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Installation
Air Exhaust Ventilation
If pumping toxic fluids, you must vent the exhaust
away from people, animals, food handling areas,
and all sources of ignition. Follow all applicable
codes.
NOTICE
The air exhaust port is 1 in. npt(f). Do not restrict
the air exhaust port. Excessive exhaust restriction
can cause erratic pump operation.
To provide a remote exhaust:
1. Removethemuffler(U)fromthepumpair
exhaust port (K).
2. Install a grounded air exhaust hose (S) and
connect the muffler to the other end of the hose.
The minimum size for the air exhaust hose is 1
in. (26 mm) ID. If a hose longer than 15 ft (4.57
m) is required, use a larger diameter hose. Avoid
sharp bends or kinks in the hose.
3. Place a container (T) at the end of the air exhaust
line to catch fluid in case a diaphragm ruptures.
If the diaphragm ruptures, the fluid being pumped
will exhaust with the air.
A Air supply line K Air exhaust port
B
Ble
ed-type master air valve (may be
req
uired for your pump installation)
SGro
unded air exhaust hose
C Air filter/regulator assembly
T
Container for remote air exhaust
D
Master air valve (for accessories)
U
Muffler
J
Air inlet port (not visible)
3A2888A
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