inch NPT 1/2 130 F 125 psi Carbon Steel, Plated Soda lime A2890-3 OR110003 $7.46 each
0.940 inch NPT 1 130 F 125 psi Carbon Steel, Plated Soda lime A2890-5 OR110005 $12.26 each
1.190 inch NPT 1-1/4 130 F 125 psi Carbon Steel, Plated Soda lime A2890-6 OR110006 $21.91 each
1.440 inch NPT 1-1/2 130 F 125 psi Carbon Steel, Plated Soda lime A2890-7 OR110007 $25.98 each
1.880 inch NPT 2 130 F 125 psi Carbon Steel, Plated Soda lime A2890-8 OR110008 $31.49 each
0.440 inch NPTF 3/8 130 F 125 psi Carbon Steel, Plated Soda lime A2890-2 OR110002 $6.79 each
0.750 inch NPTF 3/4 130 F 125 psi Carbon Steel, Plated Soda lime A2890-4 OR110004 $9.57 each

Oil-Rite Corporation

Stainless Steel Gasketed Glass Sights with NPT Threads

Stainless Steel Gasketed Glass Sights with NPT Threads
303 Stainless Steel Gasketed Glass Sight for visual observation of liquid levels and their condition. This sight glass is typically used in any application where oil or fluid inspection is essential. The housing is a 303 Stainless Steel fitting with U.S. standard NPT threads conforming to ASME B1.20.1. Use traditional installation tools and Teflon tape or pipe sealant. These sights have Buna-N internal seal with good chemical compatibility with Petroleum oils and fluids; Cold Water; Silicone greases and oils; Dibasic Acid Ester (Diester) based lubricants (MIL-L-7808); Ethylene glycol base fluids (Hydrolubes). Not Recommended for: Halogenated hydrocarbons (carbon tetrachloride, trichloroethylene); Nitro hydrocarbons (nitrobenzene, aniline); Phosphate ester hydraulic fluids (Skydrol, Fyrquel, Pydraul); Ketones (MEK, acetone); Strong Acids Ozone; Automotive brake fluid.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
0.312 inch NPT 1/4 225 F 125 psi AISI 303 Soda lime B4763-01B 330A1000 $59.26 per package of 2
0.469 inch NPT 3/8 225 F 125 psi AISI 303 Soda lime B4763-02B 330A1001 $65.32 per package of 2
0.594 inch NPT 1/2 225 F 125 psi AISI 303 Soda lime B4763-03B 330A1003 $77.32 per package of 2
0.781 inch NPT 3/4 225 F 125 psi AISI 303 Soda lime B4763-04B 330A1005 $85.32 per package of 2
1.000 inch NPT 1 225 F 100 psi AISI 303 Soda lime B4763-05B 330A1007 $93.78 per package of 2
1.593 inch NPT 1-1/4 225 F 75 psi AISI 303 Soda lime B4763-06B 330A1009 $123.70 per package of 2
1.531 inch NPT 1-1/2 225 F 50 psi AISI 303 Soda lime B4763-07B 330A1011 $72.67 each
1.969 inch NPT 2 225 F 50 psi AISI 303 Soda lime B4763-08B 330A1013 $86.75 each

Oil-Rite Corporation

Stainless Steel Gasketed Glass Sights with Reflector, NPT Threads

Stainless Steel Gasketed Glass Sights with Reflector, NPT Threads
Reflector behind the glass helps see oil levels, presence of liquids, color, quality of a fluid. 303 Stainless Steel Gasketed Glass Sight for visual observation of liquid levels and their condition. These sight glasses are typically used in any application where oil or fluid inspection is essential. The housing is a 303 Stainless Steel fitting with U.S. standard NPT threads conforming to ASME B1.20.1. Use traditional installation tools and Teflon tape or pipe sealant. These sight glasses have a Buna-N internal seal for good chemical compatibility with Petroleum oils and fluids; Cold Water; Silicone greases and oils; Dibasic Acid Ester (Diester) based lubricants (MIL-L-7808); Ethylene glycol base fluids (Hydrolubes). Not Recommended for: Halogenated hydrocarbons (carbon tetrachloride, trichloroethylene); Nitro hydrocarbons (nitrobenzene, aniline); Phosphate ester hydraulic fluids (Skydrol, Fyrquel, Pydraul); Ketones (MEK, acetone); Strong Acids Ozone; Automotive brake fluid.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
0.469 inch NPT 3/8 225 F 125 psi AISI 303 Soda lime B4763-12B 330A1002 $71.32 per package of 2
0.594 inch NPT 1/2 225 F 125 psi AISI 303 Soda lime B4763-13B 330A1004 $81.32 per package of 2
0.781 inch NPT 3/4 225 F 125 psi AISI 303 Soda lime B4763-14B 330A1006 $93.32 per package of 2
1.000 inch NPT 1 225 F 100 psi AISI 303 Soda lime B4763-15B 330A1008 $95.32 per package of 2
1.593 inch NPT 1-1/4 225 F 75 psi AISI 303 Soda lime B4763-16B 330A1010 $64.67 each
1.531 inch NPT 1-1/2 225 F 50 psi AISI 303 Soda lime B4763-17B 330A1012 $74.85 each
1.969 inch NPT 2 225 F 50 psi AISI 303 Soda lime B4763-18B 330A1014 $89.65 each

Encole

Sapphire Sight Glasses NPT-Threaded for H2S Service.

