Quickly Switch Between Many Devices Under Test with Female NPT Quick-connect

Female NPT Quick connect adapters convert any NPT to Quick-test

npt quick connectWorking through a slate of tests on NPT connections usually involves lots of taping and wrenching. Spend more of your time testing instead of taping by adding a Female NPT Quick connect to your workflow. Our unique design seals on the bottom of the NPT connection without thread sealant or a wrench and easily handles up to 5000 psi or 350 bar. It is an excellent solution for calibration labs or for anyone who calibrates lots of pressure gauges. Switch between gauges with different NPT sizes quickly by swapping out Quick-connect adapters. Use the Female NPT QD with Male Quick-test to connect to Ralston Quick-test hoses or use the Female NPT Quick-connect with Female Quick-test to connect to any Ralston hand pump, calibration manifold, volume controller or PGS Box. It’s also an excellent companion to our Ralston Bench-top Manifolds for calibrating multiple gauges at once and are available in a wide range of NPT sizes


  • Provides a secure connection up to 5000 psi/345 bar pressure
  • Safely self-vents instead of blowing off if  you forget to vent off the pressure
  • No tools required, hand tighten only

They are ideal for use in:

  • pressure calibration
  • calibrating multiple gauges
  • anywhere a temporary connection to a NPT fitting is needed
Watch the video show how quickly you can calibrate multiple pressure gauges

JM Test Systems® rents Ralston hand pumps and sells Ralston fittings for all your measurement and calibration solutions.

The fittings used in this video are the QTHA-1FS0-QD, QTHA-2FS0-QD & QTHA-4FS0-QD
Call us for a quote today at 800-353-3411

npt quick connect