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Proportional pressure relief valve
Proportional pressure relief valve

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to ISO 7789–33–02–0–98

s32
M33 x 2
15 M33x2
78.2 MD=5.5Nm (2)
37.1 (1) (2)

W=

12 17 10 18 50 70 60 (1)
MD=5Nm (1)
86.1 51.8
144.1
Note! For detailed cavity drawing and cavity tools see data
sheet 2.13-1041
HB0
15
MD= 9.5Nm
77.3
35
M =

10

PARTS LIST ACCESSORIES
Position Article Description Proportional amplifier Register 1.13
10 206.2… W.S37 / 19 x 50 Electric plug B (black) Article no. 219.2002
260.5… M.S35 / 19 x 50 Threaded body Data sheet 2.9-200
12 154.2700 Knurled nut Technical explanations Data sheet 1.0-100
15 253.8000 HB4,5 manual override Hydraulic fluids Data sheet 1.0-50
239.2033 HB0 Screw plug
Filtration Data sheet 1.0-50
17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
18 160.2170 O-ring ID 17,17 x 1,78 (NBR)
50 160.2298 O-ring ID 29,82 x 2,62 (NBR) MANUAL OVERRIDE
160.6296 O-ring ID 29,82 x 2,62 (FMK) HB4,5
60 160.2219 O-ring ID 21,89 x 2,62 (NBR) Optionally: Screw plug (HB0), no actuation possible
160.6216 O-ring ID 21,89 x 2,62 (FKM)
70 049.3277 Backup ring rd 22,5 x 27 x 1,4

SURFACE TREATMENT SEALING MATERIAL

◆ The cartridge body, the slip-on coil and the armature tube are NBR or FKM (Viton) as standard, choice in the type code
zinc-nickel coated

STANDARDS INSTALLATION NOTES

Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M33 x 2
Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
Connection execution D EN 175301 – 803 Tightening torque M = 80 Nm Screw-in cartridge
D
Protection class EN 60 529 M = 5 Nm knurled nut
D
Contamination efficiency ISO 4406 M = 9,5 Nm HB0
D
M = 5,5 Nm HB4,5
D
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 3/3 Edition: 17 44 2.3-551 E
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