Sapphire Sight Glasses NPT-Threaded for H2S Service.
Specifically designed for Hydrogen Sulfide, H2S service at high temperature, these sight windows are an ideal choice for use in sour refinery process. The C-276 Hastelloy housing has a finish of 32 RMS providing smooth surfaces reducing residues or particle contaminants.A sapphire window is sealed into the housing with an all-metal seal. These sight glasses have a long working life under severe temperature swings. The lifetime is unaffected by thermal or pressure cycling.

Please note: The internal C-seal itself is rated to 27,700 psi pressure at 700 degrees C (1,292 F), this is the critical element of these sight windows.
Aperture Dia Thread Housing Material Max Operating Pressure Max Operating Temp Window Material Mfg.P/N Encole P/N Price
0.770 inch NPT 1 Hastelloy C-276 210 bar 426 C Sapphire 100735 325A1000 $2133.00 each
1.160 inch NPT 1-1/2 Hastelloy C-276 190 bar 426 C Sapphire 100736 325A1001 $2511.00 each
1.660 inch NPT 2 Hastelloy C-276 190 bar 426 C Sapphire 100737 325A1002 $2889.00 each
2.000 inch NPT 2-1/2 Hastelloy C-276 135 bar 426 C Sapphire 100738 325A1003 $3393.00 each
2.420 inch NPT 3 Hastelloy C-276 135 bar 426 C Sapphire 100739 325A1004 $3789.00 each

Metaglas, Herberts Industrieglas GmbH & Co. KG

ASME B16.5 - Flanged Sight Glasses, Borosilicate Windows.

ASME B16.5 - Flanged Sight Glasses, Borosilicate Windows.
Sight windows for corrosion resistant applications. Suitable configuration for flue gas scrubber systems, cooling towers, incinerators, geothermal wells, deep/shallow sea water applications, biofuels, food, and pharmaceutical processing equipment. Requires parallel mounting flat face and full gasket.

Fusing glass to metal creates a hermetically sealed single-piece part. The advantage of this construction is high strength of the glass, which ensures safety of operation, even during cycling operating temperatures common with equipment starts and stops. The part is easy to install, and has a long working life without maintenance.
Nominal Pipe Size ASME Class Aperture Dia Max Operating Temp Housing Material Window Material Mfg.P/N Encole P/N Price
1-1/2 150 40.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-1.5S 905S13 $749.63 each
2 150 50.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-2S 905S14 $974.85 each
2-1/2 150 60.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-2.5S 905S15 $1362.45 each
3 150 75.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-3S 905S16 $1679.80 each
4 150 100.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-4S 905S18 $1820.70 each
6 150 140.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-6S 905S21 $2655.25 each
8 150 160.00 mm 280 C 2205 Duplex Borosilicate Met 13A15-8S 905S23 $3184.35 each
1-1/2 300 40.00 mm 280 C 2205 Duplex Borosilicate Met 13A-30-1.5S 907S13 $1748.51 each
2 300 50.00 mm 280 C 2205 Duplex Borosilicate Met13A-30-2S 907S14 $1812.20 each
2-1/2 300 60.00 mm 280 C 2205 Duplex Borosilicate Met 13A-30-2.5S 907S15 $1897.60 each
3 300 70.00 mm 280 C 2205 Duplex Borosilicate Met 13A-30-3S 907S16 $2651.35 each
4 300 100.00 mm 280 C 2205 Duplex Borosilicate Met 13A-30-4S 907S18 $4862.70 each
1-1/2 150 40.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A15-1.5H 906S13 $1832.96 each
2 150 50.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A-15-2H 906S14 $2111.40 each
2-1/2 150 60.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A-15-2.5H 906S15 $2489.60 each
3 150 75.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A-15-3H 906S16 $2895.47 each
4 150 100.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A-15-4H 906S18 $4985.90 each
6 150 140.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A-15-6H 906S21 $6475.32 each
8 150 160.00 mm 300 C Hastelloy C-22 Borosilicate Met 13A-15-8H 906S23 $9739.73 each
1-1/2 300 40.00 mm 280 C Hastelloy C-22 Borosilicate Met 13A-30-1.5H 908S13 $2932.74 each
2 300 50.00 mm 280 C Hastelloy C-22 Borosilicate Met 13A-30-2H 908S14 $3775.75 each
2-1/2 300 60.00 mm 280 C Hastelloy C-22 Borosilicate Met 13A-30-2.5H 908S15 $4872.20 each
3 300 70.00 mm 280 C Hastelloy C-22 Borosilicate Met 13A-30-3H 908S16 $5358.52 each
4 300 100.00 mm 280 C Hastelloy C-22 Borosilicate Met 13A-30-4H 908S18 $7134.50 each

Metaglas, Herberts Industrieglas GmbH & Co. KG

KF Sight Glasses for MetaClamp(R), Borosilicate Fused to Duplex Steel Housing.

KF Sight Glasses for MetaClamp(R), Borosilicate Fused to Duplex Steel Housing.
KF sight glasses for high vacuum and hygienic applications. Simple to install with no risk of breakage, this is a single-piece part ideal for use on food processing equipment (A3-Standard). Reliable against total failure - possibility of sudden unexpected rupture is totally excluded. This sight glass has a trade name MetaClamp(R) designed to be sealed to the process vessel with an elastomer gasket using a Tri Sanitary clamp. Standard KF clamps will also work but with less precision in clamping and without compliance for hygienic applications.

