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Proportional pressure relief valve
Proportional pressure relief valve Proportional pressure relief valve

DIMENSIONS HYDRAULIC CONNECTION Proportional pressure relief cartridge
Cavity drawing according to ISO 7789–22–02–0–98 ◆ pilot operated M42 x 2
◆ Q = 400 l/min ISO 7789
max
s30 M22x1.5 ◆ p = 400 bar
max
◆ p N max = 350 bar
15
MD=9.5Nm M22x1.5
76.8 (2) (2)
37.1
(1) DESCRIPTION APPLICATION
W = (1) Pilot operated proportional pressure relief valve in screw-in The electrical remote control in conjunction with process controls
cartridge construction for cavity according to ISO 7789. High flow allows economical solutions with repeatable processes. The
12 17 10 18 50 70 60 (1) capacity, very sensitively adjustable. When the operating pressure screw-in cartridge is perfectly suitable for installation in control
MD=5Nm adjusted by means of the proportional solenoid is reached, the blocks. For machining the cartridge cavity in steel and aluminum
78.4 37
121.6 Note! For detailed cavity drawing and cavity tools see data valve opens and connects the protected line with the drain to the blocks, cavity tools are available (hire or purchase). Please refer to

sheet 2.13-1003 tank. The back pressure in T (2) affects the pressure in P (1). For the the data sheets in register 2.13.
HB0 control, Wandfluh proportional amplifiers are available (see
15 register 1.13).

MD= 9.5Nm
74.8

35 SYMBOL ACTUATION
M = Actuation Proportional solenoid, wet pin push
(T) 2 type, pressure tight
10 Execution W.S37 / 19 x 50 (Data sheet 1.1-173)
M.S35 / 19 x 50 (Data sheet 1.1-174)
PARTS LIST MANUAL OVERRIDE Connection Connector socket EN 175301 – 803
Position Article Description HB4,5 (P) 1 Connector socket AMP Junior-Timer
10 206.2… W.S37 / 19 x 50 Optionally: Screw plug (HB0), no actuation possible Connector Deutsch DT04 – 2P
260.5… M.S35 / 19 x 50
12 154.2700 Knurled nut TYPE CODE
15 253.8000 HB4,5 manual override Pressure relief valve B V P PM42 - - / - #
239.2033 HB0 Screw plug
17 160.2187 O-ring ID 18,72 x 2,62 (NBR) Pilot operated
18 160.2170 O-ring ID 17,17 x 1,78 (NBR) Proportional
50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
160.6188 O-ring ID 18,77 x 1,78 (FKM) Screw-in cartridge M22 x 1,5
60 160.2140 O-ring ID 14,00 x 1,78 (NBR) Nominal pressure range p 100 bar 100 275 bar 275
160.6141 O-ring ID 14,00 x 1,78 (FKM) N 200 bar 200 350 bar 350
70 049.3177 Back-up ring rd 14,6 x 17,5 x 1,4
Nominal voltage U 12 VDC G12
N
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 Manual override HB4,5
Screw plug HB0

Wandfluh AG Postfach CH-3714 Frutigen Design index (subject to change)
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com 2.3-590

www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 19 29 2.3-571 E www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 17 45 2.3-590 E
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