1
4°C to 149°C (40°F to 300°F) - 13 mm (1/2") and 25 mm (1") models only.
NOTE Not all materials are available for all models. Refer to Section 2 for
material options for your pump.
CAUTION: When choosing pump materials, be sure to
check the temperature limits for all wetted components.
Example: FKM has a maximum limit of 177°C (350°F) but
polypropylene has a maximum limit of only 79°C (175°F)
CAUTION: Maximum temperature limits are based upon
mechanical stress only. Certain chemicals will significantly
reduce maximum safe operating temperatures. Consult
the Chemical Resistance Guide for chemical compatibility
and temperature limits.
CAUTION : Always wear safety glasses when operating
pump. If diaphragm rupture occurs, material being
pumped may be forced out air exhaust.
WARNING: Prevent static sparking — If static sparking
occurs, fire or explosion could result. Proper grounding of
pump, valves, and containers is critical when handling
flammable fluids or whenever discharge of static electricity
is a hazard.
NOTE: Do not exceed 5 .2 bar (75 psig) air supply for
PFA pumps.
CAUTION: Do not exceed 8 .6 bar (125 psig) air
supply on polypropylene and PVDF pumps.
CAUTION: Bolted plastic pumps are made with
plastic that is not UV-stabilized. Direct sunlight
for prolonged periods can cause deterioration
of plastics.
CAUTION: Before any maintenance or repair is
attempted, the compressed air line to the pump
should be disconnected and all air pressure
allowed to bleed from pump. Disconnect all intake,
discharge and air lines. Drain the pump by turning
it upside down and allowing any fluid to flow into a
suitable container.
CAUTION: Blow out air line for 10 to 20 seconds
before attaching to pump to make sure all pipe line
debris is clear. Use an in-line air filter. A 5µ (micron)
air filter is recommended.
NOTE : Tighten all bolts prior to installation . Fittings
may loosen during transportation. See torque
specifications on page 20.
NOTE: When installing polytetrafluoroethylene
(PTFE) diaphragms, it is important to tighten outer
pistons simultaneously (turning in opposite
directions) to ensure tight fit.
CAUTION: Verify the chemical compatibility of the
process and cleaning fluid to the pump’s component
materials in the Chemical Resistance Guide.
CAUTION: When removing the end cap using
compressed air, the air valve end cap may come out
with considerable force. Hand protection such as a
padded glove or rag should be used to capture the
end cap.
CAUTION: Do not over-tighten the air inlet reducer
bushing. Additionally, too much torque on the muffler
may damage the air valve muffler plate. Do not exceed
0 .9 N·m (8 in-lb).
NOTE : When reinstalling the outer pistons, apply two
(2) drops of Loctite
®
246 to the shaft internal threads
before the diaphragm assembly.
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