Proportional Directional Valves

Improved productivity and quality

We offer an incredible range of Vickers by Danfoss proportional directional valves with a variety of features, sizes, flow rates, and performance levels to meet customer demands in industrial and mobile markets. With options for on-board electronics (OBE) and non-OBE, IP67 environmental protection, reduced power consumption, and more, Vickers valves reduce commissioning time, and long-term costs.

NEW! Check out the new KBFRG4-05 proportional valve with a round solenoid design, delivering superior performance and premium features.

Size – NG 6 to NG 32 (D03 to D10)
Pressure – Up to 350 bar (5,000 psi)
Flow – Up to 700 L/min (185 gal/min)

Description
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Vickers by Danfoss proportional directional valves can help you:

Reduce commissioning time through plug-and-play functionality
Reduce labor time and costs through minimized wiring and easier service-ability
Increase automation and quality
Improve productivity and machine uptime

Upgrade to onboard (OBE) electronics

Proportional valves with onboard electronics offer several advantages, including a factory-matched valve and amplifier, which reduces the possibility of selection and installation errors. Installation and setup is faster and easier, with limited user adjustments and reduced electrical cabinet space requirements.

Our KB family of proportional directional valves with onboard electronics (OBE) features superior reliability and durability, IP67 environmental protection and reduced power consumption. With a controller built in, valves with onboard electronics (OBE) do not require an external controller.

Valves with OBE offer:

Easier setup with limited user adjustments for faster, lower cost valve package installation
Optimized valve with robust amplifier design
Reduced electrical cabinet space
Superior durability with high levels of EMC, vibration and shock resistance

Product range

Non-OBE proportional valves (without onboard electronics)

Ultra performance

KSD direct-acting and KHD pilot-operated servo performance valves.

Single solenoid high-response valve
Spool goes to 4th position when power is removed (pilot spool goes to 4th position on KHD)
Spool position feedback (pilot and main-stage spool position feedback)
Zero lap spool options
Suitable for closed-loop pressure and position control
Requires dedicated control amplifier

High performance

KFD direct-acting single feedback value.

Spool position feedback
Suitable for precise speed control and simple closed-loop applications
Requires dedicated control amplifier

Standard performance

KDG direct-acting and pilot-operated non-feedback valve.

No spool position feedback
Low-cost valve suitable for shock reduction and simple speed control applications
Simple, low-cost electronic requirements

OBE proportional valves (with onboard electronics)

Ultra performance

AxisPro KBSD direct-acting and KBHD pilot-operated service performance valves.

Single solenoid high-response valve

Single solenoid high-response valve
Spool position feedback (pilot – and main-stage spool position feedback)
Zero lap spool options
Suitable for closed-loop pressure and position control
Plug-and-play digital electronics with command options and enable function, and no amplifier setup requirements

High performance

KBF direct-acting and pilot-operated single feedback valves.

Dual solenoid valve
Spool stays in center position when power is removed (pilot spool stays in center position when power is removed)
Amplifier has spool position feedback (amplifier has only main-stage spool position feedback)
Zero lap spool options available on single-stage
Plug-and-play digital electronics with no amplifier-to-valve setup requirements, plus command options, enable function, and programmable ramps

High performance – NEW round solenoid design!

Engineered to withstand the toughest conditions the new KBFRG4-05 proportional valve features a market-leading pressure rating (350 bar), and tools to simplify installation and troubleshooting.

Maximum pressure rating 350 bar; tank 210 bar
Higher power capacities with the maximum flow of 290lpm @ 57bar
Multiple spool options with various flow ratings
CAN communication, configurable control modes using Pro-FX Configure
Easier diagnostics through LED indicator
Enhanced vibration resistance (7.8g random, 50g shock), IP67 Ingress protection rating with high corrosion resistance option available
Industry standard certification compliance: CE, UKCA, REACH, RoHS and EMI/EMC

Standard performance

KBD direct-acting and pilot-operated non-feedback valves.

Dual solenoid digital valves
Spool stays in center position when power is removed (pilot spool stays in center position when power is removed)
No spool position feedback
Plug-and-play digital electronics with no amplifier-to-valve setup requirements, plus command options, enable function, and programmable ramps