Connection end: RF,RTJ,BW
Material:Low-temperature carbon steel,Stainless steel
Design&manufacture according to API 600/ BS 6364
Face-to-face according to ASME B16.10/API 6D
End connection according to ASME B16.5/ASME B16.47/ASME B16.25
Test&inspection according to API 598/API 6D
Optional standards: NACE MR-0175/ NACE MR-0103/ISO 15848/API 624
Features and benefits
1.Min design temperature: －196℃.
2.Extended bonnet to keep stem packing at sufficient distance away from the cold fluid to remain functional.
3.Extended bonnet as per MESC SPE 77/200 & SPE 77/209/as per customers requirements.
4.The main pressure containing components are treated with liquid nitrogen to stabilize dimensions and eliminate the stress caused by metal microstructure changes.
5.Low emission packing.