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Proportional pressure reducing valve
Proportional pressure reducing valve Proportional pressure reducing valve
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS HYDRAULIC CONNECTION
Designation Proportional pressure reducing valve Working pressure p = 350 bar Cavity drawing according to Wandfluh standard
max
Construction Pilot operated Nominal pressure P N red = 20 bar, 100 bar, 200 bar, 315 bar
Mounting Screw-in cartridge construction range 30 s24 M18x1.5
Nominal size M18 x 1,5 according to Wandfluh Volume flow range Q = 0…20 l/miin 15 M18x1.5
standard Leakage oil See characteristics 68.8 MD=5.5Nm (3)
Actuation Proportional solenoid Hysteresis ≤ 4 % at optimal dither signal (3) (2)
Ambient temperature -25…+70 °C Repeatability ≤ 1 % at optimal dither signal 29 (1) (2)
Weight 0,40 kg Fluid Mineral oil, other fluid on request
40
MTTFd 150 years Viscosity range 12 mm /s…320 mm /s MD= 1.2Nm 10 18 50 60 70 80 90 (1)
2
2
Temperature range -25…+70 °C (NBR) 10.3 76.3 44 (1)
fluid -20…+70 °C (FKM) 130.6
ELECTRICAL SPECIFICATIONS Contamination Class 18 / 16 / 13 Note! For detailed cavity drawing and cavity tools see data
efficiency sheet 2.13-1020
Protection class IP65
Relative duty factor 100 % DF Filtration Required filtration grade ß 6…10 ≥ 75,
see data sheet 1.0-50
Service life time 10 (number of switching cycles, PARTS LIST ACCESSORIES
7
theoretically)
Voltage tolerance ± 10 % with regard to nominal voltage Position Article Description Proportional amplifier Register 1.13
Standard nominal 12 VDC, 24 VDC 10 256.2418 Proportional solenoid PI29V-G12 Flange body / sandwich plate NG3-Mini Data sheet 2.3-800
voltage 256.2453 Proportional solenoid PI29V-G24 Threaded body Data sheet 2.9-210
Limiting current at I = 1080 mA (12 VDC) 15 253.8000 Manual override HB4,5 Technical explanations Data sheet 1.0-100
G
50 °C I = 540 mA (24 VDC) 18 160.2120 O-ring ID 12,42 x 1,78 (NBR)
G Filtration Data sheet 1.0-50
Note! Other electrical specifications see data sheet 1.1-90 30 219.2002 Electric plug B (black)
40 246.0151 Socket head screw M3 x 50 DIN 912
50 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM) MANUAL OVERRIDE
PERFORMANCE SPECIFICATIONS 60 160.2111 O-ring ID 11,11 x 1,78 (NBR) HB4,5 as standard
Oil viscosity u = 30 mm /s 160.6111 O-ring ID 11,11 x 1,78 (FKM)
2
p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics 70 049.3156 Backup ring rd 12,1 x 15 x 1,4
red red
Maximal adjustable pressure Minimal adjustable pressure 80 160.2093 O-ring ID 9,25 x 1,78 (NBR)
p [bar] *Consumer resistance depending on the system 160.6092 O-ring ID 9,25 x 1,78 (FKM)
400 K0245 p [bar] 90 049.3137 Backup ring rd 10,6 x 13,5 x 1,4
P N red = 315 bar 25 K0246
300 p N red = 315 bar
20
200 P N red = 200 bar SURFACE TREATMENT SEALING MATERIAL
15
100 P N red = 100 bar 10 p N red = 200 bar ◆ All external parts of the cartridge as well the solenoid coil are NBR or FKM (Viton) as standard, choice in the type code
p N red = 100 bar ∗ zinc-nickel coated
0 P N red = 20 bar 5 p N red = 20 bar
20 15 10 5 0 5 10 15 20 0
A T Q [l/min] P A 20 15 10 5 0 5 10 15 20
A T Q [l/min] P A STANDARDS INSTALLATION NOTES
Cartridge cavity Wandfluh standard Mounting type Screw-in cartridge M18 x 1,5
Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristic
red L Connection execution D EN 175301 – 803 Tightening torque M = 40 Nm Screw-in cartridge
Measured at Q = 0 l/min (static) A (1) → T (3) D
Protection class EN 60 529 M = 1,2 Nm solenoid screws
D
p [bar] Q [cm /min]
3
400 K0248 400 K0247 Contamination efficiency ISO 4406
300 P N red = 315 bar 300
200 P N red = 200 bar 200
100 P N red = 100 bar 100
P N red = 20 bar
0 0
0 10 20 30 40 50 60 70 80 90 100 l [%] 0 50 100 150 200 250 300 350 p [bar]
Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com
www.wandfluh.com Illustrations are not binding Data subject to change 2/3 Edition: 19 15 2.3-610 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 19 15 2.3-610 E
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