Pressure Reducing Valves

PCI has a range of Pressure Reducing Valves that are used on applications outside of steam (see Pressure Reducing Valves under the steam category for steam PRV's).

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  • How does a pressure reducing valve work?

    A pressure reducing valve is designed to prevent excessive pressure buildup in a closed system. The valve remains closed as long as the pressure in the system is below a certain level. When the pressure exceeds this level, the valve opens, allowing some of the fluid or gas to escape from the system, reducing the pressure. Most pressure valves rely on a spring-loaded mechanism to control the valve's opening and closing. When the pressure exceeds the predetermined level, the force exerted on the valve pushes against the spring, causing it to open. Once the excess fluid or gas is released and the pressure drops back down below the threshold level, the spring tension forces the valve closed again, and the system returns to its normal operating pressure.
     
  • How much PSI can a pressure valve hold?

    The maximum pressure that a pressure valve can hold depends on the specific type of valve, as well as its size, design, and intended application. Some pressure valves are designed to operate at relatively low pressures, such as a few pounds per square inch (psi), while others are capable of withstanding very high pressures, ranging from hundreds to thousands of psi. The maximum pressure rating of a pressure valve is typically determined by the valve manufacturer. In general, it is important to select a pressure valve that is rated for the maximum pressure that the system is likely to experience, in order to ensure reliable and safe operation. It is also important to note that pressure valves are typically designed to open at a pressure that is below the maximum pressure rating, in order to provide a safety margin and prevent over-pressurisation of the system.
     
  • How often should a pressure valve be replaced?

    The frequency with which a pressure valve should be replaced depends on a variety of factors, including the type of valve, its intended application, and the manufacturer's recommendations. In general, pressure valves should be inspected and tested every 12 months to ensure that they are functioning properly and providing the necessary protection against over-pressurisation. If a valve fails a test or shows signs of wear or damage, it should be replaced immediately. In some cases, industry codes and regulations may specify a maximum service life for pressure valves, or require periodic replacement or recertification. It is important to follow these guidelines to ensure the safe and reliable operation of the system.
     
  • How long will my product take to get to me? 

    This depends upon where you are based and the freight method chosen. If the express freight option is selected it is usually next day delivery to metropolitan areas in Australia for under 5kg. If free freight has been selected it will go by road freight which can be anywhere from 1 to 10 days depending upon your location. It usually averages 3 days.
     
  • What warranty does PCI offer?

    All of our products come standard with a 12 month warranty. The good news is we have very strict quality controls and all valves leave our warehouse tested (full material and testing certificates to API598 are available) and inspected so there are rarely any issues. Also once your valve is in and operating it will most likely continue to do so for a very long time.