Manufacture standard:API6D
Testing standard:API607
Material:ASTM A105,
ASTM A182 F304,ASTM A182 F304L,ASTM A182 F316,ASTM A182F316L
ASTM A350 LF1,ASTM A350 LF2,
ASTM A351 CF3,ASTM A351 CF3M,etc.
Function:Fire safe,anti-static.
Driving mothed:manual,worm gear,electronical,hydraulic,and so on.
Connnection:BW,FLAGNE(RF,RTJ,FF),Wafer,NPT,etc..