1,Size: 1/4-1/2 2,Matel:SS316 3,OEM : Half Knurling Machine Parts Welding DN15 mini ball valve OEM Machine Parts Welding mini ball valve ... Oil,Gas, steam, oil products, nitric acid, acetic acidPort Size: 1/2” Place of Origin: Cangzhou China (Mainland) Model Number: ZZ ... Valve: Competitive Price Material: Stainless Steel Type: Ball Valve Machine Parts Welding mini ball valve OEM (stainless steel 316)