Stainless Steel Sanitary Check Valves Welded and Clamp 1. Material: Stainless Steel 2. ... , flanges, valves and stud bolts, etc. in China. Starting the business in 2007, we have devoted to providing the best solutions ... ,S32760, etc.), special austenite stainless 310H, 347H, 317L, ... SpecificationStainless Steel Sanitary Check Valves Welded and Clamp Part contacted with media: AISI ...