Specification: 1/2", larger size can be customized 
Materials: AISI304, AISI304L, AISI316, AISI316L 
Sealing ring: Silicon gel, EPDM, FPM or VITON 
Surface treatment: Mirror polishing(180G, 240G, 400G), inner surface mechanical polished Ra less than 0.4 - 0.8μm, outer surface glass polished Ra less than 0.8μm. 
Standard: DIN, SMS, ISO, IDF, RJT, AS, BS, BPE 
Connection: Welded, threaded, clamped, flanged, union-type available 
Operation: Manual (pneumatic or electric actuator available) 
Application: Dairy, Water, Food, Beer, Beverage, Pharmaceutical, Cosmetic and so on. 

We also supply butterfly valve, ball valve, check valve, diaphragm valve, safety valve, union parts, ferrule, end cap, nut, clamp, elbow, tee, cross, reducer, sight glass, manhole cover, cleaning ball, centrifugal pump, pipe holder etc...