Page 1019 - Softbound_Edition_19_en

Proportional pressure reducing valve
Proportional pressure reducing valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Pressure volume flow characteristics p = f (n) Pressure adjustment characteristics
red
red
Maximal adjustable pressure Measured at Q = 0 l/min (static)
p [bar] **Slightly increased hysteresis
120 K1154 p [bar]
100 100 K1153
80 80
60 60
40
20 40
0 20
6 4 2 0 2 4 6 0 **
A  T Q [l/min] P  A 0 10 20 30 40 50 60 70 80 90 100 l [%]

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to Wandfluh standard

M16x1.5
s30
15 M16x1.5
76.8 MD=5.5Nm (3)
37.1 (3) (2) (2)
(1)
W =
(1)
12 17 10 18 50 60 80 (1)
MD=5Nm
78.3 27.1
Attention! For detailed cavity drawing and cavity tools see data
111.6
sheet 2.13-1051
HB0
15
MD= 9.5Nm PARTS LIST
74.8 Position Article Description
10 206.2…
W.S37 / 19 x 50
35 260.5… M.S35 / 19 x 50
M = 12 154.2700 Knurled nut
15 253.8000 HB4,5 manual override
10 239.2033 HB0 Screw plug
17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
18 160.2170 O-ring ID 17,17 x 1,78 (NBR)
50 160.2140 O-ring ID 14,00 x 1,78 (NBR)
160.8140 O-ring ID 14,00 x 1,78 (FKM)
60 160.2093 O-ring ID 9,25 x 1,78 (NBR)
160.8092 O-ring ID 9,25 x 1,78 (FKM)
80 160.2076 O-ring ID 7,65 x 1,78 (NBR)
160.8076 O-ring ID 7,65 x 1,78 (FKM)

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 25 2.3-607 E
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