Page 402 - Softbound_Edition_19_en

Proportional spool valve

Proportional spool valve
M42 x 2
Screw-in cartridge construction Wandfluh standard
◆ pilot operated
◆ Q = 250 l/min
max
◆ 1 volume flow level
◆ Q N max = 150 l/min
◆ p = 315 bar
max

DESCRIPTION APPLICATION
Pilot operated proportional spool valve in screw-in cartridge cons- Proportional spool valves are perfectly suitable for demanding
truction. Precise spool fit, low leakage, long service life time. tasks due to the high resolution, large volume flow and low hyste-
Spool made of hardened steel. The valve is controlled externally resis. The applications are in the industry as well as in the mobile
through a pilot pressure via the x and y connections. Without hydraulics for the smooth control of hydraulic actuators. Some
control, the piston is held in the central positon by a spring. examples: control of the rotor blades of wind generators, forestry
Proportional to the pilot pressure, the spool opening and the valve and earth moving machines, machine tools and paper production
volume flow increase. Thanks to the optimum spool form, sensitive machines, simple position controls, robotics and fan control.

movement processes are possible. For the control, Wandfluh
proportional pressure valves (see register 2.3) and Wandfluh
proportional amplifiers (see register 1.13) are available.
TYPE CODE

W V P PM42 - - - 150 #
Spool valve
Pilot operated

Proportional
Screw-in cartridge M42 x 2

Designation of symbols acc. to table

Nominal volume flow rate Q 150 l/min
N
Design index (subject to change)
1.10-2410

SYMBOL
Symmetrical control
ACB-S AC1-S CB2-S
A B A B A B
a 0 b a b
a b a b
Y X X Y
X P T Y P T P T

Meter-in control
ADB-V AD1-V DB2-V
A B A B A B

a b a b
a 0 b a b
Y X X Y
X P T Y P T P T

www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 22 09 1.10-2410 E