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  Home > Oberdorfer Pumps > Ductle Iron Pumps >

Oberdorfer Gear Pump, 1/2 ports Model# C993M5E5
Oberdorfer Gear Pump, 1/2 ports Model# C993M5E5
 
List Price: $849.44
Our Price: $606.74
You save $242.70!


Availability: In Stock, Usually Ships in 24 Hours
Product Code: C993M5E5

Description
 
Oberdorfer Gear Pump, 1/2 ports Model# C993M5E5
Product Information

Tailored specifically for wear resistance and long life in lubricating fluid service. They are designed to handle a wide range of fluids at temperatures to 200°F, at pressures up to 150 psi, and at shaft speeds to 1750 RPM. Viscous liquids require reduced shaft speeds. Standard Lubricating Fluid Service: Shafting is 303 stainless steel, gearing is ferrous (optional 416SS gears). Rugged ductile iron housings. High grade carbon-graphite bushing style bearings are used. The Standard Mechanical Shaft Steel is a stainless cased Nitrile elastomer bellows and oring with carbon and ceramic wear faces. An optional fluoroelastomer mechanical seal with carbon and ceramic wear faces is also available. Recommended liquid temperature range is 32oF to 200oF.

As with all external gear rotary pumps which operate based upon close running clearances, the presence of solid particles and abrasives can lead to premature wear and damage. Use suction screens or start-up strainers when necessary.

FEATURES

  • Ductile Iron Construction
  • Stainless Steel Shafts
  • Ferrous Gears (Optional 416 Stainless Gears)
  • Nitrile Mechanical Seal (Optional fluoroelastomer or EPDM Mechanical Seal)
  • Process Lubricated Carbon Bearings
  • O-Ring Cover Seal For Maximum Leak Protection
  • Durable Paint Finish
  • Easy Field Assembly to a Variety of Motor Frames
  • Compact Dimensions

DRIVE

These close-coupled pumps mount directly to a full range of NEMA and IEC C-face motors by means of a suitable adapter bracket. The clamp style cover also allows adapter less close coupling to modified 48 Frame 1/3rd and 1/2 HP motors. The pump drive shaft is connected to the motor shaft by a flexible coupling. Complete pump and motor units are available.

LIQUIDS & TEMPERATURES

These pumps are suitable for all liquids that are compatible with bronze. Most common liquids are water, oil, and mild chemicals in the pH-range of 4 to 11. Viscous liquids require reduced shaft speeds of 1150 RPM or lower. Consult factory. Liquids containing solids, abrasives, powders or paint pigments are definitely not recommended for gear pumps. If abrasives are unavoidable, use a very low shaft speed. The recommended liquid temperature range is 32oF to 140oF for longest pump life. If more extreme temperature conditions exist, our factory should be consulted. Freezing of water-filled pumps can cause damage and must be avoided. Oils at low temperatures are very viscous requiring a lower speed or extra power.

SUCTION LIFT

Whenever possible, place the pump at an elevation below the liquid source. However since these positive displacement external gear pumps will generate 20" HG lift, this is not a requirement. As a general rule, place the pump as close to the liquid source as possible. For a first start-up, the pump should be primed to avoid dry running. Minimum size of the suction pipe is the size of the pump inlet port. For longer suction lines (over 3 feet), the pipe size should be at least one size or two sizes larger than the pump inlet port.

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