Check valves are generally installed in the discharge pipeline of the pumping system to ensure that the pumped medium does not flow back. With so many check valves on the market, finding the right one for your application can be a challenge. Before you start shopping for check valves, make sure you know the answers to these five questions.
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The intended use of the valve and the environment in which it will be used are critical in order to select the correct valve for your specific application. It is very common to install the wrong check valve in the piping system, and the check valve should generally be selected according to the size of the pipeline.
Know that the flow rate is the most important, in gallons per minute (GPM), gallons per hour (GPH), if your process flow is higher than 8 feet per second flow through the valve, there will be higher wear Rate. When the flow rate is higher than 8 feet per second, whether it is a rubber valve or a metal valve, wear will cause performance degradation. The faster the flow, the more wear on the check valve, resulting in reduced life. Knowing the flow rate can help you choose the best check valve for your specific requirements.
Knowing the inlet pressure will help determine which type of check valve you need. Do you need a "ball" style check valve? Do you need a "swing" check valve? Or do you need a silencer check valve? Or a flange check valve or a wafer check valve? Determining which check valve you need depends on the orientation of the check valve in the pump system.
Back pressure is the pressure difference between the inlet and outlet pressures. For example, a valve is installed at the end of a pipe that discharges fluid into a small bore. How high will the water be above the surface as the flow rises? Back pressure occurs when water rises above this valve. Therefore, according to your detailed use, you should know how much back pressure the check valve needs to accept.
If the valve is installed submerged in the medium, this means that there is always a back pressure on the valve. In this case, you need to pick a check valve that is intended for submerged conditions and is manufactured from the correct material. The mistake of putting the wrong check valve in the piping system is relatively common. If your check valves are having frequent problems, it may be the result of a poor selection. Before purchasing a check valve, please inform Vitoli Valve salesman of your working conditions and needs in detail, and then you can choose a more suitable valve!
Related News & BlogFlanged gate valves provide robust bidirectional isolation for critical piping systems across countless industrial applications. However, not all gate valves are created equal when it comes to performance, safety and longevity. There are several crucial factors to evaluate upfront before specifying and purchasing these valves.
From understanding &#;how does a flanged gate valve work?&#; to determining the optimal materials and design configurations, making informed decisions upfront ensures your valve meets operating demands. Overlooking details can lead to premature failures, safety risks and unplanned maintenance down the line.
Here are some of the most important considerations to work through with your flanged gate valve manufacturer and representatives:
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While the core function of a flanged gate valve is simple on/off control, it&#;s important to understand the unique internal operating principles and potential failure modes. An experienced valve manufacturer can illustrate the internal dynamics and recommend designs and preventative maintenance protocols to maximize service life.
One of the biggest advantages of flanged gate valves is their vast range of available body and trim materials to resist harsh service conditions:
Flanged gate valves need to comply with the accepted piping codes and standards. Before making a purchase, ensure compatibility and ease of maintenance:
The chosen specifications impact everything from face-to-face dimensions to fastener sizes to allowed working pressures and temperatures. Verifying suitability upfront is crucial.
How a flanged gate valve integrates into your piping layout is a key consideration for installation and ongoing maintenance access. Ask these questions related to installation and maintenance of flange gate valve:
Beyond the basic valve components, there are several other considerations that can impact operation and compliance:
Overlooking these details can lead to operational issues, non-compliance risks and added future costs for services or replacements.
The upfront time spent thoroughly reviewing your operating conditions and requirements with an experienced flanged gate valve manufacturer pays dividends. They can guide selections, advise on best practices, and ensure the supplied valves meet all criteria for safety and performance.
Xintai Valve has extensive expertise across virtually every industrial valve application. Our comprehensive range of certified flanged gate valves are proven to handle the most demanding operating conditions. Contact our team today to discuss your upcoming projects and valve needs.
Contact us to discuss your requirements of ANSI Standard Flange Check Valve. Our experienced sales team can help you identify the options that best suit your needs.
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