1/2", 3/4", 1", 2 inch non-return strainer valve, non-return valve for pump (1 inch)

Item: All-copper vertical spring-loaded check valve, stainless steel filter with bottom valve. Size: 1 inch, 16 kg pressure, 1.6 MPa. Check valve function: prevents the 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.