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  • Single Detector Check Valve
    The Zurn Wilkins 310 Single Detector Check Valve prevents the reverse flow of non-hazardous substances into the water supply The 310 is used to protect upstream equipment, and is not adequate for low or high hazard backflow prevention
  • INSTALLATION, OPERATION MAINTENANCE MANUAL 2-1 2” - 12 . . .
    The Double Check Valve (DC) device consists of two independently-acting, spring-loaded check valves Two resilient seated shut-off valves and four test cocks complete the assembly Each check is designed to maintain a minimum of 1 psi across the valve during normal operation
  • Double Check Detector Assemblies - Watts
    Double Check Detector Assemblies are designed to prevent backflow of non-health hazard substances from being pumped or siphoned into the potable water supply Certain models have a meter to detect ground leaks and unauthorized illegal taps Available in multiple configurations and material construction
  • Spring 2016 Understanding Detector Assemblies
    check valve assemblies A single check valve assembly separate from the main line assem-bly of a DCDA-II or RDPA-II is not considered a sufficient means of backflow prevention A single check valve assembly in combination with a USC approved mainline assembly and a water meter make up a USC approved DCDA-II or RPDA-II
  • Model EDCIV - Mueller Systems
    DESCRIPTION: HERSEY Model EDC IV Check Valves consist of a spring loaded main check valve (available with optional trim kit and bypass meter) The Model EDC IV prevents water from re-entering the potable water system, while detecting leaks in the fire sprinkler system or unauthorized use of
  • Installation, Operation, IOM-A-BPA Maintenance and Parts . . .
    Series 2000DCA (Double Check Valve Assembly) is used to prevent backflow of aesthetically objectionable but not toxic contaminants into the main water supply The assembly consists of two independently operating in-ternally spring loaded check valves, two shutoff valves and four test cocks
  • Double Detector Check - RMC
    Detector Check The Double Detector Check Valve Assembly backflow preventer protects against backflow, by either back-pressure or back-siphonage, from a cross-connection between potable water systems and substances, in ‘medium hazard’ conditions It is designed for use in fire service systems and allows monitoring of small draw-offs of water via
  • Detector Check Valve
    The check valve shall be spring loaded and accessible for maintenance without removing the device from the line The Detector Check Valve shall be a ZURN WILKINS Model 310
  • Single Detector Check Valve Specification Sheet Flomatic . . .
    It shall consist of one (1) spring-loaded, center stem, guided check valve The device shall have a cast ductile iron body, with a single access cover utilizing a grooved pipe coupling
  • Double Check Detector Assemblies - Watts
    Install valve in the line with arrow on valve body pointing in the direction of flow For indoor installations, it is important that the valve be easily accessible to facilitate testing and servicing Do not install in a concealed location CAUTION





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