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Proportional pressure reducing valve
Proportional pressure reducing valve

PERFORMANCE SPECIFICATIONS EXECUTION L9 (MEASURED AT 40 °C)
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 = 1 l/min (static)
p [bar] p [%]
400 K4107 100 K1005
300 P N red = 280 bar 80
60
P N red = 220 bar
200
P N red = 160 bar 40
100 P N red = 80 bar 20
0 0
160 120 80 40 0 40 80 120 160 0 20 40 60 80 100 l [%]
A  T Q [l/min] P  A

PERFORMANCE SPECIFICATIONS EXECUTION L15 / L17 (MEASURED AT 50 °C)
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 = 1 l/min (static)
p [bar] p [%]
400 K0658_1 100 K1002
P N red = 350 bar 80
300
P N red = 275 bar 60
200 P N red = 200 bar
40
100 P N red = 100 bar 20
0 0
160 120 80 40 0 40 80 120 160 0 20 40 60 80 100 l [%]
A  T Q [l/min] P  A

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Pressure volume flow characteristics Q = f (p) Leakage volume flow characteristic
red
L
Minimal adjustable pressure A (1) → T (3) (Druck in P (2) = 350 bar)
*Consumer resistance depending on the system
p [bar] Q [cm /min]
3
32 K0659 1000 K0792
24 800
600
16
400
8  ∗ 200
0 0
160 120 80 40 0 40 80 120 160 0 50 100 150 200 250 300 350 p [bar]
A  T Q [l/min] P  A

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 21 2.3-654 E
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