Ralston Logo Ralston Instruments Made In the USA

QTVF-000S

Shut-off valve - 1/4" MNPT x 1/4" FNPT with male QT test port, S.S.

Install between a pressure gauge and the process and isolate the process from the gauge to perform a calibration of the gauge. After completing the calibration open the valve and place the gauge on-line, all without blowing down the system.


Pressure Range0 to 3000 psi (0 to 207 bar)
End C11/4" Male NPT
End C21/4" Female NPT
End C3Male Quick-test with cap and chain
Has Block ValveYes
Has Vent ValveYes
Maximum Working Temperature140 °F (60 °C)
ConstructionStainless Steel
Seal materialsBuna-N, Delrin, Teflon
Dimensions A2.6 in (6.60 cm)
Dimensions B2.5 in (6.35 cm)