check valve – Page 3 – ENTERVALVE CO., LTD. || บริษัท เอนเทอร์วาล์ว จำกัด AUTOMA, AYVAZ, VYC, PROSAVE, ZUBI, YOOYOUN, GM, MAXIFLOW, SAUTER, ALCON VALVE, Entervalve has been established since 2013 with 1 million baht registered by people who are professional about industrial process valves. Entervalve supplies high quality products which toughest flow control problems can be solved for various industries.Our product ranges comprising of butterfly valve, gate/globe/check valve, plug valve, air valves, pinch valves, knife gate valve, tank bottom valve, control valve, valve actuator, safety valve, electric actuator, explosion vent panels, expansion joints, pressure sensors, process equipment, flanges and pipe products