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Proportional flow control valve Proportional flow control valve
Proportional flow control valve

STANDARDS INSTALLATION NOTES Proportional 2-way flow control poppet cartridge
Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M33 x 2 ◆ pilot operated M33 x 2
CANopen DRP 303-1 Mounting position Any, preferably horizontal ◆ Q = 100 l/min ISO 7789
max
Profibus DP IEC 947-5-2 Tightening torque M = 80 Nm Screw-in cartridge ◆ Q N max = 80 l/min
= 350 bar
p
D
Protection class EN 60 529 M = 5 Nm knurled nut ◆ max
D
Contamination ISO 4406
efficiency
DESCRIPTION APPLICATION
SURFACE TREATMENT SEALING MATERIAL Pilot operated, load-compensated proportional flow control poppet These valves are used in hydraulic systems, in which the positio-
◆ The cartridge body is gas-nitro-carburised NBR or FKM (Viton) as standard, choice in the type code valve as screw-in cartridge for cavity according to ISO 7789. When ning of loads and the simultaneous controlling of the lowering of
◆ The slip-on coil is zinc- / nickel-coated the solenoid is deenergised, the control spool closes practically these loads are demanded. The insensitivity to load changes and
◆ The electronics housing / chassis is made of aluminium leakage-free. With increasing solenoid current, the volume flow the very small leakage are a great advantage for this purpose. They
from the inlet port (2) to the regulated outlet port (1) increases al- are ideally used in the bypass to the pump. The screw-in cartridge
most independently of the load pressure. For the control, Wandfluh is perfectly suitable for installation in control blocks. For machining
proportional amplifiers are available (see register 1.13). the cartridge cavity in steel and aluminum blocks, cavity tools are

available (hire or purchase). Please refer to the data sheets in
register 2.13.

TYPE CODE
Q S P PM33 - 80 - / - HB4,5 #
Flow control valve
Seat construction

Proportional
Screw-in cartridge M33 x 2

Nominal volume flow rate Q 80 l/min
N
Nominal voltage U N 12 VDC G12
24 VDC G24
without coil X5
Slip-on coil Metal housing round W
Metal housing square M
Connection execution Connector socket EN 175301-803/ISO 4400 D
Connector socket AMP Junior - Timer J
Connector Deutsch DT04-2P G

Sealing material NBR
FKM (Viton) D1

Manual override
Design index (subject to change)
2.6-661

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 6/6 Edition: 22 46 2.6-659 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 20 38 2.6-661 E
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