Image Series-C Check Valve Jump to Section Product Options Related Products Product Options Part Number Thread Size Female Thread Material SCV200 1/8" NPTF Steel SCV400 1/4" NPTF Steel SCV600 3/8" NPTF Steel SCV800 1/2" NPTF Steel Related Products Image Ball Cone Check Valve Female NPT x Female NPT Image Safety Check Valve Image Series-F Flow Control Valve Image Spring-Loaded Check Valve