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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 M33 x 2
◆ Q = 160 l/min ISO 7789
max
M22x1.5 ◆ p = 400 bar
110 max
◆ p = 350 bar
s30 N red max
70.8
93.3 M22x1.5 (3)
15 (3) (2)
MD=5.5Nm (1)
(2)
22.5 DESCRIPTION APPLICATION
(1)
12 17 18 10 18 50 70 60 90 80 Pilot operated proportional pressure reducing valve in screw-in The electrical remote control in conjunction with process controls
MD=9Nm
60 (1) cartridge construction for cavity according to ISO 7789. Proportio- allows economical solutions with repeatable processes. The
88.7 61 nally to the solenoid current, the solenoid force and the pressure in screw-in cartridge is perfectly suitable for installation in control
Note! For detailed cavity drawing and cavity tools see data
156.6 port A (1) rise. The valve functions practically independently of the blocks. For machining the cartridge cavity in steel and aluminum
sheet 2.13-1004 pressure in port P (2). Pressure increase in the consumer port A (1) blocks, cavity tools are available (hire or purchase). Please refer to
to above the adjusted value, e.g. through an active consumer, is the data sheets in register 2.13.

PARTS LIST ACCESSORIES avoided by discharging excess oil to the tank T (3). With the sole-
noid deenergised, the oil flows freely from port P (2) to consumer
Position Article Description Proportional amplifier Register 1.13
port A (1). For the control, Wandfluh proportional amplifiers are
10 263.6... Solenoid coil MK.45 / 18 x 60 Flange body / sandwich plate NG4-Mini Data sheet 2.3-820 available (see register 1.13).

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
18 160.2170 O-ring ID 17,17 x 1,78 (NBR) Technical explanations Data sheet 1.0-100
50 160.2188 O-ring ID 18,77 x 1,78 (NBR) Filtration Data sheet 1.0-50 SYMBOL ACTUATION

160.6188 O-ring ID 18,77 x 1,78 (FKM) Actuation Proportional solenoid, wet pin push
(A) 1 type, pressure tight
60 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM) Execution W.S37 / 19 x 50 (Data sheet 1.1-173)
70 049.3196 Backup ring rd 16,1 x 19 x 1,4 Connection M.S35 / 19 x 50 (Data sheet 1.1-174)
Connector socket EN 175301 – 803
80 160.2140 O-ring ID 14,00 x 1,78 (NBR) MANUAL OVERRIDE (P) 2 (T) 3 Connector socket AMP Junior-Timer
160.6141 O-ring ID 14,00 x 1,78 (FKM) HB4,5 as standard Connector Deutsch DT04 – 2P
90 049.3176 Backup ring rd 14,1 x 17 x 1,4
110 111.1080 Cable gland M20 x 1,5

STANDARDS SEALING MATERIAL
Cartridge cavity ISO 7789 NBR or FKM (Viton) as standard, choice in the type code
Explosion protection Directive 2014 / 34 / EU (ATEX) STANDARDS INSTALLATION NOTES
Flameproof enclosure EN / IEC / UL 60079-1, 31 Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M33 x 2
Cable entry EN 60079-0, 1, 7, 15, 31 SURFACE TREATMENT Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
Protection class EN 60 529 Connection execution D EN 175301 – 803 Tightening torque M = 80 Nm Screw-in cartridge
◆ The cartridge body, the slip-on coil and the armature tube are D
Contamination ISO 4406 zinc-nickel coated Protection class EN 60 529 M = 5 Nm knurled nut
D
efficiency Contamination efficiency ISO 4406
INSTALLATION NOTES COMMISSIONING
Mounting type Screw-in cartridge M22 x 1,5 Attention! The solenoid coil must only be put into operation, if the
Mounting position Any, preferably horizontal requirements of the operating instructions supplied are
Tightening torque M = 60 Nm Screw-in cartridge observed to their full extent. In case of non-observance,
no liability can be assumed.
D
M = 9 Nm knurled nut
D
M = 9,5 Nm HB0
D
M = 5,5 Nm HB4,5
D
Attention! For stack assembly please observe the remarks in the
operating instructions
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 2.3-644 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 17 48 2.3-649 E
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