WIL-11160-E-09
Wilden
®
11
Suggested Installation, Operation, Maintenance and Troubleshooting
This illustration is a generic
representation of an air-operated
double-diaphragm pump.
NOTE:
In the event of a power failure, the shut-off
valve should be closed, if the restarting of the pump is
not desirable once power is regained.
Air-Operated Pumps:
To stop the pump from operating in an
emergency situation, simply close the shut-off valve (user-
supplied) installed in the air supply line. A properly functioning
valve will stop the air supply to the pump, therefore stopping
output. This shut-off valve should be located far enough away
from the pumping equipment such that it can be reached safely
in an emergency situation.
Operation
The P1500 is pre-lubricated, and does not require in-line
lubrication. Additional lubrication will not damage the pump,
however if the pump is heavily lubricated by an external source,
the internal lubrication may be flushed out. If the pump is then
moved to a nonlubricated location, it may need to be
disassembled and re-lubricated as described in the
DISASSEMBLY / REASSEMBLY INSTRUCTIONS.
Pump discharge rate can be controlled by limiting the volume and/or
pressure of the air supply to the pump. An air regulator is used
to regulate air pressure. A needle valve is used to regulate volume.
Pump discharge rate can also be controlled by throttling the pump
discharge by partially closing a valve in the discharge line of the pump. This
action increases friction loss which reduces flow rate. (See Section 5.) This is
useful when the need exists to control the pump from a remote location. When
the pump discharge pressure equals or exceeds the air supply pressure, the
pump will stop; no bypass or pressure relief valve is needed, and pump
damage wil
l not occur. The pump has reached a “deadhead” situation and can
be restarted by reducing the fluid discharge pressure or increasing the air inlet
pressure. Wilden Pro-Flo
®
pumps run solely on compressed air and do not
generate heat; therefore, your process fluid temperature will not be affected.
Maintenance and Inspections
Since each application is unique, maintenance schedules may be different for
every pump. Frequency of use, line pressure, viscosity and abrasiveness of
process fluid all affect the parts life of a Wilden pump. Periodic inspections
have been found to offer the best means for preventing unscheduled pump
downtime. Personnel familiar with the pump’s construction and service should
be informed of any abnormalities that are detected during operation.
Summary of Contents for PRO-FLO P1500
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