Griffco Unibody Pressure Valves
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Griffco’s new Unibody back pressure valve is the latest innovation to ensure leak-free connections and operation. This new design allows flexibility of changing connection types, provides ease of maintenance, and eliminates additional system components (extra unions) saving time and money.

As with all of the Griffco designs, the chemical feed system is safeguarded by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-siphon valve. This new construction ensures increased leak-free reliability in the rigorous service of municipal and industrial applications.

Griffco Unibody Pressure Valves (Back Pressure Valves)
Griffco Unibody Pressure Valves

2 Year Warranty

Valve Features

  • Solid, robust, single-piece machined construction
  • No seals or glued connections
  • Anti-siphon function
  • Available in PVC and CPVC
  • Union style connections
  • Molded Noryl top with integral hardware locking
  • Vulcanized composite PTFE/EPDM diaphragm
  • Adjustable up to 250 psi (17 bar)
  • 2 optional pressure ratings (springs)
  • Valve sizes from 1/2" to 1" or DN 15 to DN 25
  • Tamper-resistant adjustment screw

Griffco Benefits

  • High reliability at affordable price
  • Long diaphragm life
  • Multiple diaphragm material options
  • Compact size for OEM applications
  • Two year warranty

Available Sizes

  • 1/2" to 1" or DN 15 to DN 25

Wetted Materials

  • PVC
  • CPVC


Unibody BPU - Documents

TitleDescriptionDate modifiedDownload
Data Sheet BPU (US) Imperial09-14-2020 Download
Data Sheet BPU (Intl) Metric09-14-2020 Download

Unibody BPU - Dimensional Drawings

Unibody M Series 2-Port @ 180° (1/2") (DN 15)

TitleDescriptionDate modifiedDownload
Dim BPMUB 2Port@180 Union US 1/2"08-23-2020 Download
Dim BPMUB 2Port@180 Union Metric DN 1508-23-2020 Download

Unibody BPU - Sectional Drawings

TitleDescriptionDate modifiedDownload
U001 08-26-2020 Download
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Griffco Valve fully stands behind all the products it manufactures and sells. Find out more information about our quality certifications and organizations.

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