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NPT Sights for H2S Service
NPT-threaded sight glasses specifically designed for hydrogen sulfide, H2S sour refinery process. These sight windows are designed for continuous operation up to 800 F and 3000 psi in the H2S environment. Connections are standard NPT male fittings. A sapphire window is sealed into the housing with an all-metal seal. This sight glass has a long working life under severe temperature swings.
Encole
NPT-Threaded Sapphire Sight Glasses 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. A sapphire window is sealed into the housing with an all-metal seal.
| Aperture Dia. | Thread | Max Operating Pressure | Housing Material | Max Operating Temp. | Window Material | Mfg P/N | Encole P/N | Price | |
|---|---|---|---|---|---|---|---|---|---|
| 0.77 inch | NPT 1 | 210 bar | Alloy 718 | 490 C | Sapphire | 100735 | 771E501 | $ 4867.00 per package of 2 | |
| 1.16 inch | NPT 1-1/2 | 190 bar | Alloy 718 | 490 C | Sapphire | 100736 | 771E502 | $ 5157.00 per package of 2 | |
| 1.66 inch | NPT 2 | 190 bar | Alloy 718 | 490 C | Sapphire | 100737 | 771E503 | $ 5962.00 per package of 2 | |
| 2.00 inch | NPT 2-1/2 | 135 bar | Alloy 718 | 490 C | Sapphire | 100738 | 771E504 | $ 6984.00 per package of 2 | |
| 2.42 inch | NPT 3 | 135 bar | Alloy 718 | 490 C | Sapphire | 100739 | 771E505 | $ 7952.00 per package of 2 |
