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

MANUAL OVERRIDE SEALING MATERIAL Proportional pressure relief cartridge
None NBR or FKM (Viton) as standard, choice in the type code ◆ pilot operated M33 x 2
◆ Q = 230 l/min ISO 7789
max
◆ p = 400 bar
max
STANDARDS SURFACE TREATMENT ◆ p N max = 350 bar
Cartridge cavity ISO 7789 ◆ The cartridge body made of steel and the slip-on coil are
Solenoids DIN VDE 0580 zinc-nickel coated
Connection execution D EN 175301 – 803 DESCRIPTION APPLICATION
Protection class EN 60 529 Pilot operated proportional pressure relief valve in screw-in The electrical remote control in conjunction with process controls
Contamination efficiency ISO 4406 cartridge construction for cavity according to ISO 7789. High flow allows economical solutions with repeatable processes. The
capacity, very sensitively adjustable. When the operating pressure screw-in cartridge is perfectly suitable for installation in control
adjusted by means of the proportional solenoid is reached, the blocks. For machining the cartridge cavity in steel and aluminum
valve opens and connects the protected line with the drain to the blocks, cavity tools are available (hire or purchase). Please refer to

tank. The back pressure in T (2) affects the pressure in P (1). For the the data sheets in register 2.13.
ACCESSORIES INSTALLATION NOTES control, Wandfluh proportional amplifiers are available (see

Proportional amplifier Register 1.13 Mounting type Screw-in cartridge M22 x 1,5 register 1.13).
Electric plug B (black) Article no. 219.2002 Mounting position Any, preferably horizontal
Flange body / sandwich plate NG4-Mini Data sheet 2.3-720 Tightening torque M = 60 Nm Screw-in cartridge
D
M = 5 Nm knurled nut
Flange body / sandwich plate NG6 Data sheet 2.3-740 D
Flange body / sandwich plate NG10 Data sheet 2.3-760 SYMBOL ACTUATION
Threaded body Data sheet 2.9-200 Actuation Proportional solenoid, wet pin push
Technical explanations Data sheet 1.0-100 (T) 2 type, pressure tight
Filtration Data sheet 1.0-50 Execution W.S37 / 19 x 50 (Data sheet 1.1-173)
M.S35 / 19 x 50 (Data sheet 1.1-174)
Connection Connector socket EN 175301 – 803
(P) 1 Connector socket AMP Junior-Timer
Connector Deutsch DT04 – 2P

TYPE CODE
B V P PM33 - - / - #
Pressure relief valve
Pilot operated
Proportional

Screw-in cartridge M33 x 2

Nominal pressure range p 100 bar 100 275 bar 275
N
200 bar 200 350 bar 350
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 2.3-551

www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 19 29 2.3-548 E www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 17 44 2.3-551 E
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