The Importance Of A Vacuum Check Valve

There are many different types of machines and equipment that use a vacuum system. They can be found in vehicle motors, in dental equipment, in industrial vacuum systems, and in a wide range of other common and specialized types of applications.

The key to the effective working of a vacuum system is the ability to create and maintain the vacuum to provide the necessary suction through the system. This means that each individual component, including the vacuum canister, tubing or pipe, fittings, and valves, have to be designed to seal completely and to work without any leaks. Most of the components in these types of systems are one-piece in design, allowing them to be used on low to high pressure systems.

One of the most important components in these systems is the vacuum check valve. This is a valve that works automatically and does not require either manual or electrical system controls. Instead, this check valve works by responding to different pressures on the inlet and outlet side of the valve to keep the valve open or to cause it to close.

Design Features

A vacuum check valve is designed to prevent the backflow of air through the system. The check valve, or one-way valve, is designed to detect when pressure differentials are greater than the set range, or cracking pressure, of the valve. At the same time, the valve automatically opens or closes when the situation is restored to the cracking pressure range.

The design of any vacuum check valve provides for an instant and complete seal of the valve. This is critical to avoid issues with maintaining vacuum pressure, lack of performance, and to avoid additional wear and tear on the pump if it was constantly required to cycle on and off when the equipment was in use.

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