... Welded and Clamp 1. Material: Stainless Steel 2. Check Valves:Welded and Clamp About usKaysuns Industry Ltd.(Wenzhou Kaize ... , etc.), special austenite stainless 310H, 347H, 317L, ... SpecificationStainless Steel Sanitary Check Valves Welded and Clamp Part contacted with media: AISI 304 ...