Page 946 - Softbound_Edition_19_en

Proportional pressure relief valve
Proportional pressure relief valve Proportional pressure relief valve

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS HYDRAULIC CONNECTION
Designation Proportional pressure relief valve Working pressure p = 400 bar Cavity drawing according to ISO 7789–22–02–0–98
max
Construction Pilot operated Tank pressure p = p + 20 bar
T max P
Mounting Screw-in cartridge construction Nominal pressure P = 20 bar, 63 bar, 100 bar, 160 bar, 200 s30 M22x1.5
N
Nominal size M22 x 1,5 according to ISO 7789 range bar, 275 bar, 350 bar 15
Actuation Proportional solenoid Volume flow range Q = 0,3...100 l/min MD=5.5Nm M22x1.5
Ambient temperature -25…+70 °C Leakage oil See characteristics 76.8 (2) (2)
Weight 0,50 kg Hysteresis ≤ 4 % at optimal dither signal 37.1 (1)
MTTFd 150 years Repeatability ≤ 2 % at optimal dither signal W = (1)
Fluid Mineral oil, other fluid on request
Viscosity range 12 mm /s…320 mm /s 12 17 10 18 50 70 60 (1)
2
2
MD=5Nm
Temperature range -25…+70 °C (NBR) 78.4 38.5
ELECTRICAL SPECIFICATIONS fluid -20…+70 °C (FKM) 123.1 Note! For detailed cavity drawing and cavity tools see data
Contamination Class 18 / 16 / 13 sheet 2.13-1003
Protection class Connection execution D: IP65 efficiency
Connection execution J: IP66 Filtration Required filtration grade ß 6…10 ≥ 75, HB0
Connection execution G: IP67 and IP69K see data sheet 1.0-50 15
Relative duty factor 100 % DF MD= 9.5Nm MANUAL OVERRIDE
Standard nominal 12 VDC, 24 VDC 74.8 HB4,5
Optionally: Screw plug (HB0), no actuation possible
voltage 35
Limiting current at I = 1320 mA (U = 12VDC)
G
N
50 °C I = 660 mA (U = 24VDC) M =
G N SURFACE TREATMENT
Note! Other electrical specifications see data sheet 1.1-173 ◆ The cartridge body, the slip-on coil and the armature tube are
(slip-on coil W) and 1.1-174 (slip-on coil M) 10 zinc-nickel coated

PARTS LIST ACCESSORIES
PERFORMANCE SPECIFICATIONS Position Article Description Proportional amplifier Register 1.13
Oil viscosity u = 30 mm /s 10 206.2… W.S37 / 19 x 50 Electric plug B (black) Article no. 219.2002
2
260.5… M.S35 / 19 x 50 Flange body / sandwich plate NG4-Mini Data sheet 2.3-720
p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics
red
red
Maximal adjustable pressure Minimal adjustable pressure 12 154.2700 Knurled nut Flange body / sandwich plate NG6 Data sheet 2.3-740
p [bar] p [bar] 15 253.8000 HB4,5 manual override Flange body / sandwich plate NG10 Data sheet 2.3-760
400 K0220 P N = 350 bar 40 K0221 239.2033 HB0 Screw plug Threaded body Data sheet 2.9-200
P N = 275 bar P N = 160/200/ 17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
300 30 275/350 bar Technical explanations Data sheet 1.0-100
P N = 200 bar 18 160.2170 O-ring ID 17,17 x 1,78 (NBR) Hydraulic fluids Data sheet 1.0-50
200 P N = 160 bar 20 P N = 20/63/ 50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
P N = 100 bar 100 bar Filtration Data sheet 1.0-50
100 P N = 63 bar 10 160.6188 O-ring ID 18,77 x 1,78 (FKM)
P N = 20 bar 60 160.2140 O-ring ID 14,00 x 1,78 (NBR)
0 0
0 25 50 75 100 Q [l/min] 0 25 50 75 100 Q [l/min] 160.6141 O-ring ID 14,00 x 1,78 (FKM) SEALING MATERIAL
70 049.8177 Back-up ring PTSM rd 12,4 x 15,3 x 1,4 NBR or FKM (Viton) as standard, choice in the type code
p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristic
red L
Measured at Q = 10 l/min STANDARDS INSTALLATION NOTES
p [bar] Q [cm /min] Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5
3
400 K0222 P N = 350 bar 250 K0223 Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
300 P N = 275 bar 200 Connection execution D EN 175301 – 803 Tightening torque M = 60 Nm Screw-in cartridge
D
D
P N = 200 bar 150 Protection class EN 60 529 M = 5 Nm knurled nut
200 M = 9,5 Nm HB0
P N = 160 bar 100 Contamination efficiency ISO 4406 D
100 P N = 100 bar M = 5,5 Nm HB4,5
D
P N = 63 bar 50
0 P N = 20 bar 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: 17 41 2.3-529 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 17 41 2.3-529 E
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