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OBERDORFER 119MP Centrifugal Pump

OBERDORFER 119MP Centrifugal Pump

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OBERDORFER 119MP Centrifugal Pump

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Oberdorfer - 119MP Centrifugal Pump - Head Only. Inlet 1 1/4" - Outlet 1" - Mechanical Seal Type - 90 GPM - 12 lbs Weight. Rudge bronze construction. The mechanical seal is a carbon and ceramic mechanical rotary face type for positive sealing. The stator is made from molded nitrile. Quiet operation.

Part Number: 119MP
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OB 119MP

$716.40

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Oberdorfer - 119MP Centrifugal Pump - Head Only - 90 GPM - Inlet 1 1/4" - Outlet 1"

119MP PUMP

Oberdorfer™ centrifugal pumps have a single rotating metal impeller. Liquid enters at the center and is thrown outward radically by centrifugal force. The impeller is not in contact with other pump parts resulting in quiet, efficient, pumping action. The flow produced is not positive which permits the discharge line to be shut off completely without danger of overloading motors or bursting lines. Consequently a relief valve is not required. The liquid flow varies directly as the pump speed-the higher the speed the greater the flow. Horsepower required varies directly as flow and pressure. Maximum horsepower is required with a wide open discharge line. This is the point of maximum flow. With a throttled discharge, the flow decreased at a greater rate than the pressure increases hereby requiring less horsepower at the higher pressures. This is known as an “unloading” feature of the pump.

Silent, efficient, centrifugal pumping is ideal for convenient equipment location in offices, laboratories, public areas, and living quarters. Long trouble-free service life has made centrifugal pumps acceptable for industrial uses or wherever clean or contaminated liquid is to be transferred or handled.

Features

  • Rugged Bronze Construction
  • Quiet Operation
  • O-Ring housing seal eliminates gasket problems
  • Mechanical Seal Nitrile- standard; fluoroelastomer (S10) optional
  • Designed for Pulley Drive
  • Stainless Steel Shaft is Standard
  • Nickel Alloy Shaft (119MP-01) optional
  • Independent Sealed Ball bearings
  • No Bearing Lubrication required- the ball bearings are grease sealed for life requiring no maintenance
  • Handles contaminated liquids
  • Discharge port orientation flexibility - 8 positions

Liquids and Temperatures 

Bronze pumps are suitable for most common liquids in the PH-range from 4 to 11. The temperature limit for bronze pumps is 212°F, higher temperatures are possible with fluoroelastomer seals. If in doubt, consult factory. Because centrifugal pumps are more efficient at higher shaft speeds, pumping of viscous or thick liquids is difficult. It is possible to lose as much as 40% pump performance when attempting to pump liquids of viscosity equal to S.A.E. 30 oil at room temperature. S.A.E. 30 oil at room temperature has a viscosity of 2000 Saybolt Seconds Universal. More viscous liquids are not recommended for centrifugal pumps.

Drive

The pedestal centrifugal pumps can be direct driven by electric motors at either 3450 R.P.M. or 1725 R.P.M. Performance for both speeds is listed in the capacity chart above. The 119MB pedestal centrifugal pumps can be pulley driven at any desired intermediate speed.

Suction Lift

This centrifugal pump is not self priming. Normally these pumps must be installed below the liquid level so that the liquid flows to the pump by gravity. However, if a foot valve is used at the beginning of the suction line and all air is bled from the suction line and pump by careful manual priming, these pumps will lift liquid on the suction side up to 15 feet. Such a system is only as positive as the ability of the foot valve to seal and keep the suction line and pump full of liquid. If the foot valve should leak, the pump will not prime.

Shaft Seal Options

Mechanical Shaft Seals have Nitrile rubber components (212°F max) as standard. For temperatures up to 400°F, a fluoroelastomer seal must be selected by adding code S10 to the pump number.

Performance

119MP Pump

Dimensions

Oberdorfer 119MP



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