Products/Services for Double Detector Check Valve

  • Check Valves-Image
    Check Valves - (1933 companies)
    ...of the cap. A double-disc or wafer check valve consists of two half-circle disks hinged together that folds together upon positive flow and retract to a full-circle to close against reverse flow. These should not be confused with a double check valve...
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    Valve Type
    Severe Service Rated
    Back Flow Preventer Assembly
  • Backflow Preventers-Image
    Backflow Preventers - (129 companies)
    ...into the close position when the flow is reversed. Double disc or wafer check valves are comprised of two half-circle discs that fold together when the flow is positive and retract when the flow is reversed. Lift check valves have a free-floating closure...
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  • Diodes-Image
    Diodes - (755 companies)
    ...to a pressure rating on a check valve. Image Credit: AMB Laboratories. Light emitting diodes (LEDs) are PN junction devices that give off light radiation through electroluminescence when forward biased. They are used as various indicators in aviation...
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  • Fire Sprinkler Heads-Image
    Fire Sprinkler Heads - (88 companies)
    ...valves are attached to the fire alerting system (e.g., smoke detector or smoke alarm) so that water is not dispersed to areas that are free of fire. Control valves, heat-activated sprinkler heads, and regulators are important components...
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  • Valve Actuators-Image
    Valve Actuators - (872 companies)
    ...fail closed or fail open) must also be determined, using the following guidelines: Double-acting operation- The torque output at the minimum air supply pressure should exceed the calculated torque requirements of the valve. Spring-return operation...
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    Valve Repair Machines - (12 companies)
    Valve repair machines are used to machine valve seats and faces on gate, globe, check, ball, safety, and control valves. Portable, or in-line, machines are used for on-site repairs (primarily grinding and lapping) while the valve is on-site or still...
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    Double Diaphragm Pumps - (194 companies)
    ...on Engineering360. Double diaphragm pumps utilize two chambers which operate concurrently (one draws in while the other pushes out). The effectiveness of this pump is due to the balanced flow of the media cycling through the dual chambers. Check out...
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    Valve Repair Services - (176 companies)
    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 also work exclusively with specialized, proprietary or patented products. Repair...
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    Electrohydraulic Valve Actuators and Hydraulic Valve Actuators - (140 companies)
    ...a compressed spring actuates the valve in the other. With double-acting devices, fluid pressure actuates the valve in both directions. Number of turns- The number of turns applies to multi-turn actuators. It defines the number of turns preformed...
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    Pneumatic Valve Actuators - (431 companies)
    ...pressure actuates the valve in one direction while a compressed spring actuates the valve in the other. With double-acting devices, fluid pressure actuates the valve in both directions. Number of turns applies to multi-turn actuators. It defines...
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