Type: Air & Vacuum Release Valves, Air Valves & Vents, Automatic air valve Application: General Power: Automatic Structure: Pressure Reducing Customized support: OEM, ODM, OBM Place of Origin: Tianjin, China Warranty: 18 months Brand Name: TWS Model Number: P41X-10 Temperature of Media: Low Temperature, Medium Temperature, Normal Temperature Media: Gas Port Size: DN25-250 Product name: Air release valve Body material: cast iron Color: Customer's请求培养基:在...