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HAM-LET QC-Lok® Quick Connector Couplings

The Ham-Let QC-LOK® Instrumentation Quick Connectors are designed for service in a large variety of applications, with Maximum allowable working pressure up to 3000 psig .

Single and Double End Shutoff Stems:

  • Single-end shutoff (SESO) - Stems have no valve and remain open when uncoupled.
  • Double-end shutoff (DESO) - Stems have valve and shut off when uncoupled.


  • Valved and non-valved stems available.
  • Working pressure rating: up to 3,000psig (206bar).
  • Interchangeable and intermixable with major manufacturers’ Instrumentation Quick Connectors.
  • Viton® O-Rings as standard, other O-rings are available per request.
  • Smooth and safe connection between the QC-LOK® Connector valves is reached by a simple pushing operation due to a smart heavy duty locking mechanism.
  • The QC-LOK® Instrumentation Quick Connectors validation tests are based on ANSI/B93.51M – 1980.

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