1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 inch non-return valve pump check valve (3/4 inch)

Item: All-copper vertical spring-loaded check valve, stainless steel filter with bottom valve Size: 3/4 inch, 16 kg pressure, 1.6 MPa Check valve function: Prevents backflow of water, gas, and oil. Note: During installation, please ensure the pipe is clean to prevent impurities from blocking the valve and causing malfunction.