These KF sight glasses, are manufactured to high tolerances and comes standard with surface finish 10 Ra microinches, with optional electropolish for improved cleanliness. Borosilicate glass DIN 7080 is fused to metal conforming to DIN 7079. Housing is made from Duplex Stainless Steel 2205 (1.4462), with material certificate traceable to the metal manufacturer. Manufactured and tested in conformance with A.D. Standard Series H.P. & A.D. standard WO/TRD 100.

These sight glasses have an uninterrupted surface with no crevices trapping bacteria. No epoxies, no internal seals, just pure borosilicate glass-to-metal fusion. Supplied with Certificate of Conformity to EN 10204-3.1B or 3.1A.
Aperture Dia Flange OD Housing Material Max Operating Temp Max Operating Pressure KF Size Mfg.P/N Encole P/N Price
140.00 mm 319.00 mm 2205 Duplex 232 C 85 psi 12 METACLAMP-12S 336A1011 $2875.10 each
120.00 mm 268.00 mm 2205 Duplex 232 C 85 psi 10 METACLAMP-10S 336A1010 $1896.50 each
100.00 mm 218.00 mm 2205 Duplex 232 C 85 psi 8 METACLAMP-8S 336A1009 $1397.45 each
75.00 mm 167.00 mm 2205 Duplex 232 C 85 psi 6 METACLAMP-6S 336A1008 $1090.20 each
55.00 mm 119.00 mm 2205 Duplex 232 C 150 psi 4 METACLAMP-4S 336A1007 $515.75 each
50.00 mm 106.00 mm 2205 Duplex 232 C 150 bar 3-1/2 METACLAMP-3.5S 336A1006 $486.75 each
40.00 mm 91.00 mm 2205 Duplex 232 C 150 psi 3 METACLAMP-3S 336A1005 $379.40 each
35.00 mm 78.00 mm 2205 Duplex 232 C 230 psi 2-1/2 METACLAMP-2.5S 336A1004 $347.16 each
30.00 mm 64.00 mm 2205 Duplex 232 C 230 psi 2 METACLAMP-2S 336A1003 $282.90 each
25.00 mm 51.00 mm 2205 Duplex 232 C 230 psi 1, 1-1/2 METACLAMP-1S 336A1002 $268.93 each
10.00 mm 25.00 mm 2205 Duplex 232 C 230 psi 1/2,3/4 METACLAMP-.50S 336A1001 $268.93 each

Encole

High Temperature Sight Windows, Weld-On

High Temperature Sight Windows, Weld-On
Designed for continuous operation at 2,000 °F. All of the construction materials in these sight windows resist oxidation and maintain strength at high temperature. These sight windows are typically used for visual inspection, with remotely mounted cameras away from heat, or laser sensors monitoring the process in furnaces, ovens, kilns, or any combustion chambers at near-ambient pressures.

The weld pad housing has a weld-prepped chamfer ready to be butt welded to a flat vessel wall. The flange cover is mounted over the quartz window, sandwiched between graphite gaskets. The cover is torqued down to the weld pad with eight hex-head bolts. Cover lands directly onto the weld pad, eliminating any mechanical stresses in the window. This is a benefit of this design allowing accommodating higher stresses from thermal loads.
Nominal Pipe Size Aperture Dia Max Operating Pressure Max Operating Temp Housing Material Window Material Mfg P/N Encole P/N Price
1.30 Tube O.D. 1.000 inch 145 psi 2000 F 800H Quartz 100822 326A1000 $5520.00 each
2.30 Tube O.D. 2.000 inch 145 psi 2000 F 800H Quartz 100823 326A1001 $5960.00 each
3.30 Tube O.D. 3.000 inch 145 psi 2000 F 800H Quartz 100824 326A1002 $7734.00 each
4.30 Tube O.D. 4.000 inch 145 psi 2000 F 800H Quartz 100825 326A1003 $8760.00 each
6.30 Tube O.D. 6.000 inch 145 psi 2000 F 800H Quartz 100826 326A1004 $10860.00 each

Papenmeier - F. H. / Lumiglas

Lumiglas Circular Sightglass Weld-On, Stainless Steel Housings, PTFE gasket, Borosilicate Windows.

Lumiglas Circular Sightglass Weld-On, Stainless Steel Housings, PTFE gasket, Borosilicate Windows.
Weld-on circular sight glasses for a quick observation inside pressure vessels, silos, pipelines, oil tanks, mixers separators. These sightglass fittings come standard with all seals and mounting hardware included.

The kit includes one Weld pad made from 316L stainless steel, one Cover flange made from 321 stainless, one toughened borosilicate disc, one seal gasket made from PTFE (Teflon), one cushion gasket made from Klinger(R) C-4400, eight mounting studs and nuts made from 304 (A2) stainless steel.

