... Material: Stainless Steel 2. Check Valves:Welded and Clamp About usKaysuns Industry Ltd.(Wenzhou Kaize Trading Co., Ltd ... , 317L, ... SpecificationStainless Steel Sanitary Check Valves Welded and Clamp Part contacted with media: AISI 304/316LOutside polish: CNC ... lathe machiningConnection ends: thread, clamp, welded.It can be applied in pharmaceuticals, water treatment, ...