... TUV certified) Feature: Union joints are easily assembled or disassembled the lines and systems for maintenance and cleaning ... AISI316, AISI316L Sealing ring: Silicon gel, EPDM, FPM or VITON Surface treatment: Mirror polishing(180G, 240G, 400G), ... Welded, threaded, clamped, flanged, union-type available Operation: Manual (pneumatic or electric actuator available) Application: Dairy, Water, Food, Beer, ...