The Weld pad is flat on the bottom and has a weld prep chamfer ready to be welded to a flat process wall. Curvature can be machined in as needed to match non-flat vessel walls. The weld pad made from 316L has better overall corrosion resistance than 321, which has greater strength. The combination of 316L for weld pad and 321 for the clamp flange gives this kit the most optimum balance of strength and corrosion resistance.
Nominal Pipe Size Aperture Dia Max Operating Pressure Max Operating Temp Housing Material Window Material Mfg P/N Encole P/N Price
ISO-200 225.00 mm 150 psi 280 C AISI 316L Borosilicate DN-F1BB1A1BNNN 252A1011 $2423.00 each
ISO-150 175.00 mm 235 psi 280 C AISI 316L Borosilicate DN-E2BB1A1BNNN 252A1010 $1644.00 each
ISO-125 150.00 mm 235 psi 280 C AISI 316L Borosilicate DN-D2BB1A1BNNN 252A1009 $1251.00 each
ISO-100 125.00 mm 235 psi 280 C AISI 316L Borosilicate DN-C2BB1A1BNNN 252A1008 $975.00 each
ISO-80 100.00 mm 235 psi 280 C AISI 316L Borosilicate DN-B2BB1A1BNNN 252A1007 $991.00 each
ISO-50 80.00 mm 235 psi 280 C AISI 316L Borosilicate DN-A2BB1A1BNNN 252A1006 $779.00 each

Papenmeier - F. H. / Lumiglas

Lumiglas Circular Sightglass Weld-On, Carbon Steel Housing, Borosilicate Windows

Lumiglas Circular Sightglass Weld-On, Carbon Steel Housing, Borosilicate Windows
The kit includes one Weld pad and one Cover flange made from RST 37.2 carbon steel, one toughened borosilicate disc, one seal gasket made from PTFE (Teflon), one cushion gasket made from Klinger(R) C-4400, eight mounting studs and nuts made from carbon steel bolt grade 5.6. The weld pad is flat on the bottom and has a weld prep chamfer ready to be welded to a flat process wall. Curvature can be machined in as needed to match non-flat vessel walls. The weld pad comes plated and the cover flange is painted for rust prevention.

After welding the ferrule (weld pad) the sightglass disc has a permanent dedicated location on the pressure vessel. Cover flange, window, seals and mounting hardware can be replaced during scheduled service intervals or as needed. Sightglass disc and the gaskets must be replaced whenever the assembly is taken apart.
Nominal Pipe Size Aperture Dia Max Operating Pressure Max Operating Temp Housing Material Window Material Mfg P/N Encole P/N Price
ISO-200 175.00 mm 150 psi 280 C Carbon Steel Borosilicate DN-E1AA1A1ANNN 252A1016 $2000.00 each
ISO-125 150.00 mm 150 psi 280 C Carbon Steel Borosilicate DN-D1AA1A1ANNN 252A1015 $1200.00 each
ISO-100 125.00 mm 150 psi 280 C Carbon Steel Borosilicate DN-C1AA1A1ANNN 252A1014 $1000.00 each
ISO-80 100.00 mm 150 psi 280 C Carbon Steel Borosilicate DN-B1AA1A1ANNN 252A1013 $800.00 each
ISO-50 80.00 mm 150 psi 280 C Carbon Steel Borosilicate DN-A1AA1A1ANNN 252A1012 $600.00 each

Encole

Metric Sight Glasses, 316 Stainless Steel, Quartz Windows

Metric Sight Glasses, 316 Stainless Steel, Quartz Windows
Sight windows with metric threads conforming to ASME B1-1.3M-2005. For visual inspection, machine vision, laser sensors, in use with all common hydraulic oils, refrigerants, pharmaceutical processing equipment, paper & pulp plants, marine exterior, oil wells, feedwater heaters. Resists most oxidizing acids and salt sprays.

AISI 316 Stainless Steel housing has a finish of 32 RMS providing smooth surfaces reducing residues or particle contaminants. Quartz window is sealed into the housing with non-outgassing quartz-filled bond forming a single-piece part. This sight glass has a long working life under severe temperature swings and prolonged exposures to UV light.

Required port to Standard: DIN ISO 6149-1. Male stud of the fitting conforms to: ISO 6149-2/3 for use with O-ring ISO M18.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
9.50 mm M18 x 1.5 210 bar 70 C AISI 316 Quartz 100488 266A1000 $248.36 each
11.60 mm M20 x 1.5 210 bar 65 C AISI 316 Quartz 100491 266A1001 $266.04 each
16.30 mm M27 x 2 210 bar 55 C AISI 316 Quartz 100497 266A1003 RFQ
21.80 mm M33 x 2 210 bar 50 C AISI 316 Quartz 100500 266A1004 RFQ
30.00 mm M42 x 2 210 bar 45 C AISI 316 Quartz 100503 266A1005 $530.00 each
35.10 mm M48 x 2 210 bar 40 C AISI 316 Quartz 100506 266A1006 RFQ
45.70 mm M60 x 2 200 bar 35 C AISI 316 Quartz 100509 266A1007 $701.42 each

Metaglas, Herberts Industrieglas GmbH & Co. KG

M-Threaded Sight Glass, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing

M-Threaded Sight Glass, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing
Sight windows with straight metric threads sealing with an O-ring. Female connection port conforming to DIN 3852 Type F.

For visual inspection, machine vision, optical sensors, in use with all common hydraulic oils, refrigeration, water heaters, and compressed air applications.

