For many manufacturers, proportional pilot valves are a vital part of the construction of their products. These electro-hydraulic valves can change pressure in a range from 0 to 435 pounds per square inch (PSI), or from 0 to 30 bar. This allows for a wide flow range that can be changed from 0.15 liters per minute at a low level to 1.32 liters per minute when positioned at 435 PSI or 30 bar. This varied range can also be expressed as 0.04 to 0.35 gallons per minute.
Proportional pilot valves have the benefit of operating under a variety of contamination levels. For levels as high as ISO 4406 19/16, a proportional pilot can operate continuously without issues. When the contamination levels exceed ISO 4406 25/20, however, the valve can only work intermittently.
Proportional pilot valves have revolutionized the way many products are made. Because they are small and yet easily operated, they can be utilized in more products than ever. They allow a considerably high pressure and high flow feed, which typically requires a larger force to control. However, these strong valves are able to withstand high pressures without problems.
These valves are created for infinite positions and are normally closed. Because of their flexibility, they can work with three-way pressure control, making it an extremely useful component for many manufacturers. The proportional pressure valve’s for sale simplicity of design is a great achievement in pressure control, allowing for less parts to be used to create a fully functioning product.
Some of the widely used applications for a proportional pilot valve are in automobiles. The clutch control in a power shift transmission requires the use of a proportional pilot valve in order to correctly manipulate the pressure in the clutch. Off-road vehicles are another common application that takes advantage of the flexibility of a proportional pilot valve in controlling pressure. Emergency and safety controls and shut-offs need pressure valves for instantaneous changes in pressure. For other machines or equipment, a pilot valve is used in order to manipulate the pressure output in a spool or piston.
Typically, a proportional pilot valve is human-operated. The controls of the valve can be activated by a switch or a handle which is connected to the valve. However, they can also be connected to a dead man’s switch in some products, which allows the machine or product to cease its activity if the operator becomes incapacitated.
Proportional pilot valves are a great solution for products that need the control of high pressures. Remember that these valves are not suited for low pressures or vacuums. In the correct setting, however, a pilot valve can become one of the most important components in a product. The addition of this piece can allow your vehicle or shut-off switch to perform quicker and more efficiently than ever.
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