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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
◆ static < 1 bar adjustable ISO 7789
110 M22x1.5 ◆ Q = 40 l/min
max
◆ p = 400 bar
s30 max
70.8 ◆ p N red max = 350 bar
93.3 M22x1.5 (3)
15 (3) (2)
MD=5.5Nm
(1)
(2)
22.5
DESCRIPTION APPLICATION
12 17 18 10 18 50 70 60 90 80 (1)
MD=9Nm Pilot operated proportional pressure reducing valve in screw-in The electrical remote control in conjunction with process controls
60 (1) cartridge construction for cavity according to ISO 7789. Proportio- allows economical solutions with repeatable processes. The
88.7 59.9 nally to the solenoid current, the solenoid force and the pressure in screw-in cartridge is perfectly suitable for installation in control
155.5 Note! For detailed cavity drawing and cavity tools see data
port A (1) rise. The valve functions practically independently of the blocks and is installed in sandwich- (vertical stacked systems) and
sheet 2.13-1004 pressure in port P (2). Pressure increase in the consumer port A (1) in flange plates (corresponding data sheets in this register). For
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
PARTS LIST ACCESSORIES noid deenergised, the oil flows freely from consumer port A (1) to sheets in register 2.13.

Position Article Description Proportional amplifier Register 1.13 port T (3). 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 SYMBOL ACTUATION
50 160.2188 O-ring ID 18,77 x 1,78 (NBR) Filtration Data sheet 1.0-50 Actuation Proportional solenoid, wet pin push
160.8188 O-ring ID 18,77 x 1,78 (FKM) (A) 1 type, pressure tight
60 160.2156 O-ring ID 15,60 x 1,78 (NBR) Execution W.S37 / 19 x 50 (Data sheet 1.1-173)
160.8156 O-ring ID 15,60 x 1,78 (FKM) M.S35 / 19 x 50 (Data sheet 1.1-174)
70 049.3196 Backup ring rd 16,1 x 19 x 1,4 Connection 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
160.8140 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 STANDARDS INSTALLATION NOTES
Explosion protection Directive 2014 / 34 / EU (ATEX)
Flameproof enclosure EN / IEC / UL 60079-1, 31 SURFACE TREATMENT Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5

Cable entry EN 60079-0, 1, 7, 15, 31 The cartridge body, the slip-on coil and the armature tube are Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
Protection class EN 60 529 ◆ zinc-nickel coated Connection execution D EN 175301 – 803 Tightening torque M = 60 Nm Screw-in cartridge
D
M = 5 Nm knurled nut
Contamination ISO 4406 Protection class EN 60 529 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 2.3-635 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 18 47 2.3-641 E
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