Fusing glass to metal creates a hermetically sealed single-piece part. The advantage of this construction is high strength of the glass, which ensures safety of operation, even during cycling operating temperatures common with equipment starts and stops. The part is easy to install, and has a long working life without maintenance.
Aperture Dia Thread Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
10.00 mm M18 x 1.5 50 bar 280 C 2205 Duplex Borosilicate Met 61-M18 x 1.5S 702M18 $195.03 each
10.00 mm M18 x 1.5 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M18 x 1.5H 703M18 $398.80 each
12.50 mm M20 x 1.5 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M20 x 1.5H 703M20 $459.75 each
16.50 mm 26 x 1.5 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M26 x 1.5H 703M26 $515.80 each
16.50 mm M27 x 2 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M27 x 2H 703M27 $538.98 each
22.00 mm M33 x 2 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M33 x 2H 703M33 $575.90 each
24.00 mm M42 x 2 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M42 x 2H 703M42 $649.47 each
26.00 mm M48 x 2 50 bar 300 C Hastelloy C-22 Borosilicate Met 61- M48 x 2H 703M48 $698.54 each
34.00 mm M60 x 2 50 bar 300 C Hastelloy C-22 Borosilicate Met 61-M60 x 2H 703M60 $757.41 each
12.50 mm M20 x 1.5 50 bar 280 C 2205 Duplex Borosilicate Met 61-M20 x 1.5S 702M20 $223.70 each
16.50 mm M26 x 1.5 50 bar 280 C 2205 Duplex Borosilicate Met 61-M26 x 1.5S 702M26 $275.80 each
16.50 mm M27 x 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-M27 x 2S 702M27 $314.65 each
22.00 mm M33 x 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-M33 x 2S 702M33 $356.40 each
24.00 mm M42 x 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-M42 x 2S 702M42 $394.70 each
26.00 mm M48 x 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-M48 x 2S 702M48 $418.25 each
34.00 mm M60 x 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-M60 x 2S 702M60 $456.75 each
44.00 mm M78 x 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-M78 x 2S 702M78 $498.20 each
44.00 mm M78 x 2 50 bar 300 C Hastelloy C-22 Borosilicate Met 61- M78 x 2H 703M78 $795.80 each

Encole

SAE Straight Thread Sight Glasses, Quartz Window, 316 Stainless Steel Housings

SAE Straight Thread Sight Glasses, Quartz Window, 316 Stainless Steel Housings
Sight windows with SAE straight threads for sealing with an O-ring. For visual inspection, machine vision, laser sensors, in use with all common hydraulic oils, refrigerants, pharmaceutical processing equipment, paper & pulp plants, marine exterior, oil wells, feedwater heaters. Resists most oxidizing acids and salt sprays.

AISI 316 Stainless Steel housing has a finish of 32 RMS providing smooth surfaces reducing residues or particle contaminants. Quartz window is sealed into the housing with non-outgassing quartz-filled bond forming a single-piece part. This sight glass has a long working life under severe temperature swings and prolonged exposures to UV light.

Required Port to ISO 11926-1 (SAE J1926-1). Male Stud conforms to: MS16142 for use with O-ring Parker Size 3-916 (AS568A-916). The O-ring is sold separately.
SAE-Dash Size Thread Aperture Dia Max Operating Temp Max Operating Pressure Housing Material Window Material Mfg P/N Encole P/N Price
SAE-8 Boss Thread 3/4-16 0.380 inch 210 bar 70 C AISI 316 Quartz 100528 268A1000 $348.36 each
SAE-10 Boss Thread 7/8-14 0.460 inch 210 bar 65 C AISI 316 Quartz 100530 268A1001 $366.04 each
SAE-12 Boss Thread 1-1/16-12 0.640 inch 210 bar 60 C AISI 316 Quartz 100532 268A1002 $427.35 each
SAE-16 Boss Thread 1-5/16-12 0.860 inch 210 bar 50 C AISI 316 Quartz 100534 268A1003 $464.68 each
SAE-20 Boss Thread 1-5/8-12 1.180 inch 210 bar 45 C AISI 316 Quartz 100536 268A1004 RFQ
SAE-24 Boss Thread 1-7/8-12 1.380 inch 210 bar 40 C AISI 316 Quartz 100538 268A1005 RFQ
SAE-32 Boss Thread 2-1/2-12 1.800 inch 200 bar 35 C AISI 316 Quartz 100540 268A1006 RFQ

