FIRGQ Series

The FIRGQ series flat face couplings utilizing QPQ plating technology for a corrosion resistant finish that is superior to zinc plating in many environments. It is a low-cost alternative to cost-prohibitive stainless steel applications and can be supplied with a variety of seals for fluid compatibility and operating temperature requirements.


  • Size range: 1/4” thru 2”
  • Port options: NPT, SAE, BSP
  • Interchanges with ISO 16028
  • Working pressure: 20-30 MPa/2900-4350 psi range
  • QPQ plating treatment for corrosion resistant finish
  • Non-spill design avoids fluid loss during connection/disconnection
  • Minimal air inclusion during connection
  • Low and medium corrosion environments
  • Systems operating on mineral oil, steam, water or other low or medium corrosive fluids
  • Steel mills, various industrial process applications, tire manufacturing, state/municipal right-of-way spraying

Additional information

Body Size

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Port Options

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Valve Style

Working Pressure


Download:  ISO 16028 ID Chart

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