... drain with stable performance, and low air leakage 2.Automatic cold air exhaust mechanism without air lock 3.api ce With GS,CE ... and other industrialequipment.Actuators• Hand wheel• Bevel gear• Air cylinders• Hydraulic cylinders• Other actuators available valve typeSteam trapas ... JISB2003),API6D,BS6755,ISO5208Type Of OperationGear,Electric,Pneumatic,Manual-Air-HydraulicDN(NPS)1/2"~2"PN(LB)Class ...