Tube Fitting Quick-test Adapters Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube fitting without a wrench Features • An excellent solution for connecting to tube fittings for pressure calibration, gas sampling, pressure reading and testing • A unique design that seals on an o-ring to prevent damage to a tube fitting • Make and remake hundreds of times without over-tightening a tube fitting • Made in USA Tube Fitting Quick-test Adapters Select a model for more information Model Material End 1 End 2 Check Valve Working Pressure QTHA-1TS0-QD Stainless Steel 1/8" Tube Fitting with Quick-Disconnect Male Quick-test No 5000 PSI QTHA-2TB0 Brass 1/4" Tube Fitting Male Quick-test No 5000 PSI QTHA-2TS0 Stainless Steel 1/4" Tube Fitting Male Quick-test No 5000 PSI QTHA-3TB0 Brass 3/8" Tube Fitting Male Quick-test No 5000 PSI QTHA-3TS0 Stainless Steel 3/8" Tube Fitting Male Quick-test No 5000 PSI QTHA-4TB0 Brass 1/2" Tube Fitting Male Quick-test No 5000 PSI QTHA-4TS0 Stainless Steel 1/2" Tube Fitting Male Quick-test No 5000 PSI QTHA-MTB0-6mm Brass 6 mm Tube Fitting Male Quick-test No 5000 PSI QTHA-MTB0-10mm Brass 10 mm Tube Fitting Male Quick-test No 5000 PSI Ralston Instruments Inc. | ralstoninst.com | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480