Direct Operated Proportional Valves

Series D926 and D927 - Direct Operated Valves (DOV) for flow control with analog interface

The 刘玥首次大战黑人D926 and D927 series valves are direct operated proportional valves with integrated electronics and analog interface. The proportional valves of the D926 and D927 series are driven by two proportional solenoids, which moves the valve spool directly and eliminates the need for pilot oil. This design allows for 4/3- and 4/2-way operation and ensured centered fail-safe position. They are available in nominal sizes 03 (D926) and 05 (D927) in accordance with ISO 4401.

These proportional valves were designed to offer high resistance to thermal stress and vibration. The compact design allows space saving system design and seamlessly integration into your machine.听听

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Directly driven by two proportional solenoids
4/3-way design including failsafe position reduces need for additional safety components
Spool-in-body design built for high accuracy and wear resistance
Electronics mechanically uncoupled from housing allows for high vibration resistance for longer service life and less machine downtime
Next-generation electronics with digital core and energy efficient components lead to low thermal stress and long electronics lifecycle
Large variety of spool overlap, flow characteristics, and signal options to fit numerous applications
Electronics placed on the solenoid delivers compact design for minimum installation space

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Specifications	D926	D927
Mounting pattern	ISO 4401 Size 03	ISO 4401 Size 05
Hydraulic Data
Maximum operating pressure 鈥� port P, A, B	350 bar (5,000 psi)
Rated flow at 鈭唒_N听5 bar (75 psi) per spool land	4 to 32 l/min (1.06 to 8.5 gpm)	25 to 75 l/min (6.6 to 19.8 gpm)
Step response time for 0 to 100 % stroke	18 ms.	< 28 ms. (for spool with < 3 % overlap)
Electrical Data
Supply Voltage	24 V_DC (18 to 32 V_DC)
Rated signal options	+/-10 V, +/-10 mA and 4-20 mA