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Proportional pressure reducing valve
Proportional pressure reducing valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p =f (Q) Pressure volume flow characteristic p =f (Q) Pressure volume flow characteristic
Maximal adjustable pressure Minimal adjustable pressure
p [bar] p [bar]
300 K4167 100 K4168
90
250 80
200 p N red = 200 bar 70
60
150 50
100 p N red = 115 bar 40
30
p N red = 80 bar
50 p N red = 20 bar 20
10
0 0
25 20 15 10 5 0 5 10 15 20 25 25 20 15 10 5 0 5 10 15 20 25
A  T Q [l/min] P  A A  T Q [l/min] P  A

p =f (I) Pressure adjustment characteristics
Bis I = 40 % leicht erhöhte Hysterese
G
p [bar]
red
200 K4169 p N red = 200 bar
180
160
140
120 p N red = 115 bar
100
80 p N red = 80 bar
60
40
20 p N red = 20 bar
0
0 10 20 30 40 50 60 70 80 90 100 I [%]

ACCESSORIES MANUAL OVERRIDE

Proportional amplifier Register 1.13 HB4,5
Optionally: Screw plug (HB0), no actuation possible
Electric plug B (black) Article no. 219.2002
Technical explanations Data sheet 1.0-100
Hydraulic fluids Data sheet 1.0-50
Filtration Data sheet 1.0-50

SURFACE TREATMENT SEALING MATERIAL

◆ The cartridge body, the slip-on coil and the armature tube are NBR or FKM (Viton) as standard, choice in the type code
zinc-nickel coated

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 18 35 2.3-625 E
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