Prochem Peak GTX User Manual download pdf (Page 30)

Operations

Chemical Injection System

The chemical injection system is unique in that it

utilizes the pressure spikes generated by the high-

pressure solution pump to move chemical into the main

solution stream. The high pressure spikes move the

diaphragm in the chemical pulse pump forcing small

amounts of liquid chemical to be moved in a single

direction of flow with the aid of two check valves.

The chemical is drawn from the container, and through

the flow meter, which indicates rate of flow. The

chemical then moves to the chemical pulse pump

where it is pressurized.

The chemicals flow to the chemical selector valve,

which can turn off the chemical flow or when set to

"Prime" sends it into the waste tank to purge air from

the system, or when "CHEM" the chemical can be

directed to the metering valve. The metering valve

controls the amount of chemical that enters the solution

outlet manifold.

The manifold assembly's check valve will not allow the

chemicals to travel upstream into the plumbing system

of the unit. The chemicals are mixed there with hot

pressurized water that makes a cleaning solution. The

flow setup valve is set to "Setup" while adjusting the

chemical mix. This causes incorrectly mixed solution to

safely drain to the waste tank until the manifold has the

correct solution mix. Setting to "CHEM" lets the solution

flow to the outlets for cleaning.

86325860 PEAK GTX PROCHEM

WASTE

TANK

SOLUTION

OUTLETS

SOLUTION

OUTLET

MANIFOLD

CHEMICAL

METERING

VALVE

PRESSURIZED

HOT WATER

CHEMICAL

CONTAINER

CHEMICAL FLOW

CHEMICAL PRIME

SOLUTION FLOW

CHECK

VALVE

CHEMICAL

PUMP

INLET

STRAINER

FLOWMETER

CHECK

VALVE

CHEMICAL

SELECTOR

VALVE

FLOW SETUP

VALVE

CHEMICAL

CHECK

VALVE

SOLUTION

SCREEN

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 139 140

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Prochem Peak GTX User Manual Page 30

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