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Proportional pressure reducing valve
Proportional pressure reducing valve Proportional pressure reducing valve

DIMENSIONS HYDRAULIC CONNECTION Proportional pressure reducing cartridge
Cavity drawing according to ISO 7789–22–04–0–98 ◆ pilot operated M22 x 1,5
◆ Q = 60 l/min ISO 7789
max
110 M22x1.5 ◆ p = 400 bar
max
◆ p = 350 bar
s30 N red max
70.8
93.3 M22x1.5 (3)
15 (3) (2)
MD=5.5Nm (1) (2) DESCRIPTION APPLICATION

22.5 Pilot operated proportional pressure reducing valve in screw-in The electrical remote control in conjunction with process controls
(1) cartridge construction for cavity according to ISO 7789. Proportio- allows economical solutions with repeatable processes. The
12 17 18 10 18 50 70 60 80 90
MD=9Nm (1) nally to the solenoid current, the solenoid force and the pressure in screw-in cartridge is perfectly suitable for installation in control
60
88.7 58.4 port A (1) rise. The valve functions practically independently of the blocks and is installed in sandwich- (vertical stacked systems) and
154 Note! For detailed cavity drawing and cavity tools see data pressure in port P (2). Pressure increase in the consumer port A (1) in flange plates (corresponding data sheets in this register). For
sheet 2.13-1004 to above the adjusted value, e.g. through an active consumer, is machining the cartridge cavity in steel and aluminum blocks, cavity
avoided by discharging excess oil to the tank T (3). With the sole- tools are available (hire or purchase). Please refer to the data

noid deenergised, the oil flows freely from port P (2) to consumer sheets in register 2.13.
PARTS LIST ACCESSORIES port A (1). For the control, Wandfluh proportional amplifiers are
available (see register 1.13).

Position Article Description Proportional amplifier Register 1.13
10 263.6... Solenoid coil MK.45 / 18 x 60 Flange body / sandwich plate NG4-Mini Data sheet 2.3-820
12 154.2603 Knurled nut Ex M18 x 1,5 x 18 Flange body / sandwich plate NG6 Data sheet 2.3-840
15 253.8000 Manual override HB4,5 Flange body / sandwich plate NG10 Data sheet 2.3-860
17 160.2251 O-ring ID 25,07 x 2,62 (NBR) Threaded body Data sheet 2.9-210 SYMBOL ACTUATION
18 160.2170 O-ring ID 17,17 x 1,78 (NBR) Technical explanations Data sheet 1.0-100 Actuation Proportional solenoid, wet pin push
50 160.2188 O-ring ID 18,77 x 1,78 (NBR) Filtration Data sheet 1.0-50 (A) 1 type, pressure tight
160.6188 O-ring ID 18,77 x 1,78 (FKM) Execution W.S37 / 19 x 50 (Data sheet 1.1-173)
60 160.2156 O-ring ID 15,60 x 1,78 (NBR) M.S35 / 19 x 50 (Data sheet 1.1-174)
160.6156 O-ring ID 15,60 x 1,78 (FKM) Connection Connector socket EN 175301 – 803
70 049.8196 Backup ring PTSM rd 14,5 x 17,4 x 1,4 MANUAL OVERRIDE (P) 2 (T) 3 Connector socket AMP Junior-Timer
80 160.2140 O-ring ID 14,00 x 1,78 (NBR) HB4,5 as standard Connector Deutsch DT04 – 2P
160.6141 O-ring ID 14,00 x 1,78 (FKM)
90 049.8176 Back-up ring PTSM rd 12,7 x 15,6 x 1,4
110 111.1080 Cable gland M20 x 1,5

SURFACE TREATMENT SEALING MATERIAL
◆ The cartridge body, the slip-on coil and the armature tube are NBR or FKM (Viton) as standard, choice in the type code STANDARDS INSTALLATION NOTES
zinc-nickel coated
Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5
STANDARDS INSTALLATION NOTES Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
Connection execution D EN 175301 – 803 Tightening torque M = 60 Nm Screw-in cartridge
D
Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5 Protection class EN 60 529 M = 5 Nm knurled nut
D
Explosion protection Directive 2014 / 34 / EU (ATEX) Mounting position Any, preferably horizontal Contamination efficiency ISO 4406 M = 9,5 Nm HB0
D
Flameproof enclosure EN / IEC / UL 60079-1, 31 Tightening torque M = 60 Nm Screw-in cartridge M = 5,5 Nm HB4,5
D D
Cable entry EN 60079-0, 1, 7, 15, 31 M = 9 Nm knurled nut
D
Protection class EN 60 529 Attention! For stack assembly please observe the remarks in the
Contamination ISO 4406 operating instructions
efficiency
COMMISSIONING
Attention! The solenoid coil must only be put into operation, if the

requirements of the operating instructions supplied are
observed to their full extent. In case of non-observance,
no liability can be assumed. 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 4/4 Edition: 21 21 2.3-627 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 17 47 2.3-629 E
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