Page 1252 - Softbound_Edition_19_en

Proportional flow control valve Proportional flow control valve
Proportional flow control valve

TYPE CODE PERFORMANCE SPECIFICATIONS
2
Q S P PU10 - 25 - / - # Oil viscosity u = 30 mm /s
Flow control valve Q = f (I) Volume flow signal characteristics Q = f (p) Volume flow pressure characteristics
Measured at p = 150 bar I = I
Normally closed G
Q [l/min] Q [l/min]
Proportional K4246 K4247
40 40
Screw-in cartridge 7/8“ - 14 UNF 30 Q N = 25 l/min 30 210 bar Q N = 25 l/min
Nominal volume flow rate Q 25 l/min 20 20
N
Nominal voltage U N 12 VDC G12 10 10
24 VDC G24 0 0
without coil X5 0 10 20 30 40 50 60 70 80 90 100 I [%] 0 50 100 150 200 250 p [bar]

Slip-on coil Metal housing round V
Metal housing square N
DIMENSIONS HYDRAULIC CONNECTION
Connection execution Connector socket EN 175301-803 / ISO 4400 D Cavity drawing according to UNF
Connector socket AMP Junior-Timer J
Connector Deutsch DT04-2P G s30
A 7/8"-14 UNF-2B
Sealing material NBR
*
FKM (Viton) D1 MD=5.5Nm 7/8"-14UNF-2A
76 (3)
Manual override without HB0 (3) (2)
with HZ 37 (1)
(2)
V =
Design index (subject to change)
2.6-638
12 17 10 50 70 60 90 80
MD=5Nm 82.7 61
HYDRAULIC SPECIFICATIONS INSTALLATION NOTES 151.7
Attention! For detailed cavity drawing and cavity tools see data
Working pressure p = 350 bar Mounting type Screw-in cartridge type ⁄8 “-14 UNF
7
max sheet 2.13-1058
Maximum volume flow Q = 35 l/min Mounting position Any, preferably horizontal HB0
max
Minimum volume flow Q = 0,5 l/min Tightening torque M = 60 Nm Screw-in cartridge A
min D MD= 9.5Nm
Volume flow direction 3 → 2 M = 5 Nm knurled nut
D
Leakage oil Poppet type, max. 0,5 ml / min (approx. M = 5,5 Nm HZ 74.8 11
D
10 drop / min) at 30 cSt M = 9,5 Nm HB0 35 PARTS LIST
D
Nominal volume flow Q = 25 l/min Position Article Description
N
range ACCESSORIES N = 15 4 10 206.2... V.E37 / 19 x 50
Hysteresis ≤ 10 % at optimal dither signal Proportional amplifier Register 1.13 260.5... N.S35 / 19 x 50
Repeatability ≤ 2 % at optimal dither signal 10 12 154.2700 Knurled nut
Fluid Mineral oil, other fluid on request Mating connector black (B) Articel no. 219.2002 *After loosening, open further only by hand (without tools). 15 239.2033 Screw plug HB0 (incl. seal)
Viscosity range 12 mm /s…320 mm /s Technical explanations Data sheet 1.0-100 17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
2
2
Temperature range -25…+70 °C (NBR) Filtration Data sheet 1.0-50
fluid -20…+70 °C (FKM) 50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
Contamination Class 18 / 16 / 13 160.8188 O-ring ID 18,77 x 1,78 (FKM)
efficiency MANUAL OVERRIDE STANDARDS 60 160.2140 O-ring ID 14,00 x 1,78 (NBR)
Filtration Required filtration grade ß 6…10 ≥ 75, Screw plug (HB0), no actuation possible. Cartridge cavity Wandfluh standard 160.8140 O-ring ID 14,00 x 1,78 (FKM)
see data sheet 1.0-50 Optionally: HZ (pull) Solenoids DIN VDE 0580 70 160.2120 O-ring ID 12,42 x 1,78 (NBR)
Attention! The manual override HZ cannot be retrofitted. Connection execution D EN 175301 – 803 160.8124 O-ring ID 12,42 x 1,78 (FKM)
Protection class EN 60 529 80 049.8177 Back-up ring PTSM rd 12,4 x 15,3 x 1,4
Contamination efficiency ISO 4406 90 049.8166 Backup ring PTSM rd 10,8 x 13,7 x 1,4

SURFACE TREATMENT SEALING MATERIAL
◆ The cartridge body, the slip-on coil and the armature tube are NBR or FKM (Viton) as standard, choice in the type code
zinc-nickel coated
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: 20 38 2.6-638 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 20 38 2.6-638 E
Page 1252