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GRH independently researched and developed the load sensing , electro-hydraulic control proportional valve, with post-pressure compensation, which has already received good response from different markets. It can achieve accurate proportional flow. The main spool reset adopts a spring reset method, which can provide better flow characteristics and low hydraulic dynamic force.
The proportional valve features as follows:
• Maximum flow 220L, rated pressure 31Mpa
• Post pressure compensation technology to achieve synchronous proportional distribution
• load sensing proportional control technology to ensure higher precision and higher efficiency control
• Compact size and powerful
• High cost performance, customizable, and complete system supply
Specification
Flow Characteristic for Standard Spool
Flow Characteristic for Standard Spool
Electro-hydraulic proportional control circuit with variable displacement pump(Post pressure compensation)
Electro-hydraulic proportional control circuit with fixed displacement pump (Post pressure compensation)
Electro-hydraulic proprortional control circuit with variable displacement pump(Pre-pressure compensation)
Electro-hydraulic proportional control circuit with fixed displacement pump(Pre-pressure compensation)
Dimensions
GRH GBV200 load-sensing proportional valve is widely used in engineering machinery, mining machinery, marine machinery and other applications that require precise control.
Application
GRH,design and manufacture high-quality hydraulic components and system solutions.
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