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

DIMENSIONS HYDRAULIC CONNECTION Proportional pressure relief valve
Cavity drawing according to ISO 7789–42–04–0–07 Flange- or Sandwich construction NG3-Mini
pilot or direct operated Wandfluh standard
s41 M42x2 M42 x 2 ◆ Q = 8 l/min
max
15 ◆ p = 350 bar
◆
81.7 MD=5.5Nm (3) (2) (3) ◆ p max = 315 bar
37.1 N red max
(1)
W = (2)
12 17 10 18 50 70 60 90 80
MD=5Nm
85.8 87.9
(1)
179.9 (1)
DESCRIPTION APPLICATION

HB0 Note! For detailed cavity drawing and cavity tools see data Pilot or direct operated proportional pressure relief valve in flange The electrical remote control in conjunction with process controls
15 sheet 2.13-1047
MD= 9.5Nm or sandwich construction. When the operating pressure adjusted allows economical solutions with repeatable processes. Miniature
by means of the proportional solenoid is reached, the valve opens values are used where both, reduced dimensions and weight are

80.8 and connects the protected line with the drain to the tank. These important.
35 proportional valves are very sensitively adjustable. For flange or
M = sandwich executions with pressure relief in port P, there is a mano-
meter connection. For the control, Wandfluh proportional ampli-
fiers are available (see register 1.13).

10

PARTS LIST SYMBOL
Position Article Description Flange execution
10 206.2… W.S37 / 19 x 50 B..FA03-P Note! ◆ Direct operated execution drawn
260.5… M.S35 / 19 x 50 ◆ All variants are also available pilot operated
12 154.2700 Knurled nut
15 253.8000 HB4,5 manual override
239.2033 HB0 Screw plug A P T B
17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
Sandwich execution Sandwich execution Sandwich execution Sandwich execution
18 160.2170 O-ring ID 17,17 x 1,78 (NBR)
B..SA03-P B..SA03-A B..SA03-B B..SA03-AB
50 160.2377 O-ring ID 37,77 x 2,62 (NBR)
160.8378 O-ring ID 37,77 x 2,62 (FKM)
60 160.2329 O-ring ID 32,99 x 2,62 (NBR)
160.6325 O-ring ID 32,99 x 2,62 (FKM) A P T B A P T B A P T B A P T B
70 049.3384 Backup ring rd 33,5 x 38 x 1 ,4
80 160.2314 O-ring ID 31,42 x 2,62 (NBR)
160.6315 O-ring ID 31,42 x 2,62 (FKM)
90 049.3364 Back-up ring rd 31,5 x 36 x 1,4 GENERAL SPECIFICATIONS ACTUATION
Designation Proportional pressure relief valve Actuation Proportional solenoid, wet pin push
Construction Pilot or direct operated type, pressure tight
Mounting Flange- or Sandwich construction Execution PI29V (Data sheet 1.1-90)
Nominal size NG3-Mini according to Wandfluh Connection Connector socket EN 175301 – 803
standard Note! Other specifications, see data sheet of the screw-in
Actuation Proportional solenoid cartridges
Ambient temperature -25…+70 °C
Weight Without screw-in cartridge
0,65 kg (Flange construction)
0,45 kg (Sandwich construction P)
0,52 kg (Sandwich construction A, B,
AB)
Wandfluh AG Postfach CH-3714 Frutigen MTTFd 150 years
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: 18 47 2.3-690 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 21 24 2.3-700 E
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