1-1/4" NPT Brass Spring Check Valve MPN:100003-1-1/4"

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Brand: BONOMI
Part #: 100003-1-1/4"
SKU
510-G2011287
$89.58 for Order Qty of 2
Regular Price $62.71 Special Price $44.79

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1-1/4" NPT Brass Spring Check Valve

The BONOMI 1-1/4in NPT Brass Spring Check Valve is a reliable and efficient solution for various applications. Suitable for use in horizontal or vertical orientations, this valve ensures one-way flow and prevents backflow, making it ideal for water supply lines, steam systems, and industrial processes. The valve's brass body and stainless steel spring provide durability and resistance to corrosion, while the Viton seat ensures a tight seal. With a maximum temperature of 352°F and a maximum water pressure of 400 psi, this valve is designed to withstand demanding environments, making it a valuable addition to any plumbing or industrial system.

Top product features:

  • Inline spring mechanism allows for easy installation and maintenance
  • Viton seat material provides resistance to corrosion and chemical damage
  • Stainless steel spring material ensures durability and resistance to wear and tear

Top product applications:

  • Water Treatment Systems
  • Steam Traps
  • Piping Systems for Industrial Processes
  • BONOMI 100003-1-1/4 is a 1-1/4 in. inline spring check valve with FNPT x FNPT connections and a brass body. It is intended for flow-control applications in piping systems specified for gas, oil, steam, and water use. The valve is configured for one-direction flow applications with a check mechanism for reverse-flow resistance. It uses a poppet check mechanism with a 0.5 psi cracking pressure and supports horizontal or vertical mounting.

    Key Features:

    • Brass body construction with PPS check mechanism
    • 1-1/4 in. female NPT connections on both ends
    • Inline spring, single-flow, 2-way valve design
    • Full-flow configuration
    • Flow capacity: 23.35 gpm
    • Cv: 34.3
    • Pressure ratings: 400 psi maximum operating/water pressure
    • 125 psi maximum steam pressure
    • 125 psi WSP
    • Temperature range: 0 degrees F to 352 degrees F
    • operating temperature range: -4 degrees F to 366 degrees F
    • Seat and seal materials: FKM / Viton
    • Spring material: 302 stainless steel
    • Overall length: 3.13 in.
    • overall height: 2 13/32 in.
    • hex size: 1 7/8 in.
    • 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: 3.00
  • Package Height: 3.60
  • Package Weight: 1.20
Product info last updated on March 5, 2026 5:49am UTC Category: Pipes, Valves and Fittings
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