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Ralston QTHA-4TS0 1/2" tube fitting x male Quick-test, no check-valve, S.S. stainless steel adapter



Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube fitting without a wrench
  • 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




Pressure Range 0 to 5000 psi (0 to 345 bar)
End C1 1/2" Tube Fitting
End C2 Male Quick-test
Has Check Valve No
Temperature range 0 to 140 °F (-18 to 60 °C)
Construction Stainless Steel
Seal materials Buna-N
Dimensions A 1.7 in (4.32 cm)
Dimensions B 1 in (2.54 cm)


Ralston QTHA-4TS0 Stainless Steel 1/2