Skip Content

Pressure Relief Valve,1 In,350 psi close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
How can we improve our Product Images?

Pressure Relief Valve, 1 In, 350 psi

Price $1,030.00 / each

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 3PZW4
  • Mfr. Model # 13717-0350
  • UNSPSC # 40141606
  • Catalog Page # 4051
  • Catalog Group # D4536
  • Shipping Weight 24.15 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemAdjustable Back Pressure Relief Valve
  • Body MaterialCast Iron
  • Inlet TypeFNPT
  • Outlet TypeFNPT
  • Inlet Size1"
  • Outlet Size1"
  • Factory Set Pressure350 psi
  • Pressure Range300 to 400 psi
  • Disc MaterialStainless Steel
  • Overall Height10-1/3"
  • Overall Length6-1/2"
  • Seat MaterialMonel
  • Spring MaterialStainless Steel
  • Temp. Range40 Degrees to 450 Degrees F
  • Test LeverNo
  • StandardsCSA, CRN
How can we improve our Technical Specifications?

Compliance and Restrictions


    Backpressure Valves—Series FR

    • Temp. range: 40° to 450°F
    Fully automatic valves maintain preset inlet pressure, regardless of variations. All have a stainless steel spring. Ranges are factory-set at midrange and can be adjusted in the field to meet specific application requirements. FNPT connections. Provide continuous protection of pumps, process piping systems, and similar equipment in most hydraulic systems.
    Meet CSA and CRN standards.

    Product Reviews Disclaimer:
    Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.