Page 940 - Softbound_Edition_19_en

Proportional pressure relief valve

Proportional pressure relief cartridge inverse
◆ pilot operated M22 x 1,5
◆ Q = 100 l/min ISO 7789
max
◆ p = 400 bar
max
◆ p = 350 bar
N max

DESCRIPTION APPLICATION
Pilot operated proportional pressure relief valve with inverse func- The electrical remote control in conjunction with process controls
tion in screw-in cartridge construction for cavity according to ISO allows economical solutions with repeatable processes. By means
7789. High flow capacity, very sensitively adjustable. When the of the inverse function, the maximum system pressure is main-
operating pressure adjusted by means of the proportional solenoid tained if the electrical valve control falls out (safety function).The
is reached, the valve opens and connects the protected line with screw-in cartridge is perfectly suitable for installation in control
the drain to the tank. With the solenoid deenergised, maximum blocks and is installed in sandwich- (vertical stacked systems) and
working pressure is present. If the solenoid current increases, the in flange plates (corresponding data sheets in this register). For
pressure in port P (1) drops. The back pressure in T (2) affects the machining the cartridge cavity in steel and aluminum blocks, cavity
pressure in P (1). For the control, Wandfluh proportional amplifiers tools are available (hire or purchase). Please refer to the data

are available (see register 1.13). sheets in register 2.13.

SYMBOL ACTUATION
Actuation Proportional solenoid, wet pin push
type, pressure tight
Execution W.S37 / 19 x 50 (Data sheet 1.1-173)
(T) 2
M.S35 / 19 x 50 (Data sheet 1.1-174)
Connection Connector socket EN 175301 – 803
Connector socket AMP Junior-Timer
Connector Deutsch DT04 – 2P
(P) 1

www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 19 28 2.3-528 E