What Distinguishes Relief Valves From Safety Valves?


These valve names are used to describe safety devices that safeguard people, property, and the environment in the process industry. These devices often take the shape of electronic water flow control valves, cylinders, and other cylinders. Process safety includes both relief and safety electric flow control valves as essential elements. Yet they serve essentially the same functions. Their internal workings are where they mostly diverge.

What Are Relief Valves Used For?

Pressure-sensitive equipment is safeguarded in the case of an overpressure by a safety fluid control valve or pressure re lief valve (PRV). It is advised to frequently strip down relief valves to avoid major backpressure damage. Any pressurized system must have pressure-release valves. You may program the pressure to open at specific pressure levels to avoid system problems. All pressure systems have a setpoint, often known as a fixed design limit. An overpressure electronic water flow control valve opens when the setpoint is surpassed.

What Exactly Is a Safety Valve? How Does It Function?

Several sectors, including those that employ power plants, petrochemical facilities, boilers, oil and gas, medicines, and more, require various kinds of safety valves. By using safety valves, accidents and injuries that might affect people, property, and processes can be avoided. When the device is engaged over the designated level, the pressure automatically builds up in the vessels and systems.

The electronic water flow control valve must be set up such that the pressure specified by the manufacturer is exceeded for them to work. To avoid harming the vessel, extra pressure should ideally be discharged either outdoors or back into the pneumatic system. To keep pressure within a specified range, extra pressure should also be released. The safety valve opens as soon as a little rise in pressure over the acceptable limit has lifted it.

Safety Valves Versus Relief Valves:

By lowering the system’s pressure to a safe level, valve relief relieves the system of excess pressure. These electronic flow control valves relieve pressure. A relief valve can be used, for instance, to change the pressure inside a system or vessel so that a certain level is maintained. Unlike a safety valve, a relief valve’s purpose is to adjust a system’s pressure limit according to needs rather than to avoid harm to the vessel.

Why Utilize the Electronic Relief Valve from Gennidh?

Gennidh’s electronic water flow control valve is the ideal option for pressure control applications that demand dynamic setpoints and therefore variable pressure limitations. The relief pressure setpoint may be dynamically adjusted with this device using a control voltage. The precise setpoint for conventional relief valves must be determined by a professional manually adjusting the air flow control valve and using a pressure gauge. 

An electronic control system may swiftly and securely dictate a dynamic maximum pressure based on feedback from existing system requirements thanks to the Electronic Relief Valve manufactured by Gennidh. Moreover, the Electronic Relief Valve offers an optional feedback signal that shows the system’s current pressure. This enables the control system to adapt dynamically to changing circumstances.

Wrap Up:

In this article, we discussed the major differences between relief and safety valves. Hope the read may prove beneficial for you.

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