Hydraulic Vane Pumps suit high/low circuit operation.
March 25, 2003 - Series T7 vane pumps utilize combination of different cartridges in double and triple pumps to allow low-flow/high-pressure (4350 psi) and high-flow/low-pressure operation. High-pressure capability is 4,650 psi max. Typical volumetric efficiency of 94% reduces heat generation and allows speeds down to 600 rpm at full pressure. With mechanical efficiency typically better than 94%, units have speed range of 600–3600 rpm and are suited for applications in cold environments.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Denison Hydraulics Inc.
14249 Industrial Pkwy., Adv. Dept.
Marysville, OH, 43040
USA
Denison's New T7 Hydraulic Vane Pumps Designed for 'High/Low' Circuits
MARYSVILLE, Ohio, March 10 - Denison Hydraulics has re-designed its current lineup of hydraulic vane pumps with bigger cartridges and with a number of different (proprietary) advantages over the current models.
The new T7 vane pumps have been specially designed for "high/low" circuit operation. A combination of different cartridges in double and triple pumps allows low flow at high pressure operation (300 bar, 4350 psi) and at high flow, low pressure -- a clever way for Denison customers to optimize their circuit design.
The new units in the T7 family - T7B, T7BS (new cam rings), T7D, T7DS, T7E, T7ES, plus double and triple pumps - also feature a very fast pressure cycle change with precise flow repeatability.
Application advantages:
• High pressure capability (up to 320 bar max, 4,650 psi), in the typical Denison vane pump small envelope, reduces installation costs and provides extended life;
• High volumetric efficiency, typically better than 94 percent, reduces heat generation and allows speeds down to 600 rpm at full pressure;
• High mechanical efficiency, also typically better than 94 percent, reduces energy consumption;
• Wide speed range - 600 to 3600 rpm - combined with large size cartridge displacements help to optimize operation for the lowest noise level in the smallest envelope;
• Capabilities of low speed and low pressure operation combined with functionality with highly viscous fluids allow for application in cold environments with minimum energy consumption and without risk of seizure; and
• Large variety of options (cam displacement, shaft, porting) promotes customized installation.
Denison Hydraulics is a leading global manufacturer of hydraulic components and systems for off-highway and construction vehicles; for mining equipment; for environmental and waste recovery equipment; for pulp and paper, chemical and other processing equipment; and for such in-plant machines as machine tools, plastic molding machines, die casters, and stamping presses.
Contact: Doug Drummond, NES
Rick Rockwell, Denison
Denison Hydraulics
14249 Industrial Parkway
Marysville, OH 43040
937.644.3915
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User comments about this story
hello sir
i need 4hydrualics denison main pump (part number:52247111)for drill ingersollrand dm45e or 4hydrualics motor for drill dm45e
thanks
By saeid on Jan 31, 2010 07:24
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