WIL-11720-E-02
4
PR860 Bolted Metal
SECTION 1
WARNING:
Always wear safety glasses when operating
a pump to avoid eye injury. If diaphragm rupture occurs,
material being pumped may be forced out of the air
exhaust.
CAUTION:
Do not apply compressed air to the exhaust
port
–
pump will not function.
CAUTION:
Do not over-lubricate air supply
–
excess
lubrication will reduce pump performance. Pump is pre-
lubed.
TEMPERATURE LIMITS:
Acetal
-29° C to 82° C
-20° F to 180° F
Buna-N
-12° C to 82° C
10° F to 180° F
Geolast
®
-40° C to 82° C
-40° F to 180° F
Neoprene
-18° C to 93° C
0° F to 200° F
Nordel EPDM
-51° C to 138° C
-60° F to 280° F
Nylon
-18° C to 93° C
0° F to 200° F
PFA
-7° C to 107° C
45° F to 225° F
Polypropylene
0° C to 79° C
32° F to 175° F
Polyurethane
-12° C to 66° C
10° F to 150° F
PVDF
-12° C to 107° C
10° F to 225° F
Saniflex
-29° C to 104° C
-20° F to 220° F
SIPD PTFE with EPDM-backed
4° C to 137° C
40° F to 280° F
SIPD PTFE with Neoprene-backed
4° C to 93° C
40° F to 200° F
PTFE*
4° C to 104° C
40° F to 220° F
FKM
-40° C to 177° C
-40° F to 350° F
Wil-Flex
-40° C to 107° C
-40° F to 225° F
*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. See
“
Wilden
Pump Designation System
”
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:
Pump surfaces may exceed 80° C (176° F),
contact will result in burns, scalds, and other injuries.
Surface temperature is dependent on the temperature of
the process fluid.
CAUTION:
Prevent static sparking. If static sparking
occurs, fire or explosion could result. Pump, valves and
containers must be grounded to a proper grounding point
when handling flammable fluids and whenever discharge
of static electricity is a hazard.
CAUTION:
Maximum temperature limits are based on
mechanical stress only. Certain chemicals will reduce
maximum safe operating temperatures significantly.
Consult the Chemical Resistance Guide for chemical
compatibility and temperature limits.
CAUTION:
All Wilden pumps are capable of passing
solids. Use a strainer on the pump intake to ensure that
the pump's rated solids capacity is not exceeded.
CAUTION:
Do not exceed 8.6 bar (125 psig) air supply
pressure.
CAUTION:
Do not exceed 82° C (180° F) air inlet
temperature for all models.
CAUTION:
The process fluid and cleaning fluids must be
compatible chemically with all wetted pump components.
CAUTION:
Before attempting any maintenance or repair,
disconnect the compressed air line to the pump and allow
all air pressure to bleed from the 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. Be aware of any hazardous effects of
contact with your process fluid.
CAUTION:
Thoroughly flush pumps before installing
them into process lines. Clean and/or sanitize FDA- and
USDA- approved pumps before using them.
CAUTION:
Before attaching the air line to the pump, blow
out the air line for 10 to 20 seconds to make sure all
pipeline debris is clear. Use an in-line air filter. A 5µ
(micron) air filter is recommended.
CAUTION:
Pro-Flo R pumps can be used in submersible
applications when using the Pro-Flo R submersible
option.
CAUTION:
Before installation, tighten all hardware.
NOTE:
Materials of construction and elastomer material may
influence suction lift parameters. Please refer to
“
Performance
”
for specifics.
NOTE:
When installing PTFE diaphragms, it is important to
tighten outer pistons simultaneously (turning in opposite
directions) to ensure tight fit. (See
“
Maximum Torque
Specifications
”
).
NOTE:
Some PTFE-fitted pumps come standard from the factory
with expanded PTFE gaskets installed in the diaphragm bead of
the liquid chamber. PTFE gaskets cannot be re-used.
NOTE:
In the event of a power failure, close the shut-off valve if
you do not want the pump to restart when the power returns
.
NOTE:
The Safety Supplement document is a part of the
manual. Please refer to the Safety Supplement document for a
complete list of safety considerations including considerations for
safe operation and maintenance of pumps marked for ATEX
environments before starting the pump.
PRECAUTIONS
– READ FIRST!
