Page 1079 - 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] a: P N red = 160/200/275/350 bar b: P N red = 20/63/100 bar
400 K0434_1 40 K0443_4
P N red = 350 bar a
300 30
P N red = 275 bar b
200 P N red = 200 bar 20

100 P N red = 100 bar 10  ∗
P N red = 63 bar
0 P N red = 20 bar 0
60 40 20 0 20 40 60 60 40 20 0 20 40 60
A  T Q [l/min] P  A A  T Q [l/min] P  A

p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristic
red
L
Measured at Q = 0 l/min (static) A (1) → T (3) (pressure in P (2) = 350 bar)
p [bar] Q [cm /min]
3
400 K0761 1000 K0760_3
P N red = 350 bar
300 800
P N red = 275 bar
600
200 P N red = 200 bar
P N red = 160 bar 400
100 P N red = 100 bar 200
P N red = 63 bar
0 P N red = 20 bar 0
0 10 20 30 40 0 60 70 80 90 100 l [%] 0 50 100 150 200 250 300 350 p [bar]
P N red = 20/63/100 bar
P N red = 160/200/275/350 bar

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
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: 19 19 2.3-672 E
Page 1079