Proportional Solenoid for Rexroth Variable Pump

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Variable pump application

Variable pump is so called because its displacement volume can be changed. It generally has two types: the axial piston pump and the radial piston pump. This pump is widely applied in the hydraulic transmission system in many industries, such as metallurgy, mining, engineering machinery, shipbuilding, civil aviation ground equipment and more.

 

Rexroth variable piston pump

Rexroth variable valve

Rexroth variable valve. Credit https://www.boschrexroth.com/en/xc/products/product-news/hydraulics/a4vho-high-pressure-pump-2#

As a world-leading manufacturer of industrial hydraulic parts and system, Bosch Rexroth provides the best variable piston pump. It features in small footprint and powerful transmission efficiency. For more details of the features and technical data of Rexroth variable pump, please visit here: https://www.boschrexroth.com/en/xc/products/product-news/hydraulics/a4vho-high-pressure-pump-2#.

 

GP37 Series solenoid for Rexroth variable pump

GP37 Series solenoid is a transmitting device between mechanical energy and electrical energy. Within the range of rated travel and rated current, the output force is in direct proportion to the current. The diameter is 37mm. This solenoid is thread mounted, the coil can be separately unmounted and replaced.

The GP37 Series solenoid is suitable for Rexroth EP variable pump. Air vent screw and manual button are optional. The specifications can be found below:

GP37 solenoid for variable pump
  • Rated stroke: 2mm
  • Rated force: 42N
  • Rated current: 0.6N1 .2A
  • Ratedresistor: 22 0 /5.50
  • Static oil pressure: 21 MP a
  • Degree of enclosure: IP65/IP67
  • Temperature rating: H

 

The stroke-force curve diagram of GP37 solenoid

stroke force curve diagram of GP37 Series solenoid coil

Notes: The “0” position stands for where the plunger of the solenoid is fully projected. A 5% error may exist. The solenoid can be calibrated as per your needs.

The ampere-force curve diagram of GP37 solenoid

ampere force curve diagram of GP37 solenoid

Notes: The testing position S=1mm. A 5% error may exist. The solenoid can be calibrated as per your needs.

The dimension diagram

solenoid assembly outer dimension of GP37 series

solenoid assembly outer dimension of GP37 series

solenoid coil dimension of GP37 series

solenoid coil dimension of GP37 series

solenoid tube dimension of GP37 series

solenoid tube dimension of GP37 series

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