Page 998 - 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 7789–42–02–0–07
max
Construction Pilot operated Tank pressure p = p + 15 bar
T max P s41
Mounting Screw-in cartridge construction Nominal pressure P = 100 bar, 200 bar, 275 bar, 350 bar M42x2
N
Nominal size M42 x 2 according to ISO 7789 range 15 M42x2
Actuation Proportional solenoid Volume flow range Q = 5…400 l/min 81.7 MD=5.5Nm (2)
Ambient temperature -25…+70 °C Leakage oil See characteristics 37.1 (1) (2)
Weight 0,90 kg Hysteresis ≤ 5 % at optimal dither signal
MTTFd 150 years Repeatability ≤ 2 % at optimal dither signal W =
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) 85.8 56.7
ELECTRICAL SPECIFICATIONS fluid -20…+70 °C (FKM) 148.7 Note! For detailed cavity drawing and cavity tools see data
Contamination Class 18 / 16 / 13 sheet 2.13-1048
Protection class Connection execution D: IP65 HB0
15
Connection execution J: IP66 efficiency MD= 9.5Nm
Connection execution G: IP67 and IP69K Filtration Required filtration grade ß 6…10 ≥ 75,
Relative duty factor 100 % DF see data sheet 1.0-50
Standard nominal 12 VDC, 24 VDC 80.8 35
voltage
Limiting current at I = 1320 mA (U = 12VDC) M =
N
G
50 °C I = 660 mA (U = 24VDC)
G N
10
Note! Other electrical specifications see data sheet 1.1-173
(slip-on coil W) and 1.1-174 (slip-on coil M)
PARTS LIST ACCESSORIES
Position Article Description Proportional amplifier Register 1.13
PERFORMANCE SPECIFICATIONS 10 206.2… W.S37 / 19 x 50 Electric plug B (black) Article no. 219.2002
2
Oil viscosity u = 30 mm /s 260.5… M.S35 / 19 x 50 Threaded body Data sheet 2.9-200
p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics 12 154.2700 Knurled nut Technical explanations Data sheet 1.0-100
red red
Maximal adjustable pressure Minimal adjustable pressure 15 253.8000 HB4,5 manual override Hydraulic fluids Data sheet 1.0-50
p [bar] p [bar] 239.2033 HB0 Screw plug Filtration Data sheet 1.0-50
P N = 350 bar
400 K0731_2 30 K0732_2 17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
25 P N = 350 bar
300 P N = 275 bar P N = 275 bar 18 160.2170 O-ring ID 17,17 x 1,78 (NBR)
20 P N = 200 bar
P N = 100 bar
200 P N = 200 bar 15 50 160.2377 O-ring ID 37,77 x 2,62 (NBR) MANUAL OVERRIDE
160.6379
O-ring ID 37,77 x 2,62 (FKM)
100 P N = 100 bar 10 HB4,5
5 60 160.2314 O-ring ID 31,42 x 2,62 (NBR)
0 0 160.6315 O-ring ID 31,42 x 2,62 (FKM) Optionally: Screw plug (HB0), no actuation possible
0 50 100 150 200 250 300 350 400 Q [l/min] 0 50 100 150 200 250 300 350 400 Q [l/min]
70 049.8364 Backup ring PTSM rd 29,1 x 33,6 x 1 ,4

p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristic SURFACE TREATMENT SEALING MATERIAL
red
L
Measured at Q = 30 l/min
◆ The cartridge body, the slip-on coil and the armature tube are NBR or FKM (Viton) as standard, choice in the type code
p [bar] Q [cm /min] zinc-nickel coated
3
L
400 K0733_2 2000 K0734_2
P N = 350 bar
STANDARDS INSTALLATION NOTES
300 P N = 275 bar 1500
200 P N = 200 bar 1000 Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M42 x 2
Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal
100 P N = 100 bar 500 Connection execution D EN 175301 – 803 Tightening torque M = 100 Nm Screw-in cartridge
D
0 0 Protection class EN 60 529 M = 5 Nm knurled nut
D
0 10 20 30 40 50 60 70 80 90 100 l [%] 0 50 100 150 200 250 300 350 p [bar] Contamination efficiency ISO 4406 M = 9,5 Nm HB0
D
M = 5,5 Nm HB4,5
D
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 45 2.3-590 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 17 45 2.3-590 E
Page 998