Griswold Pump Co. hydrostatic 400 PSI pressure test hand pump. For pressure testing water lines; removal of obstructions from drain pipes; hydrostatic pressure testing of boilers, pipe lines, and casings; reserve hand boiler feed pump and gauge calibration. Ships next business day Hydrostatic test pumps are also used to check old systems and repaired pipes. Using these pumps is the fastest and most reliable way to check for leakage in any pipe system. They are durable and very dependable. Hydrostatic testing is done to see if pipes have any leakage. The way it works is by first pumping water into a closed pipeline. Once the system is shut and locked you can test for any leakage in the pipeline. Applications:
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