- Sight Glass•
- NPT Sights for H2S Service - 5 items
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.
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||$2133.00each|
|1.160 inch||NPT 1-1/2"||Hastelloy C-276||190 bar||426 C||Sapphire||100736||325A1001||$2511.00each|
|1.660 inch||NPT 2"||Hastelloy C-276||190 bar||426 C||Sapphire||100737||325A1002||$2889.00each|
|2.000 inch||NPT 2-1/2"||Hastelloy C-276||135 bar||426 C||Sapphire||100738||325A1003||$3393.00each|
|2.420 inch||NPT 3"||Hastelloy C-276||135 bar||426 C||Sapphire||100739||325A1004||$3789.00each|