Part Number: QTHA-BLB0-1F-1F
Block & bleed valve - 1/8" female NPT inlet x 1/8" female NPT outlet, brass
![](https://ralstoninst-web.imgix.net/products/item-QTHA-BLB0-1F-1F-64e52739ddd89.jpg?ixlib=js-3.8.0&w=2112&blur=200&px=16&auto=compress%2Cformat&s=b4dbfd0f487c11bc397c008f9a55a2af)
Keep a calibration system pressurized with a fluid or gas while venting the pressure from the device being calibrated
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