Unifin Offers Cardinal Pumps for Demanding Transformer Oil Applications

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Rugged pumps perform in extreme temperatures.

Unifin's Cardinal Pump

The Hottest Name in Cooling

Unifin, http://www.unifin.com , a world-leading supplier of Cooling Equipment and Transformer oil Pumps and valves to the Power Generation and Power Transformer industries, offers its line of Transformer oil Pumps, manufactured under the company's Cardinal brand. Cardinal Pumps are the industry's only Pumps that are specifically designed to meet the demanding requirements of Transformer oil applications.

These Pumps are applied for either Transformer OEM Cooling Equipment/Pump applications or directly to electric utility/industrial Transformer end users.

To meet the extreme temperature requirements, Cardinal Pumps are rated for continuous duty operating temperature ranges from -40ºC (-40ºF) to 100ºC (212ºF). The Cardinal Pumps also have other special features for Transformer oil applications, such as the capability to permit thermo-siphon flow when the Pump is not operating, allowing natural convection even when the Pump is completely shut off.

Unifin Pumps are manufactured and remanufactured in conjunction with their wide range of Transformer oil coolers Cooling Equipment.

For long life in the field, all Cardinal Pumps offer rugged split casing design with heavy-duty class 30 cast iron used for the Pump casting, motor enclosures, impellers and volutes. Large thrust face sleeve bearings also extend life, minimize wear, and reduce maintenance. Cardinal offers three bearing types: standard sleeve bearing, the Harley™ sleeve bearing by Cardinal, and the Harley™ sleeve bearing with TecSonics™ bearing wear monitoring.

The Pumps are available in both centrifugal and axial flow designs and are designed to perform in extreme temperatures, with extra long life and very low maintenance for your Cooling Equipment.

As a result of their design, Cardinal Pumps are low maintenance and long-lasting Cooling Equipment. With no mechanical seals, repair and upkeep is reduced in utilizing two gasket seals on each Pump. Cardinal Pumps are durable and resilient as a result of a design that allows Transformer oil flow back through the motor and bearings, thereby providing cooling and lubrication.

All Cardinal Pump and motor units are subjected to extensive testing, including pressure tests to 50 PSIG to ensure the integrity of the complete unit. Motor windings are all tested for 60 seconds at (2 x voltage + 1000) to ensure electrical integrity and continuity, with winding resistance taken both before and after the Pump is built. All Cardinal Pumps are also meggar tested to ensure the integrity of the insulation.

The Cardinal Pumps division of Unifin manufactures hundreds of different Pump configurations used in all of Unifin's wide range of Transformer oil coolers. The Cardinal Pumps division also manufactures a line of heavy-duty Transformer oil valves ranging from 2" to 8", including ANSI standard and OEM-specific flange configuration bolt hole patterns.

For more information about Unifin's superior performance Cardinal Pumps, the industry's only Pumps that are specifically designed to meet the demanding requirements of Transformer oil applications and to see additional Unifin Cooling Equipment, please visit http://www.unifin.com/prodC2.asp?m=cascadeList,C .

About Unifin
Unifin International, http://www.unifin.com , "The Hottest Name in Cooling," has been an innovative designer and manufacturer of heat transfer products for many years. Now a world-leading supplier of Transformer Oil Coolers and Pumps to the Power Generation and Power Transformer industries, the company has also emerged as a premier supplier of Large Power Generator, TEWAC Motor and Power Transformer Cooling Equipment. Headquartered in London, Ontario, Unifin is a part of Koch Industries Group, one of the largest privately held companies in the world. For more information on Unifin International and its complete line of heat transfer products, visit http://www.unifin.com or call 1-888-451-0310.

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Dinah Alobeid
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