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  Home > Oberdorfer Pumps > Helical Rotor Pumps >

Oberdorfer Helical Rotor Pump Model# 101B-M51
Oberdorfer Helical Rotor Pump Model# 101B-M51
 
List Price: $1,986.00
Our Price: $1,714.56
You save $271.44!


Availability: In Stock, Usually Ships in 24 Hours
Product Code: 101B-M51

Description
 
Oberdorfer Helical Rotor Pump Model# 101B-M51

These pump housings and mounting brackets are made from cast aluminum or bronze alloy. The rotor is made from stainless steel with a hard chrome plate for improved wear properties. The stator is made from molded Nitrile. The mechanical seal is a carbon and ceramic mechanical rotary face type for positive sealing.

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 Nitrile and is flexible. Because of this flexibility contaminated liquids can be handled. High starting torque motors are recommended in order to overcome the high starting friction of the stator. The pump is relatively quiet.

FEATURES

  • All Bronze or Corrosion Resistant Aluminum Construction
  • Easily Mounted in Field to Your Own 56 Frame
  • Motor & 56C For Explosion-Proof Motors
  • Carbon Face Mechanical Seal
  • Quiet Running
  • Can Handle Contaminated Liquids
  • Nitrile Stator and Stainless Steel Rotor

DRIVE

ELECTRIC MOTOR MOUNTING

This pump is supplied close coupled to electric motor or as a pump alone complete with attaching parts and instructions for mounting. Any 56 frame electric motor (or 56C frame) with 5/8 inch shaft diameter, 1725 R.P.M. and of horsepower rating as listed can be used. The motor can be rigid or resilient mounted, sleeve or ball bearings, 50oC rise, capacitor start, counter-clockwise, rotation from shaft end. (For Gas Engine version, see models 111-UGY/111B-UGY) (FOR PERFORMANCE AT REDUCED MOTOR SPEEDS, SEE MODEL 121/121B)

LIQUIDS & TEMPERATURES

The corrosion resistant alloys used are compatible with common liquids including water, water solutions, oils and many commercial chemicals. Severe solvents are not compatible with the Nitrile and should not be pumped.

SUCTION LIFT

Close fit of the rotor within the stator permits lifting of liquid on the suction side as high as 20 ft.

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