Image Spring-Loaded Check Valve Jump to Section Product Options Related Products Product Options Part Number Size Female Thread Material CV050 1/2" NPT Brass CV075 3/4" NPT Brass CV100 1" NPT Brass CV125 1-1/4" NPT Brass CV150 1-1/2" NPT Brass CV200 2" NPT Brass CV300 3" NPT Brass CV400 4" NPT Brass Related Products Image 800 PSI Stainless Steel Check Valve Image Ball Cone Check Valve Female NPT x Female NPT Image Ball Cone Check Valve Male NPT x Female NPT Image Domestic Swing Check Valve Image Round Hole Strainer Image Series-C Check Valve Image Strainer with Spring-Loaded Check Valve