Products/Services for Double Detector Check Valve

  • Check Valves-Image
    Check Valves - (1952 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 - (131 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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    Fire Protection Services - (258 companies)
    Fire protection services install, maintain and monitor safety equipment such as flame and smoke detectors, sprinkler systems, fire alarms and annunciators. Flame detectors are used by fire protection services to determine whether a fuel is burning...
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  • Fire Sprinkler Heads-Image
    Fire Sprinkler Heads - (88 companies)
    ...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 of an automatic fire sprinkler system. Standards. Fire sprinkler heads...
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  • Diodes-Image
    Diodes - (752 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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    Hydraulic Valves - (697 companies)
    Hydraulic 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...
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    Gas Valves - (524 companies)
    ...requirements. Gas valves are available in most of the basic valve technologies such as ball, butterfly, plug, needle, and various check valve designs. They are used in many industrial, commercial and residential applications for on/off, modulating, and control...
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    Globe Valves - (776 companies)
    ...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, no external power is required...
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    Butterfly Valves - (1246 companies)
    ...have the center of rotation moved back from the centerline of the valve disc. The design relies on a frictional interference seal between the seal and seat which are designed conically and on center. It is best applied to soft seated valves. Double...
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    Ball Valves - (2080 companies)
    ...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 rotation. Position indicators- Piston indicators are placed on the top...
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