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

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

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