L.J. Star, Inc

Obround Weld Pad Gauge Sight Glasses

Obround Weld Pad Gauge Sight Glasses
Obround sight glasses designed for visual inspection of levels inside a tank or a pipeline. The sight glass base flange is a weld pad designed to be welded directly to the pressure vessel. The glass is sandwiched between a sealing gasket and a cushion gasket held in place with a clamping flange. The cushion gasket is made from a material harder than the sealing gasket to insure proper compression. Glass is clear, made from tempered borosilicate. These windows are suitable for the ASME pressure code requirements.
Length width Housing Material Window Material Mfg P/N Encole P/N Price
10.000 inch 5.000 inch AISI 304L Borosilicate OBWP2-6-T304L-BORO-T304-EPDM-T304-T304 1395A0001 $2465.00 each
10.000 inch 5.000 inch AISI 316L Borosilicate OBWP2-6-T316L-BORO-T304-EPDM-T304-T304 1395A0002 $2465.00 each
10.000 inch 5.000 inch SA516-70 Borosilicate OBWP2-6-SA516-BORO-T304-EPDM-T304-T304 1395A0003 $2065.00 each
0.000 inch 5.000 inch SA240 Borosilicate OBWP2-6-SA240-BORO-T304-EPDM-T304-T304 1395A0004 $2065.00 each
16.000 inch 5.000 inch AISI 304L Borosilicate OBWP2-12-T304L-BORO-T304-EPDM-T304-T304 1395A0005 $3639.00 each
16.000 inch 5.000 inch AISI 316L Borosilicate OBWP2-12-T316L-BORO-T304-EPDM-T304-T304 1395A0006 $3639.00 each
16.000 inch 5.000 inch SA516-70 Borosilicate OBWP2-12-SA516-BORO-T304-EPDM-T304-T304 1395A0007 $2874.00 each
16.000 inch 5.000 inch SA240 Borosilicate OBWP2-12-SA240-BORO-T304-EPDM-T304-T304 1395A0008 $2874.00 each
22.000 inch 5.000 inch AISI 304L Borosilicate OBWP2-18-T304L-BORO-T304-EPDM-T304-T304 1395A0009 $4095.00 each
22.000 inch 5.000 inch AISI 316L Borosilicate OBWP2-18-T316L-BORO-T304-EPDM-T304-T304 1395A0010 $4095.00 each
22.000 inch 5.000 inch SA516-70 Borosilicate OBWP2-18-SA516-BORO-T304-EPDM-T304-T304 1395A0011 $4095.00 each
22.000 inch 5.000 inch SA240 Borosilicate OBWP2-18-SA240-BORO-T304-EPDM-T304-T304 1395A0012 $4095.00 each
28.000 inch 5.000 inch AISI304L Borosilicate OBWP2-24-T304L-BORO-T304-EPDM-T304-T304 1395A0013 $5937.00 each
28.000 inch 5.000 inch AISI316L Borosilicate OBWP2-24-T316L-BORO-T304-EPDM-T304-T304 1395A0014 $5937.00 each
28.000 inch 5.000 inch SA516-70 Borosilicate OBWP2-24-SA516-BORO-T304-EPDM-T304-T304 1395A0015 $4580.00 each
28.000 inch 5.000 inch SA240 Borosilicate OBWP2-24-SA240-BORO-T304-EPDM-T304-T304 1395A0016 $4580.00 each
11.000 inch 6.000 inch AISI 304L Borosilicate OBWP3-6-T304L-BORO-T304-EPDM-T304-T304 1395A0017 $3030.00 each
11.000 inch 6.000 inch AISI 316L Borosilicate OBWP3-6-T316L-BORO-T304-EPDM-T304-T304 1395A0018 $3030.00 each
11.000 inch 6.000 inch SA516-70 Borosilicate OBWP3-6-SA516-BORO-T304-EPDM-T304-T304 1395A0019 $2699.00 each
11.000 inch 6.000 inch SA240 Borosilicate OBWP3-6-SA240-BORO-T304-EPDM-T304-T304 1395A0020 $2699.00 each
17.000 inch 6.000 inch AISI 304L Borosilicate OBWP3-12-T304L-BORO-T304-EPDM-T304-T304 1395A0021 $4305.00 each
17.000 inch 6.000 inch AISI 316L Borosilicate OBWP3-12-T316L-BORO-T304-EPDM-T304-T304 1395A0022 $4305.00 each
17.000 inch 6.000 inch SA516-70 Borosilicate OBWP3-12-SA516-BORO-T304-EPDM-T304-T304 1395A0023 $3503.00 each
17.000 inch 6.000 inch SA240 Borosilicate OBWP3-12-SA240-BORO-T304-EPDM-T304-T304 1395A0024 $3503.00 each
23.000 inch 6.000 inch AISI 304L Borosilicate OBWP3-18-T304L-BORO-T304-EPDM-T304-T304 1395A0025 $6177.00 each
23.000 inch 6.000 inch AISI 316L Borosilicate OBWP3-18-T316L-BORO-T304-EPDM-T304-T304 1395A0026 $6177.00 each
23.000 inch 6.000 inch SA516-70 Borosilicate OBWP3-18-SA516-BORO-T304-EPDM-T304-T304 1395A0027 $4784.00 each
23.000 inch 6.000 inch SA240 Borosilicate OBWP3-18-SA240-BORO-T304-EPDM-T304-T304 1395A0028 $4784.00 each
29.000 inch 6.000 inch AISI 304L Borosilicate OBWP3-24-T304L-BORO-T304-EPDM-T304-T304 1395A0029 $7459.00 each
29.000 inch 6.000 inch AISI 316L Borosilicate OBWP3-24-T316L-BORO-T304-EPDM-T304-T304 1395A0030 $7459.00 each
29.000 inch 6.000 inch SA516-70 Borosilicate OBWP3-24-SA516-BORO-T304-EPDM-T304-T304 1395A0031 $5507.00 each
29.000 inch 6.000 inch SA240 Borosilicate OBWP3-24-SA240-BORO-T304-EPDM-T304-T304 1395A0032 $5507.00 each
11.000 inch 7.000 inch AISI 304L Borosilicate OBWP4-6-T304L-BORO-T304-EPDM-T304-T304 1395A0033 $3611.00 each
11.000 inch 7.000 inch AISI 316L Borosilicate OBWP4-6-T316L-BORO-T304-EPDM-T304-T304 1395A0034 $3611.00 each
11.000 inch 7.000 inch SA516-70 Borosilicate OBWP4-6-SA516-BORO-T304-EPDM-T304-T304 1395A0035 $2791.00 each
11.000 inch 7.000 inch SA240 Borosilicate OBWP4-6-SA240-BORO-T304-EPDM-T304-T304 1395A0036 $2791.00 each
17.000 inch 7.000 inch AISI 304L Borosilicate OBWP4-12-T304L-BORO-T304-EPDM-T304-T304 1395A0037 $5011.00 each
17.000 inch 7.000 inch AISI 316L Borosilicate OBWP4-12-T316L-BORO-T304-EPDM-T304-T304 1395A0038 $5011.00 each
17.000 inch 7.000 inch SA516-70 Borosilicate OBWP4-12-SA516-BORO-T304-EPDM-T304-T304 1395A0039 $4042.00 each
17.000 inch 7.000 inch SA240 Borosilicate OBWP4-12-SA240-BORO-T304-EPDM-T304-T304 1395A0040 $4042.00 each
23.000 inch 7.000 inch AISI 304L Borosilicate OBWP4-18-T304L-BORO-T304-EPDM-T304-T304 1395A0041 $7226.00 each
23.000 inch 7.000 inch AISI 316L Borosilicate OBWP4-18-T316L-BORO-T304-EPDM-T304-T304 1395A0042 $7226.00 each
23.000 inch 7.000 inch SA516-70 Borosilicate OBWP4-18-SA516-BORO-T304-EPDM-T304-T304 1395A0043 $5496.00 each
23.000 inch 7.000 inch SA240 Borosilicate OBWP4-18-SA240-BORO-T304-EPDM-T304-T304 1395A0044 $5496.00 each
29.000 inch 7.000 inch AISI 304L Borosilicate OBWP4-24-T304L-BORO-T304-EPDM-T304-T304 1395A0045 $9651.00 each
29.000 inch 7.000 inch AISI 316L Borosilicate OBWP4-24-T316L-BORO-T304-EPDM-T304-T304 1395A0046 $9651.00 each
29.000 inch 7.000 inch SA516-70 Borosilicate OBWP4-24-SA516-BORO-T304-EPDM-T304-T304 1395A0047 $7298.00 each
29.000 inch 7.000 inch SA240 Borosilicate OBWP4-24-SA240-BORO-T304-EPDM-T304-T304 1395A0048 $7298.00 each

