1,Size: 1/4-1/2 2,Matel:SS316 3,OEM : Half Knurling Machine Parts Welding DN15 ... ,GB,DINStructure: Ball Pressure: Low Pressure,150#Power: Hydraulic, Pneumatic, Manual, Solenoid, Electric, Gear, Hand OperatedMaterial: SS316 Temperature of Media: High ... , Oil,Gas, steam, oil products, nitric acid, acetic acidPort Size: 1/2” Place of Origin: Cangzhou China (Mainland) Model Number: ZZ Brand ...