... /2"~ 2" CASSS: 150LB-2500LB End: BW/SW/RF/RTJ Manual/Electric/Conical gear/Pneumatic Knife gate valve(Gate valve/Solid gate ... : 1/2"~ 2"CASSS: 150LB-2500LBEnd: BW/SW/RF/RTJManual/Electric/Conical gear/PneumaticDesign & manufacture standard: API6D,API600,API603,ISO10434Face to ... ,F316,F316L,B473,F50,F44,LF2.LF3 etc.Driving styles: manual/electric/conical gear/pneumatic,etc