Products/Services for Double Detector Check Valve

  • Check Valves-Image
    Check Valves - (1942 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 - (128 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 - (222 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 - (87 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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  • Diodes-Image
    Diodes - (753 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 - (696 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...
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    Gas Valves - (521 companies)
    ...permit flow in only one direction. Block-and-bleed, blow-off, cartridge, check, and control valves are commonly available. Diaphragm valves separate the flow of gases from the closure element. Directional valves steer flow through selected passages...
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    Globe Valves - (777 companies)
    ...is 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...
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    Butterfly Valves - (1239 companies)
    ...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 eccentric designed...
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    Ball Valves - (2068 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...
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Beswick Engineering Co., Inc.
Xiamen Landee Industries Co., Ltd.
Check-All Valve Mfg. Co.
Lee Co. (The)