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Easy to use Quick Release Couplings

Series QRC Couplings are designed for general purpose hydraulic service. Some are suitable for use with various liquids, chemicals, steam, gases and vacuum. Series QRC couplings conform to the dimensional requirements of ISO 7241-1 Series B. Body sizes range from 1 /4" to 1".


  • Quick and easy connection and disconnection
  • Automatic shut-off on disconnection
  • Connection/disconnection possible under pressurized conditions
  • Robust construction ensuring long life
  • End connections in NPTF, BSPP female threads
  • Manufactured in accordance with the ISO 7241 - 1 series B


  • Available in 5 sizes: ¼‘’, 3/8’’, ½’’, ¾’’, 1’’


  • Body - stainless steel, aluminum and brass
  • Sealing elements – EPDM/polychloroprene
  • Sealing, balls, retaining rings - stainless steel
  • Check valves – brass/stainless steel


Ideally suitable for applications involving liquids, chemicals, steam gases and vacuum and in applications involving hydraulic equipment, compressed air installations, fluid transfer lines, pneumatic instrumentation and refrigeration industry, amongst others.