Page 1024 - Softbound_Edition_19_en

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

SURFACE TREATMENT SEALING MATERIAL Proportional pressure reducing cartridge
◆ The cartridge body is gas-nitro carburised NBR or FKM (Viton) as standard, choice in the type code ◆ pilot operated M18 x 1,5
◆ The slip-on coil and the armature tube are zinc-nickel coated ◆ Q = 20 l/min Wandfluh standard
max
◆ p = 350 bar
max
◆ p N red max = 315 bar
STANDARDS INSTALLATION NOTES
Cartridge cavity Wandfluh standard Mounting type Screw-in cartridge type M16 x 1,5
Explosion protection Directive 2014 / 34 / EU (ATEX) Mounting position Any, preferably horizontal
Flameproof enclosure EN / IEC / UL 60079-1, 31 Tightening torque M = 30 Nm screw-in cartridge
D
Cable entry EN 60079-0, 1, 7, 15, 31 M = 9 Nm Knurled nut DESCRIPTION APPLICATION
D
Pilot operated proportional pressure reducing valve in screw-in
The electrical remote control in conjunction with process controls
Protection class EN 60 529 cartridge construction for cavity according to Wandfluh standard. allows economical solutions with repeatable processes. The
Contamination ISO 4406 Proportionally to the solenoid current, the solenoid force and the screw-in cartridge is perfectly suitable for installation in control
efficiency pressure in port A (1) rise. The valve functions practically indepen- blocks and is installed in sandwich- (vertical stacked systems) and
dently of the pressure in port P (2). Pressure increase in the con- in flange plates (corresponding data sheets in this register). For
COMMISSIONING sumer port A (1) to above the adjusted value, e.g. through an active machining the cartridge cavity in steel and aluminum blocks, cavity
Attention! The solenoid coil must only be put into operation, if the consumer, is avoided by discharging excess oil to the tank T (3). tools are available (hire or purchase). Please refer to the data

requirements of the operating instructions supplied are With the solenoid deenergised, the oil flows freely from port P (2) to sheets in register 2.13.
observed to their full extent. In case of non-observance, consumer port A (1). For the control, Wandfluh proportional ampli -
no liability can be assumed. fiers are available (see register 1.13).

SYMBOL ACTUATION
Actuation Proportional solenoid, wet pin push
(A) 1 type, pressure tight
Execution PI29V (Data sheet 1.1-90)
Connection Connector socket EN 175301 – 803

(P) 2 (T) 3

TYPE CODE
M V P PM18 - - - #
Pressure reducing valve
Pilot operated

Proportional
Screw-in cartridge M18 x 1,5

Nominal pressure range p N red 20 bar 20 200 bar 200
100 bar 100 315 bar 315
Nominal voltage U 12 VDC G12
N
24 VDC G24

Sealing material NBR
FKM (Viton) D1

Design index (subject to change)
2.3-610

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 2.3-608 E www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 19 15 2.3-610 E
Page 1024