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Experience has proven the need for check valves in piping where reverse flow could be detrimental to the system. A valve which closes quietly and eliminates water hammer is obviously desirable. A need for basic information on how to specify and utilize these check valves does exist...

The What, How, Where and Why of Check Valves...

Products such as one-way valves are often built to open at a certain pressure. Product and test engineers need to know at what pressure the valve starts to open (cracking pressure) and if the valve body breaks....

...varies with fluid viscosity and pressure across the valve. Usually, a needle valve is paired with a check valve that offers resistance to flow in one direction only. The combination permits flow to be adjusted in one direction, with free flow upon reverse. This type of two-valve combination is typically...

A company designs and manufactures an extensive family of check valves for a variety of applications. The valves provide accurate, reliable control of fluid or gas in low-pressure, low-flow systems. With over 16,000 possible configurations, these check valves offer a maximum degree of modularity...

...of the role check valves play in intravenous (IV) drug delivery, ) takes special care when making these devices. ITW specializes in producing components with a complex shape. One example is check valves, which are included in many IV delivery sets. By inserting a check valve into an IV line, fluid backflow...

Compressor valves serves as check valves for the inlet and discharge passages of the cylinder and will open and close once for every revolution of the crankshaft. If the compressor is running at 500 rpm for 24 hours a day, the valves will open and close 720,000 times every day! Valves have...

Medical valves and flow control devices, including hand pumps and fittings, are supplied in a variety of materials and configurations. Pressure check valves are manufactured to tolerances that attain +-5%. Needleless check valves, y- and t-port valves, and valves for balloon catheters and other...

A line of check valves comprises a variety of styles and is manufactured in ISO Class 8 -certified cleanrooms. Included in the product line is an in-line back-check valve, which features a preloaded, normally closed silicone diaphragm that allows flow in a single direction. One-way...

Learn how to disassemble the 3A Sanitary valve by Check-All Valve. The electropolished stainless steel check valve for your sanitary needs....

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Check-All Valve Mfg. Co.
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Check-All Valve Mfg. Co.