Page 1015 - 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 Maximal adjustable pressure
25 bar execution 40 bar execution
*Limit of the operating range *Limit of the operating range
p [bar] p [bar]
30 K1145 60 K1144

20 40

10  ∗ 20  ∗

0 0
6 4 2 0 2 4 6 6 4 2 0 2 4 6
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)
25 bar execution 40 bar execution
**Slightly increased hysteresis **Slightly increased hysteresis
p [bar] p [bar]
25 K1147 40 K1146
20 30
15
20
10
5 ** 10 **
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 [%]

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

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 19 00 2.3-605 E
Page 1015