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For testing pumps and hydrants. With a piezometer you can take pressure readings and determine the amount of water flowing from any size opening up to 8" diameter. You need a Piezometer for taking flowing pressures to get an accurate check on the fire fighting efficiency of your pumpers and hydrants. You may have gauges that give you the static pressure (the pressure when no water is flowing) but without checking the flowing or velocity pressure you can't know positively how much water can be delivered through the outlet. All brass tube with bleeder valve. Available with liquid filled, vibration free gauge. Made to Underwriter specifications. Ship. wt. 2 lbs.
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