... Carbon Steel Taiwan Technic, more professional service! PRESSURE REDUCING VALVE PRESSURE:150LB-600LB SIZE:1''-12'' MATERIAL: Carbon ... homemade or imported electric/pneumatic valve positioner, pneumatic valve positioner, handwheel, valve position transmitter and air filtrated ... etc. according to customer's requirement.Others Valve designed on modular assembly principleLeakage-free pressure-balanced ...