PrintPVC Check Valve Our union-style check valve is easy to disassemble and clean, and threaded for easy installation. Specs/Part #s Approx. Wt. Lbs. Length in Inches Size in Inches Working Pressure Model Number 1.08 6 5/8 1.5 150 @ 73ºF CV150 1.32 7 1/8 2 CV200 3.51 10 3 CV300