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Pressure relief valve
Pressure relief valve

DIMENSIONS
Key adjustment «S» Control knob adjustment «D»

30
40 20

45

50

60

70
HYDRAULIC CONNECTION
Cavity drawing according to ISO 7789–22–02–0–98
Cover «A»
M22x1.5

25 (2)

(1)

(1)

Note! For detailed cavity drawing and cavity tools see data
sheet 2.13-1003

ACCESSORIES PARTS LIST
Pressure relief valve Position Article Description
Flange body / sandwich plate NG4-Mini Data sheet 2.1-620 20 114.2224 Control knob
Flange body / sandwich plate NG6 Data sheet 2.1-640 25 032.0611 Cover rd 23 / 3 x 35
Flange body / sandwich plate NG10 Data sheet 2.1-660 30 193.1061 Retainer rd 6 DIN 6799
Back pressure valve 40 153.1402 Hexagon nut 0,5d M8 x 1
Sandwich plate NG4-Mini Data sheet 2.1-720 45 212.1486 Washer (only for p = 210 bar)
N
Sandwich plate NG6 Data sheet 2.1-740 50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
Sandwich plate NG10 Data sheet 2.1-760 160.6188 O-ring ID 18,77 x 1,78 (FKM)
60 160.2140 O-ring ID 14,00 x 1,78 (NBR)
160.6141 O-ring ID 14,00 x 1,78 (FKM)
Types of adjustment for screw-in Data sheet 2.0-50
cartridges 70 049.3177 Back-up ring rd 14,6 x 17,5 x 1,4
Threaded body Data sheet 2.9-200
Technical explanations Data sheet 1.0-100
Hydraulic fluids Data sheet 1.0-50
Filtration Data sheet 1.0-50

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: 20 48 2.1-540 E
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