How to Perform Hydrostatic Pressure Testing
Hydrostatic pressure is basically a measurement of the amount of force exerted on an object due to its dynamic momentum. A gauge known as a static pressure gauge can measure this pressure at any given time. The amount of force that the fluid exerts upon itself is referred to as dynamic pressure or simply as dynamic pressure. Hydrostatic pressure is measured in pounds per square inch. This value is commonly used in various industries and engineering tests to determine the performance of various parts of the equipment. Some common examples of such tests are airplane handling, ship handling and tunneling machines.
There are two types of hydrostatic pressure gauges. The first one is the static pressure gauge and the second one is the dynamic pressure gauge. The former type of gauge normally has a reservoir filled with a liquid that experiences constant pressure throughout its volume. The reservoir is connected to a piston driven system that applies this pressure onto a sensitive surface. The dynamic gauge, on the other hand, uses a pump to apply hydrostatic pressure to a sensitive device.
There are many factors that affect the performance of a gauge. These factors include the fluid’s velocity, viscosity and density, temperature and ambient pressure, and barometric pressure. It should be noted that although some of these factors cannot be changed, others can. Hence, the results obtained from a dynamic pressure gauge will still depend on the same factors.
The main advantage of hydrostatic testing is that it provides quick feedback. As opposed to dynamic gauges, where a technician has to wait for results after testing a piece of equipment, hydrostatic pressure testing can be done relatively quickly and easily. This is especially true in the case of pipeline testing. The results can be displayed on a screen immediately thus increasing efficiency and reducing costs.
A good hydrostatic pressure gauge should allow easy pressure reading by reading from one end to the other with almost zero delay. This means that the device should not require more than fifteen seconds to interpret the data. This also requires that the reading on the screen must remain accurate and provide the correct pressure reading. It should also be capable of measuring lower pressures than fifteen pounds per square inch. The gauge should also have the capability of measuring pressures greater than a thousand pounds per square inch.
Hydraulic pressure testing equipment is used to test pipes and other fittings that are subjected to extreme pressure. These pipes and fittings include refrigeration lines, water pipes and sewage pipes. It is important to ensure that the pressure testing system can handle the pressures that these devices are expected to withstand. This ensures that the readings obtained are reliable and accurate. For larger piping systems or equipment, pressure testing is often required before installation. For smaller fittings, normal gauge testing is sufficient.