Products/Services for Check Valve Diagram

  • Check Valves-Image
    Check Valves - (1938 companies)
    ...the valve, while backflow forces the valve closed. The mechanics of check valve operation are relatively simple. Most check valves contain a ball that sits freely above the seat, which has only one through-hole. The ball has a slightly larger diameter than... Search by Specification | Learn More
  • Gas Valves-Image
    Gas Valves - (516 companies)
    Gas valves are used to handle and control the flow of gaseous media such as liquefied petroleum and natural gas. They are made of metal or plastic and vary in terms of valve size, pressure rating, number of ports, and flow. Connection types consist... Search by Specification | Learn More
  • Hydraulic Valves-Image
    Hydraulic Valves - (699 companies)
    ...valves can be almost any valve, i.e., check valve, drain valve, control valve, and many more, as long as the valve restricts hydraulic fluid they can be classified as hydraulic valves. For a full description on types of valves and their actuators please... Search by Specification | Learn More
  • Globe Valves-Image
    Globe Valves - (775 companies) drained or bled. Image Credit: Bani Instind 23. Self-actuated valves use the system fluid to position the valve. These are commonly found in relief valves, safety valves, check valves, and steam traps. Because these actuators use the fluid in the system... Search by Specification | Learn More
  • Valve Repair Services-Image
    Valve Repair Services - (179 companies)
    Leak repair. NDE testing. Valve repair. Image Credit: TEAM industries | Siemens. Valve repair services repair and rebuild used valves. Some repair services specialize in the repair and rebuilding of many different types of used valves, but they may... Search by Specification | Learn More
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    Butterfly Valves - (1237 companies)
    Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. They are normally used as throttling valves to control flow. Butterfly valves are quarter-turn... Search by Specification | Learn More
  • No Image Available
    Air Valves - (803 companies)
    ...function. Valve Function. Valves are a part of many daily- used machines and can perform a variety of functions. The three common valve functions include stopping and starting flow, throttling (control) flow, and acting as a non-return check... Search by Specification | Learn More
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    Ball Valves - (2071 companies)
    ...have ball valves available with several different features to fit an application. Swing check- A swing check gives a valve the feature of a check valve. This prevents media from backing up into the system. Valve stops- A stopper that only permits 90... Search by Specification | Learn More
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    Plastic Valves - (342 companies)
    ...a closure element slides into the flow to shut off the stream. Globe and Pinch valves are other types of linear motion devices. Needle valves have a slender, tapered point at the end of a valve stem. Poppet valves open and close ports with a sealing... Search by Specification | Learn More
  • No Image Available
    Water Valves - (581 companies)
    ...control) flow, and acting as a non-return check for flow (check). Stop/Start valves are used for systems that do not need the flow throttled. The valve opens to allow the flow and closes to stop flow. Throttle or control valves control the speed... Search by Specification | Learn More

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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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