Papenmeier - F. H. / Lumiglas

Rectangular Sightglass Fittings in Carbon Steel

Rectangular Sightglass Fittings in Carbon Steel
Carbon steel base flange is welded onto the vessel wall. The glass is sandwiched between gaskets on both sides and is held in place with a cover flange, bolted to the base flange. For use as a fluid level visual indicator inside silos, pressure tanks, and internals of pipelines.
Length width Housing Material Window Material Mfg P/N Encole P/N Price
250.00 mm 70.00 mm RSt 37-2 Soda lime RSF1-8-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0001 $443.00 each
250.00 mm 70.00 mm RSt 37-2 Borosilicate RSF1-8-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0002 $451.00 each
300.00 mm 70.00 mm RSt 37-2 Soda lime RSF1-10-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0003 $525.00 each
300.00 mm 70.00 mm RSt 37-2 Borosilicate RSF1-10-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0004 $533.00 each
350.00 mm 70.00 mm RSt 37-2 Soda lime RSF1-12-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0005 $610.00 each
350.00 mm 70.00 mm RSt 37-2 Borosilicate RSF1-12-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0006 $618.00 each
400.00 mm 70.00 mm RSt 37-2 Soda lime RSF1-14-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0007 $703.00 each
400.00 mm 70.00 mm RSt 37-2 Borosilicate RSF1-14-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0008 $711.00 each
500.00 mm 70.00 mm RSt 37-2 Soda lime RSF2-18-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0009 $900.00 each
500.00 mm 70.00 mm RSt 37-2 Borosilicate RSF2-18-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0010 $908.00 each
600.00 mm 70.00 mm RSt 37-2 Soda lime RSF2-22-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0011 $1069.00 each
600.00 mm 70.00 mm RSt 37-2 Borosilicate RSF2-22-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0012 $1077.00 each
700.00 mm 70.00 mm RSt 37-2 Soda lime RSF2-26-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0013 $1247.00 each
700.00 mm 70.00 mm RSt 37-2 Borosilicate RSF2-26-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0014 $1255.00 each
800.00 mm 70.00 mm RSt 37-2 Soda lime RSF2-30-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0015 $1350.00 each
800.00 mm 70.00 mm RSt 37-2 Borosilicate RSF2-30-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0016 $1358.00 each
1000.00 mm 70.00 mm RSt 37-2 Soda lime RSF4-38-BASE-RST-SODA-Rfx-KLG-FLG-RST 1405A0017 $2006.00 each
1000.00 mm 70.00 mm RSt 37-2 Borosilicate RSF4-38-BASE-RST-BORO-Rfx-KLG-FLG-RST 1405A0018 $2014.00 each

Metaglas, Herberts Industrieglas GmbH & Co. KG

BSPP-Threaded Sight Glass, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing

BSPP-Threaded Sight Glass, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing
Sight windows with Whitworth threads sealing with an O-ring. Female connection port conforming to DIN 3852 Type F. The thread form follows the British Standard Whitworth standard. The thread is cylindrical (as opposed to conical BSPT), has a 55° tooth angle, with roots and crests rounded.

