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Proportional spool valve
Proportional spool valve

Proportional spool valve with integrated
electronics NG10
ISO 4401-05
Flange construction
◆ pilot operated
◆ Q = 200 l/min
max
◆ Q N max = 90 l/min
◆ p = 350 bar
max

DESCRIPTION APPLICATION
Pilot operated proportional spool valve with 4 connections in Proportional spool valves are perfectly suitable for demanding
5-chamber system and integrated electronics. Precise spool fit, tasks due to the high resolution, large volume flow and low hystere-
low leakage, long service life time. Very compact construction with sis. Pilot operated valves are used where large volume flows have
corresponding low weight. The pilot valve is a proportional sole- to be controlled. Due to the large flow range and the high stiffness
noid operated pressure reducing valve. The function of the pilot and of the actuation as a result of the pilot control, these valves are
main valve as well as the interaction of both valves can be found in suitable for applications where fast acceleration and deceleration
the hydraulic diagram. Proportional to the solenoid current, the processes, high speeds and sensitive motion sequences are requi-
spool stroke, the spool opening and the valve volume flow increase. red. The applications are in the industrial as well as in the mobile

The control takes place via an analogue interface or a fieldbus hydraulics for the smooth control of hydraulic actuations.
interface (CANopen, J1939 or Profibus DP). The parameterisation
takes place by means of the free of cost parameterisation and diag- Note! „PASO” is a Windows programm in the flow diagram
nostics software «PASO» or via fieldbus interface. As an option, style, which enables the intuitive adjustment and storing
these valves are available with integrated controller. As feedback of all variable parameters. The data remain saved in
value generators sensors with voltage or current output can be case of a power failure and can also be reproduced and
connected directly. The available controller structures are optimi - transferred to other DSVs
sed for applications with hydraulic actuations.

SYMBOL
Symmetrical control
BCA-S BC1-S CA2-S
A B A B A B
a 0 b a b
a b a b
P T P T P T

Meter-in control
BDA-V BD1-V DA2-V
A B A B A B
0
a b a b
a b a b
P T P T P T

www.wandfluh.com Illustrations are not binding Data subject to change 1/6 Edition: 18 41 1.10-3510 E
Page 435