Installation Guide

FEATURES AND OPERATING CYCLES

TANK SPECIFICATIONS

1. SHELL constructed of light-weight drawn steel with

powdercoat nish that provides extra corrosion-

resistance.

2. STRONG AND FLEXIBLE BUTYL DIAPHRAGM

assures dependable tank service even with

pressures up to 150 PSI.

3. DIAPHRAGM SEAL consists of locking retainer ring

for positive separation of air and water.

4. LINING protects inner shell against rust in water

reservoir.

START-UP CYCLE

The diaphragm is pressed

against the bottom of the

air chamber

FILL CYCLE

Water is pumped into the

reservoir, which forces the

diaphragm upward into

the air chamber.

HOLD CYCLE

Pump attains cut-off

pressure. Diaphragm

reaches uppermost

position. Reservoir is lled

to capacity.

DELIVERY CYCLE

Pump remains off while

pressure in air chamber

forces diaphragm

downward to deliver

water.

Figure 1. Example of How a 30-50 PSI System Works

Figure 2. Rough-In Dimensions