Page 1061 - 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 (Q) Pressure volume flow characteristics
red
red
Maximal adjustable pressure Minimal adjustable pressure
*Consumer resistance depending on the system
p [bar] p [bar]
400 K1011 80 K0809
P N red = 350 bar
300 60
P N red = 275 bar
200 P N red = 200 bar 40
P N red = 160 bar
100 P N red = 100 bar 20
P N red = 63 bar
0 P N red = 40 bar 0  ∗
40 30 20 10 0 10 20 30 40 40 30 20 10 0 10 20 30 40
A  T Q [l/min] P  A A  T Q [l/min] P  A

p = f (n) Pressure adjustment characteristics p = f (n) Pressure adjustment characteristics
red
red
Measured at Q = 0 l/min (static) Measured at Q = 0 l/min (static)
p [bar] p [bar]
100 K1013 P N red = 100 bar 350 K1012 P N red = 350 bar
80 300 P N red = 275 bar
250
60 P N red = 63 bar 200 P N red = 200 bar
40 P N red = 40 bar 150 P N red = 160 bar
100
20 50
0 0
0 10 20 30 40 50 60 70 80 90 100 l [%] 0 10 20 30 40 50 60 70 80 90 100 l [%]

Q = f (p) Leakage volume flow characteristic
L
P (2) → T (3) (pressure in P (2) = 350 bar)
Q [cm /min]
3
600 K0812_1
450
300
150
0
0 50 100 150 200 250 300 350 p [bar]
P N red = 40/63/100/160 bar
P N red = 200/275/350 bar

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 21 2.3-644 E
Page 1061