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OBERDORFER 209M Macerator Impeler Pump - Head Only

OBERDORFER 209M Macerator Impeler Pump - Head Only

OBERDORFER 209M Macerator Impeler Pump - Head Only

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Oberdorfer - 209M Macerator Impeller Pump. Inlet: 2" Slip-On Hose, 1 1/2" Pipe Thread - Outler: 3/4" garden hose, 3/8" pipe thread - 9 GPM @ 2 psi - Lip Seal Type - 2 lbs Weight. All bronze construction. Macerator wheel and impeller easily replaced. Rubber motor grommets for noise isolation. Stainless Steel motor shaft.

Part Number: 209M
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OB 209M

$315.00

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Oberdorfer - 209M Macerator Impeller Pump - Head Only - 9 GPM @ 2 psi - 2 lbs weight - Lip Seal

209M

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
  • Large Vent Openings Separate Pump and Motor
  • Stainless Steel Motor Shaft
  • Motor Shaft Slinger Protects Motor Bearings
  • Rubber Motor Grommets for Noise Isolation
  • Macerator Wheel and Impeller Easily Replaced
  • Removable Base
  • 2" slip-on hose section with 1 1/2" NPT standard pipe male thread Inlet

Liquids and Temperatures 

Liquids compatible with neoprene can be pumped including fresh and salt water solutions and mild chemicals. Do not pump severe solvents or acids. When possible, flush pump with fresh water after each usage. Nitrile impellers can handle oil contaminated water and kerosene at reduced impeller service life. Extremes of cold and heat will affect impeller life. Limits of 40°F to 140°F should be observed. Do not allow liquid in pump to freeze. Drain pump by loosening cover screws. Use methyl alcohol based anti-freeze compounds such as Zerex, Shell Zone, Pyro Permanent, Permagard, Dowgard.

Seal Replacement 

If water drips from the weep hole or from the area where the shaft exits the pump, the seal is defective and must be replaced. While the slinger provides a first line of defense, prolonged running of the pump with a leaky seal can destroy the ball bearings resulting in catastrophic pump failure and engine shut-down. For seal replacement, the pump must be removed from the engine and disassembled in order to gain access to the seal area. Where mechanical seals are used, both components (stationary and rotating member) must be replaced at the same time. Lip seals must be pushed out of their press-fitted position and new seals pressed into place, using a sealant on the outside of the lip seal housing. Refer to exploded view drawings for seal location and part numbers for ordering purposes.

Suction Lift

Suction lift of 15 feet is possible when pump remains primed (2.5 feet when suction line is empty). Suction lines must be air tight in order for pump to self prime. A foot valve at beginning of suction line is recommended.

Performance

209M Pump

Dimensions

Oberdorfer 209M



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