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OBERDORFER 401M-02 Flexible Impeller Pump

OBERDORFER 401M-02 Flexible Impeller Pump

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OBERDORFER 401M-02 Flexible Impeller Pump

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Oberdorfer - 401M-02 Flexible Neoprene Impeller Pump. Pipe Size 1" - 36 GPM - Mechanical Seal Type - 7 lbs Weight. All bronze construction corrosion resistance. Ideal for marine service. Extra Capacity Ball Bearings plus rugged construction for prolonged service life. High chrome nickel stainless steel shaft. Large suction and discharge ports.

Part Number: 401M-02
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OB 401M-02

$888.30

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Oberdorfer - 401M-02 Flexible Impeller Pump - 36 GPM - 7 lbs weight - Mechanical Seal Type

401M-02

These Flexible Impeller pumps are made of high quality bronze of maximum corrosion resistance. All shafts consist of stainless steel grade 303. Top of the line models have ball bearings and mechanical seals while others have bronze or carbon bearings and lip type seals. Impellers are made of Neoprene Rubber. Nitrile impellers are available as an option. 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 machined in cam located inside the pump chamber.

Features

  • Bronze Construction - Corrosion Resistance
  • Large Suction and Discharge Ports
  • Polytetrafluoroethylene (PTFE) Barrier Seals Protecting Ball Bearings
  • Mechanical Carbon Ring, Ceramic Face Main Pump Seal Standard
  • Two Sealed Ball Bearings Spaced for Maximum Load Ability
  • Large Vent & Drain Openings Separate Seal & Bearing Areas
  • Shaft Slinger for Additional Bearing Protection
  • Neoprene Impeller Standard, Nitrile Impeller Optional (Both are Spline Drive)
  • High Chrome Nickel Stainless Steel Shaft
  • Extra Capacity Ball Bearings plus Rugged Construction for Prolonged Service Life
  • Impeller Easily Replaced
  • Machined in Cam
  • Nitrile O-ring Between Body and Cover Eliminates Gasket Problems
  • Electric Clutch Options

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 the 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 180°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, or Dowgard.

Drive 

Either direct drive with flexible coupling or pulley drive can be used. Make sure both flexible coupling halves are properly aligned. When using pulley, do not over-tighten belt.

Direction of shaft rotation determines inlet and outlet ports. (see line drawing)

Pump will operate satisfactorily when mounted in any position. DO NOT RUN DRY. Rubber impeller pumps generate high rubbing friction unless lubricated by liquid pumped. Lack of liquid will cause impeller to burn up.

Suction Lift

Suction lift of 15 feet is possible when impeller is wet. Suction lines must be air tight in order for pump to self-prime. A foot valve at beginning of suction line is recommended.

Performance

401M-02

Dimensions

oBERDORFER 401M-02


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