Principle Function Of The Components; Vacuum Regulator; Measuring Tube; Rate Valve - Grundfos VGA-113-110 Instrucciones De Instalación Y Operación

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2.5 Principle function of the components

Gas Dosing System

Rate Valve

Differential
pressure
regulator
Measuring
tube
Vaccum
meter

Injector

Fig. 12 Components of a chlorinator

2.5.1 Vacuum regulator

Reduces the gas pressure (overpressure) to subatmospheric
pressure (vacuum)

2.5.2 Measuring tube

Displays the gas flow
2.5.3 Rate valve
For adjustment of the required gas flow
– manually or automatically

2.5.4 Differential pressure regulator (Option: VGA-117)

Regulates the difference of the pressures before and after the
rate valve to a constant value
– Adjusted dosing flow stays constant even when the injector
vacuum varies.

2.5.5 Vacuummeter (Option: VGA-117)

– Displays the injector vacuum
2.5.6 Injector
– Creates the vacuum necessary for operating the pant
– Mixes the chlorine gas with the water
10
Chlorine gas
Vacuum regulator
Motive water
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