Page 1107 - Softbound_Edition_19_en

Proportional pressure reducing valve
Proportional pressure relief 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
Statically adjusted at nominal pressure Measured at Q = 0 l/min (static)
25 bar execution 25 bar execution
*Limit of the operating range **Slightly increased hysteresis
p [bar] p [bar]
30 K1145 25 K1147
20
20 15

10  ∗ 10
5
0 0 **
6 4 2 0 2 4 6 0 10 20 30 40 50 60 70 80 90 100 l [%]
A  T Q [l/min] P  A

DIMENSIONS
Actuation on both sides Actuation on A or B side

A B A 9.5
5.2 MD= 5.2Nm
77.2 6
37 38
W = 32

10 70 60 10 50
MD=5Nm MD=30Nm
205 6.2 17.7 50 57.2 7.3
138.4

A

76.3
35
M =

10
14.7 53
138.4

HYDRAULIC CONNECTION PARTS LIST
Position Article Description
28
10 206.2… W.S37 / 19 x 50
14
260.5… M.S35 / 19 x 50
P 50 160.2052 O-ring ID 5,28 x 1,78 (NBR)
160.6052 O-ring ID 5,28 x 1,78 (FKM)
A B
14 27 60 160.2187 O-ring ID 18,72 x 2,62 (NBR)
T T0 70 154.2700 Knurled nut

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 22 01 2.3-825 E
Page 1107