Some Facts About the Pressure Control Valve
A hydraulic system is a device that is operated by the resistance provided or the pressure transferred when a liquid is forced through a tube or small opening. It is used in various types of small and large industrial settings, including vehicles, construction equipment, and buildings. Top users of the system are manufacturing, logging, paper mills, steel processing, and robotics.
An actuator is another component of a machine that works to control and move a system—in this case, a hydraulic system. In order to control the actuator force (pressure x area = force) as well as regulate and select the pressure levels upon which specific machine operations should occur, the system needs a pressure control valve.
There are various uses of pressure controls:
- Unload system pressure
- Limit maximum system pressure at a secure level
- Regulate and reduce pressure
- Assist sequential operation of actuators in a circuit with pressure control
- Any other pressure-associated operation by pressure control
Most of the time, the pressure control valve is hard to identify because of the name variations given to them. Here are some of its other names and types:
- Unloading valve
- Pressure relief valve
- Brake valve
- Pressure sequence valve
- Counterbalance valve
- Pressure reducing valve
- Sequence valve
The most common kinds of pressure control valve include pressure reducing valve and pressure relief valve. Pressure reducing valves decrease the pressure delivered to a hydraulic system’s sub-system, while the pressure relief valves manipulate the system pressure by relieving part or all of the flow to tank. Unloading valves function by directing the flow to tank at pre-set system pressure. The sequence valves are utilised to lead the flow to a secondary circuit.
Essentially, hydraulic systems will only work by using valves, which is why it is important to maintain and keep them functioning well and choose the right valves to use for your mechanisms.
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About The Author
Stuart Havill
Stuart Havill is the owner and manager of MasterMac2000, Queensland's largest privately owned pneumatic and process valve company.
With his early working career as a maintenance fitter for Boral in 1992, Stuart has spent his life in the field of pneumatics and process equipment. He gained extensive experience in plant design, maintenance, repairs, fabrication, and site management.
In 1996, he transitioned to a pneumatic sales technician role at MasterMac2000, where he excelled in key account management, providing cost-effective solutions, and managing a sales team of 9 employees.
Since 2002, Stuart has been the manager at MasterMac2000, overseeing the company's growth and establishing it as a leader in pneumatic automation and process valve engineering. His expertise spans customer training, CRM setup, industrial compressor sizing and installation, and turn-key project management.
Under Stuart's leadership, MasterMac2000 has been servicing the industry since 1988, with 5 full-time sales representatives covering northern rivers NSW, Queensland, Northern Territory, and PNG. The company prides itself on providing the best-priced solutions to all customers in the marketplace.
View Stuart’s LinkedIn profile to learn more about his expertise in pneumatics and process equipment.