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Float valves automatically maintain a desired level of proportioned mixture in any drum, tank or other type of reservoir. DEMA uses magnetically activated “snap acting” float valves that provide full water flow at 2.5 gpm, 4 gpm and 22 gpm to activate the chemical proportioners and a water valve only that fills reservoirs at up to 64 gpm. DEMA’S float valve systems are ideal for car washes, carpet cleaning machines; rapid filling of totes and anywhere a large volume of chemical or water is needed.

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Brochure

440 SeriesInstruction Sheet

440N Series Instruction Sheet

437P-21 Instruction Sheet

437PNInstruction Sheet

Watch Guard Reservoir Mounted Float Valve Systems

WATCH GUARD™ is the reservoir-mounted float valve system designed to cut service and maintenance costs. Watch Guard delivers reliable water valve activation every time with superior features for greater reliability. The float is filled with water soluble material instead of the standard system-clogging sand. The 90° chemical barb rotates 180° to ensure the chemical pick-up tube does not kink. And metering tips screw in, ensuring proper installation and no damage during maintenance. A number of different models are available for different fill rates and chemical induction. 

 

Model No.
Induction Rates
Flow Rate— (GPM @ 40 PSI)
Backflow Protection
Mounting Bracket
min
max
Chemical Induction Systems
440.22T
430:1
4:1
4.0
No
Yes
440.22TX
430:1
4:1
4.0
No
No
440.23T
430:1
4:1
4.0
Action Gap
Yes
440.23TX
430:1
4:1
4.0
Action Gap
No
440.32BT
387:1
7:1
4.0
Action Gap
Yes
440.24
195:1
2:1
2.5
Action Gap
Yes
437P.21
512:1
10:1
22.0
Siphon Breaker
Yes
Water Fill Systems
440N
N/A
N/A
6.0
N/A
Yes
440NX
N/A
N/A
6.0
N/A
No
437PN
N/A
N/A
64.0
N/A
Yes
437PNX
N/A
N/A
64.0
N/A
No

Solénoides, injecteurs et lavage à pression

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