Installation Instructions: When installing the true union check valve, it must be installed vertically, installed in the direction of the arrow, and must be used in the upflow position. The valve flow direction arrow points to the flow direction. Do not install it upside down, so as to ensure normal operation
Ball Check Valve: There is a ball device inside the 1'' check valve, which can realize one-way flow and close to prevent backflow, which is the key to prevent backflow (there is no spring inside)
Durable Material: 1'' union check valve is made of high-quality PVC material, and the O-ring is made of EPDM material, which has the characteristics of low and high temperature resistance, impact resistance and not easy to rust, etc.
Easy Installation: With sliding swing full port design, this design makes the installation and removal process easier without even breaking the pipe connection. You can easily remove the check valve for cleaning or replacement, ensuring long-term efficient operation
Package and Service: You will receive 1 x 1'' Check Valve, if you have any questions about our products, please feel free to contact us, we will provide you with professional technical support
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