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Proportional pressure relief valve
Proportional pressure relief 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
p [bar] p [bar]
500 K1168 p = 450 bar 6 K1169
N
400 p = 350 bar 5
N
4
300
3
200 2
100 1
0 0
0 0,4 0,8 1,2 1,6 2,0 Q [l/min] 0 0,4 0,8 1,2 1,6 2,0 Q [l/min]

p = f (n) Pressure adjustment characteristics
red
Measured at Q = 1 l/min
p [bar]
500 K1170
400
300
200
100
0
0 10 20 30 40 50 60 70 80 90 100 l [%]

ACCESSORIES SEALING MATERIAL
Proportional amplifier Register 1.13 NBR or FKM (Viton) as standard, choice in the type code
Electric plug B (black) Article no. 219.2002
Flange body / sandwich plate NG4-Mini Data sheet 2.3-720
Flange body / sandwich plate NG6 Data sheet 2.3-740
Flange body / sandwich plate NG10 Data sheet 2.3-760 SURFACE TREATMENT
Threaded body Data sheet 2.9-200 ◆ The cartridge body made of steel and the slip-on coil are
zinc-nickel coated
Technical explanations Data sheet 1.0-100
Filtration Data sheet 1.0-50

STANDARDS INSTALLATION NOTES

Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5
Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
Connection execution D EN 175301 – 803 Tightening torque M = 60 Nm Screw-in cartridge
D
Protection class EN 60 529 M = 5 Nm knurled nut
D
Contamination efficiency ISO 4406 M = 9,5 Nm HB0
D
M = 5,5 Nm HB4,5
D

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 19 29 2.3-571 E
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