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    Cast Iron Adjustable Back Pressure Relief Valve, FNPT Inlet Type, FNPT Outlet Type

  • Item # 3PZZ4
  • Mfr. Model # 13690-0175
Cast Iron Adjustable Back Pressure Relief Valve, FNPT Inlet Type, FNPT Outlet Type
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Product Details

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.
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Technical Specifications

Item # 3PZZ4
Mfr. Model # 13690-0175
UNSPSC #40141606
Shipping Weight 13.7 lbs
Country of Origin USA *
Item Adjustable Back Pressure Relief Valve
Body Material Cast Iron
Inlet Type FNPT
Outlet Type FNPT
Inlet Size 3/4"
Outlet Size 3/4"
Factory Set Pressure 175 psi
Disc Material Stainless Steel
Overall Height 8"
Overall Length 5-5/8"
Seat Material Monel
Spring Material Stainless Steel
Temp. Range 40 Degrees to 450 Degrees F
Test Lever No
Standards CSA, CRN
* This product's country of origin is subject to change

Compliance and Restrictions

This item is restricted for conveying or dispensing water for potable use (human consumption).

Low Lead Compliance Level:  This product is not intended for potable water applications (human consumption – drinking and cooking) and has not been designed to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable water applications. This item is for use only in non-potable (non-human consumption) water applications.

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