On the basis of Spanish ROSS Valve Company and the American Red Valve Company's summary, model and revolutionary re-engineering, we devote to improve the function the rubber discharge check valve (duckbill shape flexible check valve) continuously, to enhance the performance, making this valve's intensity, toughness, the leak-proof quality to be enhanced greatly.
This valve does not have any activity module, and is exempted from any service. This valve is available for the elevating pipe, the flange pipe, the cement pipe, the glass Its main features: The rubber flange connects with the valve body to become one which makes gre Its main features: The rubber flange connects with the valve body to become one which makes great convenience of the installment.
Gongyi City Liangda Tubes Co., Ltd which is in China. We are specialized in pipe fittings including rubber joints (threaded union type and flanged type), steel expansion joint, duck bill check valves and flanges etc. With good quality and competitive price, and our company has passed ISO 9001: 2000 Certification.
