Danfoss PVG Proportional Control Valves
The Low-flow PVG 16 covers simple to complex needs. With the PVG 16, you can benefit from load-sensing functionality made for the low-flow segment. PVG 16 optimises productivity, lowers total system costs and facilitates fulfillment of emissions and safety regulations. Use with the PVE series 6 actuator for seamless integration in advanced electrohydraulic systems. The PVG 16 can accommodate flow rates up to 65 l/min and a working port pressure up to 400 bar.
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The PVG 32 is designed for maximum flexibility. By using PVG load-sensing technology in combination with a variable displacement pump, it’s possible to achieve a significant reduction in energy loss. PVG valves also reduce heat generation and increase efficiency and power density, which helps OEM's to meet the challenges posed by new diesel engine emissions legislation. Key features and benefits available for the PVG 32 include:
Modular design, providing a wide range of configuration possibilities.
Load-independent flow control for precise operation and improved productivity.
Load-sensing technology for higher efficiency, safety, reduced energy consumption, and longer system life.
Configurable as advanced electrically controlled proportional valve as well as load sensing directional control valve.
Prevention against work port pressure build up.
Individual work port pressure setting.
Zero-leakage work modules.
Open center and closed center versions available.
Modular design, which can be combined with PVG 100 and PVG 120.
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The flow-sharing technology of the post-compensated, load-sensing PVG 100 is ideal in systems where flow demand regularly pushes supply to the limits. The PVG 100 can distribute flow to multiple machine functions proportional to their load and flow requirements. As such, when demand exceeds supply each function remains up and running – on proportionally less flow. In the face of tougher emissions laws, there really is no better way to improve performance with less power and reduced energy consumption. The new PVG 100 High-Flow post-compensated valve raises port flows with less work - pump margin of 15 bar - and lowers the return pressures. PVG 100 high-flow options meet the increased demands for high efficiency and high-flow solutions. Key features and benefits available for the PVG 100 include:
Flow sharing for optimum controllability and user-friendliness.
Load-independent flow control for precise operation and improved productivity.
Load-sensing technology for higher efficiency, safety, reduced energy consumption, and longer system lifetime.
Modular design, which can be combined with PVG 32.
Post compensated flow sharing valve.
Open spool-ends for mechanical actuation.
Optimized return flow characteristics, which minimises pressure loss.
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For the most demanding applications, only the highest flow and the highest pressure will do. The PVG 120 is built to take control. Rock-solid control and optimum safety are more critical than ever when it comes to the biggest applications and the heaviest tasks. The load-sensing PVG 120 is a combined directional and flow control valve made for high flow, high pressure demands. Key features and benefits available with the PVG 120 include:
Smooth load-independent flow control for optimum productivity and precise operation.
Energy-efficient load-sensing technology for maximum safety and a long system life.
Low internal leakage for optimum control.
Open-center and closed-center versions suitable for use in systems with fixed or variable displacement pumps.
Combinable with PVG 32.
PLUS+1® Compliant, electrohydraulic PVE actuator.
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For the most demanding applications, only the highest flow and the highest pressure will do. The PVG 128 & 256 are built to take control with up to 500 LPM per section supplied with up to 1200 LPM pump flow.
Rock-solid control and optimum safety are more critical than ever when it comes to the biggest applications and the heaviest tasks. This new proportional (pre-compensated) load-sensing valve series can easily be built together with PVG 32 and PVG 16 making it easy to build a valve that is adapted to the flow needs of the most demanding application.
Machine benefits
- Smooth load-independent flow control for optimum productivity and precise operation
- Energy-efficient load-sensing technology for maximum safety and a long system life
- CAN bus control for lower installation cost and increased diagnostics
Product features
- Optimized for lower pressure drop and higher efficiency
- Compact sectional platform solution for easy integration with PVG 16 and PVG 32
- Compact design, easy installation and serviceability
- Individual LS A/B relief valves ensure energy efficient, safe and reliable operation
- Mechanical actuation as default on all valve sections
- Hydraulic actuation
- Electrohydraulic actuators PVE (Ratiometric, 0-10V, CANbus) as well as PVHC (High Current PWM) actuators
Application opportunities
Go with the PVG 128/256 and optimize work functions on Cranes, Mining & Drilling rigs and Marine applications like winches and bow thruster.
Reliability, robustness and efficiency are a must when choosing the right valve solution for your machine. But sometimes you can meet your performance needs with a lighter weight valve. That’s when the Danfoss ECO 80 family of low-flow, open circuit valves is likely to be your best choice. With the ECO 80, you can expect all the benefits of proven PVG valve technology at a level of quality and performance that won’t let you down. It's ideal for the off-highway segment that require flow rates up to 80 l/min and pressure up to 320 bar. Key features and benefits of the ECO 80 include:
Load-sensing technology for high efficiency, reduced energy consumption and a long system life.
Reduced time to market with modular design and short lead times.
Broad range of options including mechanical and electrohydraulic control.
Combination of mechanical and EH control in same valve configuration.
Fine metering for better control and machine performance.
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