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CPV Manufacturing offers an array of high pressure relief valves. To learn more about these and other available products, contact us today!

Globe styleSilent Check Valve

High pressure relief valves are known to be one of the most reliable types of overpressure protection and present numerous benefits as well. For example, they don’t block normal flow through a line, and they don’t negatively affect regulators.  On top of that, high pressure relief valves act as alarms during an overpressure event.

There are numerous types of high pressure relief valves. The most common are a spring-loaded pressure relief valve, a balanced bellows valve, and a balanced piston valve.

About Mueller Steam: Beginning in New York City as a small specialty manufacturer servicing the valve industry, Mueller Steam Specialty incorporated in 1956 to start manufacturing pipeline strainers. Since then, the company and its product offering have expanded dramatically. The company moved to North Carolina in 1972 and due to its continued growth, moved again in 1992 to a new and larger facility in St. Pauls, North Carolina. There are now over 300,000 square feet of ISO 9001:2000 registered manufacturing space devoted to Mueller's various product lines. In addition to a full range of pipeline and specialty strainers, the company now manufactures a broad offering of check valves and butterfly valves.

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Wermac.org also mentions that a balanced bellows valve and a balanced piston valve should be used when superimposed back pressure is variable. These valves include a pressure area equal to the seat area of the disc as well as a Bonnet that’s vented to keep the pressure area exposed to atmospheric pressure. This will also provide an easier way to detect leaks in the bellows or pistons.

NIBCOsilent check valve

According to Wermac.org, the spring-loaded pressure relief valve is designed with a valve inlet or nozzle mounted on the pressurized system, a disc against the nozzle to prevent flow under normal system operating conditions, and a spring to hold the disc closed. This type of valve can also be adjusted to specific pressures.

Safety valves tend to be used for more emergency situations. They operate similarly to high pressure valves, but they open instantly to their full capacity as soon as the system hits the set pressure of the valve.

WattsSilent Check Valve

High pressure relief valves are vital to many piping systems and vessels. From electronic to pneumatic to hydraulic systems, they all need a high pressure valve to ensure protection and safety.

In the event of an overpressure situation where the pressure of the system is above the regulator’s setpoint, these valves will vent gas or liquid away from the vessel or system to a safe location. This ensures consistently safe pressure levels and prevents damage and complete system failure. Once the vessel or system has normalized, the relief valves will close until they’re needed again.

WARNING: Some of the products we sell can expose you to chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Contact your sales rep or go to www.P65Warnings.ca.gov for more information.

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High pressure relief valves are commonly referred to as safety valves. However, these are two different devices. A high pressure relief valve opens gradually depending on the system’s overall pressure levels. As pressure increases, the valve’s opening gets bigger to maintain stability.

Any system or vessel produces high levels of pressure, at times too much for the system to handle. However, there’s something that can ensure protection and consistent stable operation in overpressure events: high pressure relief valves.