Forged hydrogenation (sulfur resistant) self-sealing check v
product description
Type：forge，pressure seal bonnet
Nominal Size NPS：2"~20"
Pressure Grade Class：600~2500
Working Temperature：-29℃~500℃
Body Material： Carbon steel, Alloy steel,Stainless steel, Duplex stainless steel, Nickel alloy, etc
Design standard： NACE MR0175, BS1868,ASME B16.34, API602,JB/T11484
Type of connection： BW,RF,RTJ
Operating：auto
Applicable medium：H2，H2S, etc
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