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OBERDORFER 406M-04 Flexible Impeller Pump - Head Only
Oberdorfer - 406M-04 Flexible Impeller Utility Pump - Head Only. 21 GPM - Mechanical Seal Type - 6 lbs Weight. All bronze construction corrosion resistance. Ideal for marine service. Stainless Steel Shafts.Easy Impeller Replacement. Portable and compact. Vacuum Switch Shut-off Optional.
Part Number: 406M-04
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Part Number: 406M-04
Free US Shipping.
Reference: OB 406M-04
$943.58
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Oberdorfer - 406M-04 Flexible Impeller Utility Pump Head - 21 GPM - 6 lbs weight - Mechanical Seal Type
Close-coupled Flexible Impeller Pumps are made of high quality bronze for maximum corrosion resistance.
The rubber impeller is either directly attached to the stainless steel motor shaft or the impeller is mounted on a separate stainless steel shaft, which is counter bored on the outer end in order to slide over the carbon steel motor shaft. Ball or sleeve bearings in the motor support the shaft. Model 406M has a mechanical seal. Impellers are made of Neoprene rubber, Nitrile impellers are available on request. Flexible blades on the periphery of the impeller provide the pumping action. While the impeller rotates, the liquid between the blades is continuously squeezed out into the discharge port by a cam located inside the pumping chamber. The flow may be throttled or shut off for a short period without the need of a relief valve.
Features
- All Bronze Construction
- Stainless Steel Shafts
- Portable
- Compact
- Easy Impeller Replacement
- Macerator Easily Replaced
- Reversible Wear Plate
- Vacuum Switch Shut-off Optional
Liquids and Temperatures
Liquids handled by Rubber Impeller Pumps with standard Neoprene impellers are primarily fresh or salt water and water solutions. Rubber Impeller Pumps are not suitable for pumping gasoline or solvents. Nitrile impellers can handle oil contaminated water and kerosene at reduced impeller service life.
Liquid temperature range is from 40°F to 180°F. If freezing conditions are expected, the pump should be drained by loosening the cover screws and the pump chamber should be filled with antifreeze. Viscous liquids and oils cannot be pumped with Rubber Impeller Pumps.
Drive
Close coupled Rubber Impeller Pumps are mounted directly onto the electric motor without the use of a shaft coupling. This pump is coupled to a standard motor with Nema C flange. It uses a bronze adapter plate to accommodate the pump.
Suction Lift
On initial start-up, Rubber Impeller Pumps must be primed to prevent dry-running of the impeller. DO NOT RUN DRY. Suction lifts of 15 feet are possible when pump is fully primed. A foot valve with built-in strainer at the beginning of the suction line is recommended. Suction lines should be as short as possible.
Performance
Dimensions
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