Designed for visual inspection, machine vision, optical sensors, in use with all common hydraulic oils, refrigeration, water heaters, and compressed air applications.
Aperture Dia Thread Max Operating Pressure Max Operating Temp Housing Material Window Material Mfg P/N Encole P/N Price
23.00 mm G 3/8 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-038S 705S06 $185.52 each
10.00 mm G 3/8 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-038H 706S06 $406.78 each
12.50 mm G 1/2 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-05S 705S07 $203.98 each
16.50 mm G 3/4 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-075S 705S09 $218.75 each
22.00 mm G 1 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-100S 705S11 $231.55 each
24.00 mm G 1-1/4 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-125S 705S12 $273.60 each
26.00 mm G 1-1/2 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-150S 705S13 $284.00 each
34.00 mm G 2 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-200S 705S14 $363.20 each
44.00 mm G 2-1/2 50 bar 280 C 2205 Duplex Borosilicate Met 61-G-250S 705S15 $392.95 each
12.50 mm G 1/2 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-05H 706S07 $468.95 each
16.50 mm G 3/4 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-075H 706S09 $526.12 each
22.00 mm G 1 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-100H 706S11 $549.73 each
24.00 mm G 1-1/4 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-125H 706S12 $587.42 each
26.00 mm G 1-1/2 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-150H 706S13 $662.49 each
34.00 mm G 2 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-200H 706S14 $712.88 each
44.00 mm G 2-1/2 50 bar 300 C Hastelloy C-276 Borosilicate Met 61-G-250H 706S15 $772.55 each

Metaglas, Herberts Industrieglas GmbH & Co. KG

ConFlat, CF Sight Glasses, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing

ConFlat, CF Sight Glasses, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing
CF flanged sight windows for ultra high vacuum applications and sanitary processing equipment. Suitable configuration for DUV lithography and UV inspection in semiconductor applications, food, and pharmaceutical industries. Designed for use with standard metal gaskets to ISO 3699 connections.

Fusing glass to metal creates a hermetically sealed single-piece part. The advantage of this construction is high strength of the glass, which ensures safety of operation, even during cycling operating temperatures common with equipment starts and stops. The part is easy to install, and has a long working life without maintenance.
Nominal Pipe Size Aperture Dia Housing Material Window Material Max Operating Temp Mfg.P/N Encole P/N Price
1-1/3(DN16) 18.00 mm 2205 Duplex Borosilicate 280 C Met 19CF-S-DN16 909N03 $339.67 each
1-1/3(DN16) 18.00 mm HastelloyC-22 Borosilicate 300 C Met 19CF-H-DN16 910N03 $1875.36 each
2-3/4(DN40) 35.00 mm 2205 Duplex Borosilicate 280 C Met 19CF-S-DN40 909N06 $379.45 each
4-1/2(DN63) 60.00 mm 2205 Duplex Borosilicate 280 C Met 19CF-S-DN63 909N08 $1215.15 each
6(DN100) 70.00 mm 2205 Duplex Borosilicate 280 C Met 19CF-S-DN100 909N10 $1449.67 each
8(DN160) 90.00 mm 2205 Duplex Borosilicate 280 C Met 19CF-S-DN160 909N12 $1803.28 each
10(DN200) 120.00 mm 2205 Duplex Borosilicate 280 C Met 19CF-S-DN200 909N13 $2174.39 each
2-3/4(DN40) 35.00 mm Hastelloy C-22 Borosilicate 300 C Met 19CF-H-DN40 910N06 $2142.75 each
4-1/2(DN63) 60.00 mm Hastelloy C-22 Borosilicate 300 C Met 19CF-H-DN63 910N08 $2468.88 each
6(DN100) 70.00 mm Hastelloy C-22 Borosilicate 300 C Met 19CF-H-DN100 910N10 $2793.64 each
8(DN160) 90.00 mm Hastelloy C-22 Borosilicate 300 C Met 19CF-H-DN160 910N12 $3165.79 each
10(DN200) 120.00 mm Hastelloy C-22 Borosilicate 300 C Met 19CF-H-DN200 910N13 $4287.55 each

L.J. Star, Inc

Bolt-On Sight Windows ASME B16.5 Raised Face (RF)

Bolt-On Sight Windows ASME B16.5 Raised Face (RF)
These bolt-on sight windows fit a standard ASME B16.5 Class 150 flange, RF (Raised Face) type. The base flange mounts to the mating flange using traditional installation methods with mounting bolts. The base flange is sealed to the customer vessel with a gasket. The glass window is sandwiched between the sealing gasket and a cushion gasket protecting the window from vibration. The flange retainer is held by cap screws to the base flange.
Nominal Pipe Size Aperture Dia Mfg.P/N Encole P/N Price
2 6.000 inch BO02AA1L1ANN+N 1396A0001 $1157.00 each
3 7.500 inch BO03AA1L1ANN+N 1396A0002 $1345.00 each
4 9.000 inch BO04AA1L1ANN+N 1396A0003 $1454.00 each
6 11.000 inch BO06AA1L1ANN+N 1396A0004 $1724.00 each
8 13.500 inch BO08AA1L1ANN+N 1396A0005 $1976.00 each