What is a High Pressure Hose?

Erin J. Hill

The high pressure hose can be used as a stand-alone item for specific projects and purposes, or as a part of a larger piece of equipment. Generally speaking, the hose is made from sturdier materials than lower pressure hoses, thus allowing it to support water or air pressure at higher levels.

Pneumatic tools often use a high pressure hose made of flexible tubing.
Pneumatic tools often use a high pressure hose made of flexible tubing.

One common use for the high pressure is when it is implemented with a pressure washer. This device blasts large quantities of water through the hose at high speeds, thus allowing it to clean hard surfaces by forcing debris or growths like mold and mildew away from the surface. In some cases, the high pressure hose transports other materials used for cleaning, such as sand or cleaning solvents.

Automobiles also use the high pressure hose in various systems that move fluids from one station to another. The power steering system is one example, with power steering fluid moving through a system of hoses to ensure the car steers properly. Other high pressure hoses include the large water hoses used by fire departments.

The materials used to make a high pressure hose can vary depending on the pressure it is intended to handle. Some lower grade hoses may be crafted from thick plastics or rubber, while others feature metal conduit or spiraled wire with a rubber coating. Typically, the more durable the materials, the more pressure the hose can withstand.

High pressure hoses are typically flexible in nature and expand significantly when matter passes through. The hose will become immovable and taut when the maximum pressure capacity is reached. When using a high pressure hose, it is very important to pay close attention to the pressure gauge to ensure that the numbers go no higher than recommended. If too much pressure is applied, the hose may burst and shrapnel may be catapulted in all directions. This can lead to serious injury for operators or bystanders if pieces of debris make contact with any unprotected parts of the body.

For this reason, protective gear should be worn at all times while operating any kind of device which uses a high pressure hose. This may include safety goggles, gloves, helmets, and other protective layers to prevent injury should the hose burst unexpectedly. The best measure of protection of course, is to follow all manufacturer instructions and regulations. Additionally, there are devices that can be added onto certain machinery that use a high pressure hose. Blow-out guards, for instance, act as shields over the hose to prevent debris from escaping if the hose bursts.

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