CouplingChina OEM/ ODM Ductile Iron Ggg50 Wras Gate Valve Rubber Wedge Flanged DIN/BS/Awwa Gate Valve DN50-DN1200 Pn10/Pn16 Factory Gate Valve Resilient Gate Valve, Find details about China Resilient Gate Valve, Gate Valve from OEM/ ODM Ductile Iron Ggg50 Wras Gate Valve Rubber Wedge Flanged DIN/BS/Awwa Gate Valve DN50-DN1200 Pn10/Pn16 Factory Gate Valve Resilient Gate Valve