Water filling is a vital part of Hydrostatic test execution.
Before starting Water filling activity, we need to consider few things:
Pipeline or piping system is fully constructed
Quality inspector made the punch list for hydrotest and all the ‘A’ items are closed.
Internal cleaning of the pipeline completed.
Test headers/ Test manifold and/or Temporary or permanent Scraper launcher/ receiver installed on both sides.
Full Lines are backfilled, adequately supported to prevent any safety accident.
Water filling Pump is the most important selection for the activity:
Pump capacity is the rate at which the pump can push fluid through its system. Based on this definition, pump capacity is expressed as fluid volume per unit time. Some of the most common units of pump capacity are:
$ Gallons per minute (gpm)
$ Liters/minute (L/min)
$ Cubic meters per hour (m3/h)
Some selection criteria for filling pump:
Flow rate of the pump: like 80, 120, 200, 300, 750, 1500 Cubic meters per hour (m3/h).
Pressure rating for the pump: 12 bar, 13 bar, 17 bar etc.
Pressure Head of the pump- 50meter ( can lift the water at a height of 50 meter maximum).
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Description: This Channel always discusses the Quality, inspection and construction perspective of construction of pipelines and similar topics. Time to time we discuss the related basic knowledge, physics or science to help understanding the mani topics in details.
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