1-1/2" NPT Brass Spring Check Valve MPN:100003-1-1/2"

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Brand: BONOMI
Part #: 100003-1-1/2"
SKU
510-G2011278
Regular Price $95.19 Special Price $67.99

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1-1/2" NPT Brass Spring Check Valve

The Bonomi 1-1/2in NPT Brass Spring Check Valve is a reliable and efficient solution for various industrial applications. Designed for horizontal or vertical mounting, this valve ensures one-way flow and prevents backflow, making it ideal for use in water treatment, HVAC, and chemical processing systems. The valve's stainless steel spring and Viton seat provide long-lasting durability and resistance to corrosion, while its brass body ensures excellent heat transfer and resistance to high temperatures. With a maximum temperature range of 352°F and a maximum pressure rating of 400 psi, this valve is suitable for a wide range of applications where high performance and reliability are critical.

Top product features:

  • 1-1/2in NPT Brass Spring Check Valve has a spring-loaded mechanism that prevents backflow when the main flow is shut off.
  • The valve has a cracking pressure of 0.5 psi, allowing for precise control over fluid flow.
  • The valve is designed for inline installation, allowing for easy integration into existing piping systems.

Top product applications:

  • Water Supply Systems
  • Steam Distribution Systems
  • Hydraulic Systems

BONOMI 100003-1-1/2 is a 1-1/2 in check valve with an inline spring check valve design and FNPT x FNPT connections. It is used in general-purpose flow control for one-way flow applications and reverse-flow reduction in systems handling gas, oil, steam, and water. The brass body and full-flow design provide a flow rating of 35.72 gpm with a 0.5 psi cracking pressure.

Key Features:

  • 1-1/2 in nominal valve and pipe size with female NPT connections on both ends
  • Brass body construction
  • Inline spring check valve design with single-flow path
  • For media: gas, oil, steam, and water
  • Flow rate: 35.72 gpm
  • Cv: 51.9
  • Cracking pressure: 0.5 psi
  • Maximum operating pressure: 400 psi
  • Maximum steam pressure: 125 psi WSP
  • Operating temperature range: 0 to 352 degrees F
  • Seat/seal material: FKM/Viton
  • Spring material: 302 stainless steel
  • Mounting orientation: horizontal or vertical
  • Dimensions: 3.31 in overall length, 2-7/8 in overall height, 2-7/8 in width
  • Standard: ANSI B1.20.1

Additional Information

  • Country of Origin: IT
  • 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: 3.00
  • Package Width: 3.10
  • Package Height: 3.60
  • Package Weight: 1.60
Product info last updated on March 14, 2026 7:44pm UTC Category: Pipes, Valves and Fittings
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