Where would adouble checkvalve be used

Burner circuit contacts open after 15 second delay in a low water condition. Delay prevents short cycling caused by momentary fluctuations in the boiler water ...

Double checkvalve for sprinkler system

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M200 and M200N Stainless steel double check valves assemblies is constructed for fire systems with a high flow requirement to prevent backflow into the drinking water supply.  These are designed with a compact housing.  This testable device features stainless steel housing and sleeves as well as minimal pressure loss through the double check valve device.  The stainless steel construction is 70% lighter than standard designs.  Maximum pressure is 175psi.  Available in a range of sizes from 65 to 250mm.

On valves having strainers the screen should be removed and cleaned at least once every six months, more often if water conditions are bad. TO READJUST Pressure ...

Double CheckValve diagram

M200Na device is ideal for fire services manufactured to ensure high flow through the stainless steel housing.  This device has a medium hazard rating and is a testable device.  The M200Na has a maximum working pressure of 175psi and range includes sizes of 65 to 100mm.

Portable Cheaper Snow Melting Device 1.Product introduction of Snow Melting Device: This customizable snow melting device can dispense a variety of beverage ...

Rainwater harvesting is the collection, transport, and storage of rainwater to use instead of, or supplement, existing water resources.

Reliance Valves Pressure Reducing Valves (PRVs) prevent damage to heating systems, appliances and buildings by reducing high inlet pressures from the mains ...

Double CheckValveAssemblydiagram

SingleCheckValve

Double checkvalve symbol

LF2000B Double check valve series this is a testable device with a medium hazard rating. This backflow prevention device is designed to prevent backflow in portable water supplies.  The device is easily maintainable with a Lead free cast silicon copper alloy body construction.  The maximum pressure is 175psi.  Sizes range from 15 to 50mm.

Dualcheckvalve vsdouble checkvalve

2000B- FP incorporates gear operated slow closing isolation valves.   The housing contains a bronze body construction designed with a backflow prevention testable with a medium hazard rating.  Maximum pressure 175psi.  Available in 25-50mm.

1000 SS series (stainless steel detector check valve) has been constructed using a stainless steel body with flanged connections with stainless steel linkage parts.  This series is lightweight, non corrosive and can be installed either vertically or horizontally.  The maximum working pressure is 175psi.  Noted this valve is also available in lead free models.

Ames Fire and waterworks was established in 1910 manufacturing valves, fittings for all type of pipeline systems.  Ames products are used in fire protection, water work markets and irrigation systems.  Specialises stainless steel backflow preventers and other products including fire protection and irrigation.

Max Temp: 250 F Max pressure: 200 PSI Brass.

2000SS Double check valve assemblies is designed to prevent the backflow of potentially contaminated water entering the drinking supply.  This valve is ideal to be retro fitted into an existing fire service.  This backflow prevention device is testable with a medium hazard rating.  Maximum working pressure 175 psi.  Available sizes 65-300mm.

Double check valve 1000 series is a 1000DCV detector check valve used predominately in fire protection applications.  The valve is fitted with a detector to check unauthorised use of leakage in the water system.  There are two options:

3000BM1/3000BM1-FP is a bronze body construction detector assembly double check valve.  This valve is primarily used in fire sprinkler systems. Designed with a low usage water meter to read the unauthorised use of fire systems.  Protects against possible back siphonage and back pressure.  This is a testable device with a medium hazard rating and a maximum pressure of 175psi. Available only in 50mm size.

The convex diaphragm will maintain the valve in a closed position even when there is no air pressure present. This feature will stop water from leaking through ...

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Double check assemblykit

2000B device is constructed of a bronze housing that is easily maintained and serviceable.  Designed for medium hazard use.  The backflow prevention device is fitted with test points to ensure correct working with a medium hazard rating.  Maximum pressure 175psi.  Available size 15-50mm.

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2019614 — Powers, a Watts brand, introduced the IntelliStation Jr. digital mixing valve — an easy-to-install smart mixing valve that connects through the ...