Campbell 1-1-2" FNPT Lead Free Brass Spring Check Valve 4033E

The CAMPBELL 4033E is a 1-1/2 in spring check valve with an inline body and FNPT x FNPT connections. It uses a spring-loaded poppet to allow flow in one direction and close when flow stops or reverses and is intended to reduce reverse flow in general-purpose water systems. The lead-free brass body, bronze seat, and Buna-N/Nitrile sealing materials are rated for water service up to 400 psi and 180 Degrees F. Key Features: 1-1/2 in nominal valve size with 1-1/2 in female NPT connections on both ends Inline spring design with poppet check mechanism Lead-free brass body with 302 stainless steel spring and check mechanism material For water service Cracking pressure: 0.5 psi Flow rate: 25 gpm Cv: 20 Maximum pressure: 400 psi Operating temperature range: 35 Degrees F to 180 Degrees F Mounting orientation: horizontal or vertical Seat material: bronze Seal material: Buna-N/Nitrile NSF 61 ANSI B1.20.1 Overall size: 4 in L x 2-1/2 in H x 2-1/2 in W