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

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Brand: Campbell
Part #: 4033E
UPC: 088409330287
SKU
510-G3259462
Regular Price $219.09 Special Price $156.49

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

The Campbell 1-1/2in FNPT Lead Free Brass Spring Check Valve is a reliable and efficient solution for various industrial and commercial applications. Its inline spring design allows for smooth flow and easy installation, while its lead-free brass construction ensures compliance with environmental regulations. Suitable for use in water and steam systems, this valve features a cracking pressure of 0.5 psi and can withstand pressures up to 400 psi. Its horizontal and vertical mounting options make it versatile for use in a range of settings, including plumbing, HVAC, and industrial process control systems.

Top product features:

  • 1-1/2in FNPT Lead Free Brass Spring Check Valve has a single flow design allowing for inline installation.
  • The valve features a spring-loaded mechanism that provides a consistent cracking pressure of 0.5 psi.
  • The valve's body and seat are made of durable brass and bronze materials, respectively, for long-lasting performance.

Top product applications:

  • Water Treatment Systems
  • Steam Traps
  • Hydraulic Systems

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

Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 5.50
  • Package Width: 2.50
  • Package Height: 2.50
  • Package Weight: 2.50
Product info last updated on February 26, 2026 12:52pm UTC Category: Pipes, Valves and Fittings
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In stock