Part Number: QTVF-000B
Shut-off valve - 1/4" MNPT x 1/4" FNPT with male QT test port, brass
![](https://ralstoninst-web.imgix.net/products/items/item-56d77797dee4e.jpeg?ixlib=js-3.8.0&w=2112&blur=200&px=16&auto=compress%2Cformat&s=558e2a9ae91dd38d52f5968c0f580032)
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.
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