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Part No.
1/4" female NPT x female Quick-test, no check-valve, S.S.
Connect to a pressure gauge or other device
with Male NPT connections to a Ralston hand
pump or nitrogen calibration device
• Install with thread tape once onto any male NPT pressure
gauge then use the Quick-test connection to quickly connect
or disconnect from any Ralston hand pump, nitrogen
calibration device or other Quick-test adapter
• Saves the threads on a pressure gauge by not needing to
make and remake the connection with thread sealant
• Made in USA
Pressure Range
0 to 5000 psi (0 to 345 bar)
End C1
1/4" Female NPT
End C2
Female Quick-test
Has Check Valve
Maximum Working
225 °F (107 °C)
Stainless Steel
Dimensions A
1.52 in (3.86 cm)
Dimensions B
0.75 in (1.91 cm)
Ralston Instruments Inc. | | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480