CAMPBELL 4031E 1" FNPT Lead Free Brass Spring Check Valve

CAMPBELL 4031E is a 1 in. inline spring check valve with FNPT x FNPT connections for water service applications compatible with the product specifications. It uses a spring-loaded poppet intended to allow one-way flow and close when flow stops or reverses, and is intended to reduce reverse flow in piping systems. The lead-free brass body, 0.5 psi cracking pressure, and horizontal or vertical mounting options allow installation in horizontal or vertical orientations.

Key Features:

• Valve type: Spring check valve with inline body style and single-flow design
• Size and connections: 1 in. female NPT inlet x 1 in. female NPT outlet
• Body material: Lead-free brass
• Check mechanism: Poppet with 302 stainless steel mechanism and 302 stainless steel spring
• Seal and seat materials: Buna-N/Nitrile seal with bronze seat
• Flow rating: 18 gpm with Cv of 15
• Cracking pressure: 0.5 psi
• Pressure and temperature ratings: 400 psi maximum pressure; 35 degrees F minimum operating temperature; 180 degrees F maximum operating temperature
• Mounting orientation: Horizontal or vertical
• Standards: NSF 61, ANSI B1.20.1
• Overall dimensions: 3.5 in. length x 1-3/4 in. height x 1-3/4 in. width

. This item has been restricted from sale in the following state(s): []