Proportional 3/2 Throttle Cartridge, Size 5
Q
max
= 30l/min,p
max
= 250bar
Sliding-spool design,direct acting
Series MDR32GN…-5…
1/9
Reference: 400-P-618101-EN-04
Issue: 05.2020
S De-energized closed 1 " 2
S Compact construction
for cavity type AM – 3/4-16 UNF
S Very good reproducibility
S Reliable operation over the whole pressure and flow
range (even with high pressure differentials)
S With optional manual flow setting
S All exposed parts with zinc-nickel plating
S High pressure wet-armature solenoids
S The slip-on coil can be rotated, and it can be
replaced without opening the hydraulic envelope
S Various plug-connector systems and voltages
are available
S Can be fitted in a line-mounting body
1 Description
Series MDR32GN… direct acting proportional 3/2 throttle
valves are size 5, high performance screw-in cartridges
with a 3/4-16 UNF mounting thread. They are designed on
the proven sliding-spool principle. The straightforward de
sign delivers an outstanding price/performance ratio. In the
initial position (de-energised), port 1 is closed and ports
2→3 are connected with the full flow rating. In control
mode, the flow through the connection 1 → 2 is varied in pro
portionally to the control current. Three types are available:
Type “A” - standard model, for general use with or without
compensator. Type “Z” - special model, only approved for
use with compensator (max. Δp 15 bar). Type “S600” - spe
cial model with optimised characteristic - Q = f (I), also only
suitable for use with compensator. With this model, the con
nection 2 → 3 is only used for unloading (see Performance
Graphs). These cartridges are particularly suitable for pre
cise and controlled lifting and lowering movements, but they
can also be used for reliable operation in mobile and indu
strial applications featuring large pressure differences. All
external parts of the cartridge are zinc-nickel plated ac
cording to DIN EN ISO 19 598 and are thus suitable for use
in the harshest operating environments. The slip-on coils
can be replaced without opening the hydraulic envelope
and can be positioned at any angle through 360°. For self-
assembly, please refer to the section related data sheets.
2 Symbol
2
1 3
2
1 3
MDR32GNA5… MDR32GNA5…S600
MDR32GNZ5…
3 Technical data
General characteristics Description, value, unit
Designation proportional 3/2 throttle cartridge
Design sliding-spool design, direct acting
Mounting method screw-in cartridge 3/4-16UNF
Tightening torque 40 Nm ± 10%