The industrial UPVC CDV13 double union spring check valve, also known as a non-return valve is available to order here on our website in sizes between 1/2" (DN15) and 2" (DN50). All of these check valves are PN16 (16 bar) pressure rated at ambient temperatures with a full operating temperature range of 0 - 60°C.
All sizes of the CVD13 come with EPDM rubber seals and a spring type closing mechanism which prevents backflow, these check valves also come with plain ends which are designed for solvent welding in conjunction with our UPVC solvent cement.