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Oberdorfer

\nOberdorfer Pumps has been manufacturing high-quality, dependable\npumps for over 100 years. We manufacture gear pumps, centrifugal\npumps, rubber impeller pumps, progressive cavity pumps, and roller\npumps. Positive displacement BRONZE gear pumps. Little flow\ndecrease with pump pressure increase. Flow increases with speed\nincrease. Flow from 1-175 GPM (3 - 662 LPM)and pressures from 0-150\nPSI (0 - 10.3 BAR). Pump housings and gears are made of top quality\nbronze, shafts are 303 stainless steel. Bearings are designed of\nhigh performance carbon-graphite material selected for wear\nresistance and long service life. Gear pumps are positive\ndisplacement pumps. Each shaft revolution displaces a definite\namount of liquid relatively unaffected by the back pressure in the\ndischarge line. Shaft speed and flow are directly proportional.\nRecommended pressure limits are 50 PSI for water and\nnon-lubricants, 75 PSI for oil and other lubricants.The maximum\nshaft speed is 1725 RPM. As a general rule, the suction lift should\nbe kept at an absolute minimum by placing the pump as close to the\nliquid source as possible. A gear pump in new conditioncan lift 20\nfeet of water in the suction line. A foot valve (preferably with\nbuilt-instrainer) is recommended at the beginning of the suction\nline. For a first start-up, thepump should be primed to avoid dry\nrunning. Minimum size of the suction pipe is thesize of the pump\ninlet port. For longer suction lines (over 3 feet) or for\nviscousliquids, the pipe should be at least one size or two sizes\nlarger than the pump inletport.\n\n

Oberdorfer

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  1. Oberdorfer

    N991 Oberdorfer PUMP & MTR.

    N991-F41

    Glycol circulation Pump by Oberdorfer is just one of hundreds of applications. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selec...
    1/2HP 115
  2. Oberdorfer

    N991 Oberdorfer Bronze gear pump & motor

    N991-32F41

    Oberdorfer Bronze gear pump & motor. 3/8" Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long ser...
    115v 3/8"
  3. Oberdorfer

    Bronze Cooling Gear Pump w/ relief valve

    N1000R-66

    Water-cooled induction heating systems / machine cooling Pump. Bronze Pedestal Gear pump with relief valve. Often used as a coolant pump Ameritherm, Dynaflux. Pump flow is reversible.
    • Gear pumps are positive displacement pumps. Each shaft re...
    Water-cooled induction heating systems / machine cooling Pump. Bronze Pedestal Gear pump
    with relief valve. Often used as a coolant pump Ameritherm, Dynaflux. Pump flow is reversible.

    • Gear pumps are positive displacement pumps. Each shaft
      revolution displaces a definite amount of liquid relatively
      unaffected by the back pressure in the discharge line. Shaft speed
      and flow are directly proportional.
  4. Oberdorfer

    N994 12v DC Gear Pump

    N994H-H75

    12v DC Gear Pump. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    12 volt Gear ...

    1HP 12VDDC
  5. Oberdorfer

    Repair kit N991

    10640

    Oberdorfer gear pump N991R-32 Repair Kit. N991-32 overhaul kit. Includes items 3, 5, 6, 7 and 9. Older gear pumps that had a gasket instead of the newer oring need to make a replacement gasket if needed. Only a oring is now available. Pump hou...
    repair kit
  6. Oberdorfer

    Rubber Impeller Bronze Pump

    405M-04N26

    Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel shaft which i...

    115v 1HP 1" ODP
  7. Oberdorfer

    Rubber Impeller Bronze Pump

    405M-04M35

    Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel shaft which i...

    115v 3/4HP 1" TEFC
  8. Oberdorfer

    Gas Rubber Impeller Pump

    405MG-03UGY

    Gas Engine Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel sh...

    3HP engine 1"
  9. Oberdorfer

    Bronze Pedestal Gear Pump W Relief Valve

    N4000LRS3

    Bronze Pedestal Gear Pump With Relief Valve. Bronze Pedestal Gear pump. Often used as a oil pump on large ships to pre-lube the bearings, Chillers (Dynaflux) often used with welders. See performance chart for motor speed VS HP VS performance.

    • G...
    1/2" w/ relief valve
  10. Oberdorfer

    Bronze Pedestal Gear Pump

    N4000RS3

    Bronze Pedestal Gear pump. Often used as a oil pump on large ships to pre-lube the bearings. See performance chart for motor speed VS HP VS performance.
    • Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite a...
    1/2"
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