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Oberdorfer 101B Discontinued Helical Rotor Pump

 Product Details Page:
Pump Body: All Bronze or Corrosion Resistant Aluminum Construction
Ports: 3/4" NPT
Flow: 8.5 GPM Max
Pressure: 100 PSI Max
Stator / Rotor: Buna Stator and Stainless Steel Rotor
Shaft Seal: Carbon Face Mechanical Seal
Motor / Drive: Easily Mounted to a 56 Frame Motor or 56C for explosion-proof motors. We can supply motors and assemble if required.


The turning of the helical shaped rotor within the stationary stator creates a progressing cavity similar to a moving piston. Liquid is thus displaced generating a pumping action. Unlike piston pumping, extremely high pressure cannot be created because the stator is made of Buna N and is flexible. Because of this flexibility contaminated liquids can be handled. Close fit of the rotor within the stator permits lifting of liquid on the suction side as high as 20 ft. High starting torque motors are recommended in order to overcome the high starting friction of the stator. The pump is relatively quiet.

  Item Number Description Price   Qty       Order    
OB 101B
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Discontinued Helical Rotor Pump
Closest Replacement is the Oberdorfer 121 series  22

Lead Time:  Discontinued.
$0.00 Discontinued  
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