It can work in sour environments with H2S, and its colour is often grass green.
hese products are all manufactured to API 6A(PSL3 and PSL4) and API16C.The heat-treatment process strictly conform to NACE-MR0175 and API RP-14E, and materials are in accordance with NACE,MR0175,ASTM and AISI.
All sealing parts are made of special buna-N which will not crack at-29℃, with extremely good performance against H2S and sealing performance and longer service life.
The 2" & 3" integral straight pipes, plug valves, integral connections and welded unions made by our company are in good condition in sour environments, and are highly appraised by customers.