WSP™
DATA SHEET
WSP™ SELF-PRIMER PUMPS
WSP-D300_6
Rev. 3
01/09/20
© 2019 The Factory
48
WSP™ ARVs offer low maintenance and high levels of dependability. For
more information, see the WSP™ ARV in this section for information on its
operation and installation. Contact your local WSP™ distributor or the factory
to select a WSP™ ARV that fits your application.
When installation of a WSP™ Self-Primer (WSP) Pump involves submerged
suction such as those in underground applications, Weir Specialty Pumps
advises installing a pipe union and manual shut-off valve in the bleed line.
This allows service staff to maintain the valve without being required to shut
down the station. This also minimizes any chance of flooding. A full opening,
ball-type valve that prevents solids from plugging the line must be used in
applications where a manual shut-off valve is located
anywhere
in the air
release piping.
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SEVERE INJURY.
WHEN A MANUAL SHUT-OFF VALVE IS INSTALLED IN A BYPASS LINE, IT MUST
REMAIN OPEN DURING OPERATION. CLOSING THE MANUAL SHUT-OFF VALVE
COULD CAUSE A PUMP, WHICH HAS LOST PRIME, TO CONTINUE TO OPERATE
WITHOUT REACHING PRIME. THIS COULD CAUSE DANGEROUS OVERHEATING OF
THE PUMP AND POSSIBLY RUPTURE THE PUMP CASING.
BEFORE SERVICING, ALLOW SUFFICIENT TIME FOR THE OVERHEATED PUMP TO
COMPLETELY COOL. ONCE THE PUMP HAS COMPLETELY COOLED, DRAIN THE
LIQUID FROM THE PUMP BY REMOVING THE CASING DRAIN PLUG. WHEN
REMOVING THE DRAIN PLUG, USE CAUTION. FAILURE TO DO SO MAY RESULT IN
INJURY. PLATES, COVERS, GAUGES, OR FITTINGS MUST NOT BE REMOVED FROM
AN OVERHEATED PUMP. LIQUIDS IN THE PUMP CAN REACH BOILING
TEMPERATURES AND PRESSURE INSIDE THE PUMP CAN CAUSE PARTS TO BE
EXPELLED VIOLENTLY.
G. WSP™ AUTOMATIC AIR RELEASE VALVE (WSP™ ARV)
The WSP™ ARV allows air release through the bypass line.
If
the WSP™ ARV is
installed and set correctly to the appropriate hydraulic operating specifications for
your application, the WSP™ ARV then closes automatically when the pump is
completely primed and operating at full capacity.
Part Number
ARV Minimum Required Pressure
0730059-3
6 psi
0730059-4
10 psi
0730059-5
24 psi
NOTE:
ARV pressure is based on the gauge pressure seen at discharge of pump.
Summary of Contents for WSP-6
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