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Proportional pressure relief valve
Proportional pressure relief valve

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to ISO 7789–18–02–0–98

30 M18x1.5

s24
15 M18x1.5
68.8 MD=5.5Nm
(2)
29

(1)
40 10 18 50 60 70
MD= 1.2Nm (1)
10.3 76.3 30
116.6 Note! For detailed cavity drawing and cavity tools see data
sheet 2.13-1001

PARTS LIST ACCESSORIES
Position Article Description Proportional amplifier Register 1.13
10 256.2418 Proportional solenoid PI29V-G12 Flange body / sandwich plate NG3-Mini Data sheet 2.3-700
256.2453 Proportional solenoid PI29V-G24 Threaded body Data sheet 2.9-200
15 253.8000 Manual override HB4,5 Technical explanations Data sheet 1.0-100
18 160.2120 O-ring ID 12,42 x 1,78 (NBR) Filtration Data sheet 1.0-50
30 219.2002 Electric plug B (black)
40 246.0151 Socket head screw M3 x 50 DIN 912
50 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM) MANUAL OVERRIDE
60 160.2093 O-ring ID 9,25 x 1,78 (NBR) HB4,5 as standard
160.6092 O-ring ID 9,25 x 1,78 (FKM)
70 049.3137 Backup ring rd 10,6 x 13,5 x 1,4

SURFACE TREATMENT SEALING MATERIAL

◆ All external parts of the cartridge as well the solenoid coil 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 M18 x 1,5
Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
Connection execution D EN 175301 – 803 Tightening torque M = 40 Nm Screw-in cartridge
D
Protection class EN 60 529 M = 1,2 Nm solenoid screws
D
Contamination efficiency ISO 4406

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: 19 15 2.3-510 E
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