INTRODUCTION
THE
“
mody”
MOTOR DRIVEN PORTABLE SUBMERSIBLE PUMPS HAVE BEEN DEVELOPED DUE TO
A LONG FELT NEED OF HAVING A TRULY MAINTENANCE FREE PUMPSET FOR VARIOUS
APPLICATIONS. THE PUMP IS A LIGHTWEIGHT, COMPACT UNIT ENABLING IT TO BE USED IN
MOST SEA-CRAFT AND DIFFICULT LAND INSTALLATIONS. THE UNIT CONSISTS OF A
VERTICAL CENTRIFUGAL PUMP WITH AN IN-BUILT SPLIT CAPACITOR START SQUIRREL CAGE,
INDUCTION ELECTRIC MOTOR WHICH IS AVAILABLE FOR VARIOUS ELECTRIC SUPPLY
CONFIGURATIONS. THE PUMPED WATER IS USED AS A COOLING MEDIUM WHICH COOLS THE
ELECTRIC MOTOR. THE PUMPSET CAN ALSO BE USED IN ANY POSITION THUS MAKING IT
IDEAL FOR DEWATERING IN DIFFICULT LOCATIONS.
THE SERVICE LIFE OF A SUBMERSIBLE PUMP DEPENDS MAINLY ON TWO THINGS: THE
DEPENDABILITY OF THE SEALING SYSTEM AND THE WEAR RESISTANCE OF THE PUMP WEAR
PARTS.
ALL
“mody”
SUBMERSIBLE SUMP PUMPS INCORPORATE A UNIQUE SEALING SYSTEM. THE
CONSTRUCTION CONSISTS OF DOUBLE MECHANICAL SEALS,IMMERSED IN AN OIL BATH. THE
COMPLETE PACKAGE IS A PRESSURE COMPENSATED SEALING DEVICE WHICH ENSURES A
MINIMAL PRESSURE DIFFERENTIAL ACROSS THE SEAL FACES, IRRESPECTIVE OF THE DEPTH
SETTING OF THE PUMP OR THE HEAD AGAINST WHICH THE PUMP IS OPERATING.
IN
“mody”
SUBMERSIBLE SUMP PUMPS, ALL WEAR PARTS ARE READILY REPLACEABLE AS
NEEDED. BOTH WEAR AND ELECTRICITY CONSUMPTION ARE STILL FURTHER REDUCED WHEN
THE PUMPS ARE FITTED WITH BUILT-IN LEVEL CONTROLS FOR AUTOMATIC STARTING AND
STOPPING.
IT IS HOWEVER RECOMMENDED THAT IRRESPECTIVE OF TYPE OF PUMP, ADEQUATE
MOTOR PROTECTION SWITCHGEAR SHOULD BE USED AT THE INSTALLATION. WE STRONGLY
RECOMMEND THE USE OF SUITABLE CONTROL PANELS WHICH ARE AVAILABLE FROM US
INCORPORATING ALL REQUIRED PROTECTION DEVICES.
IT IS IN THE INTEREST OF THE USER THAT HE GO THROUGH THIS MANUAL IN DETAIL
PRIOR TO USING THE PUMP. THE MANUAL WILL HELP HIM UNDERSTAND THE CONSTRUCTIONAL
FEATURES AND TO OBTAIN TROUBLE FREE SERVICE FROM THE PUMP.
PURPOSE:
THE PUMP HAS BASICALLY BEEN DESIGNED AS A PLUG-IN EWATERING UNIT TO PUMP OUT
FLOODED INSTALLATIONS OR ANY CONDITIONS THAT NEED DEWATERING OF UNWANTED
FLUIDS. THE PUMP HAS BEEN DESIGNED TO HANDLE WATER CONTAMINATED WITH OIL AS
WELL AS ABRASIVE PARTICLES NORMALLY ASSOCIATED WITH RAW WATER. THE MAXIMUM SIZE
OF PARTICLES THAT CAN BE HANDLED IS APPROX. 1/4”.
THE MAXIMUM SPECIFIC GRAVITY
OF THE PUMPED FLUID SHOULD NOT EXCEED 1.1.
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