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Proportional spool valve
Proportional spool valve Proportional spool valve

Connection example DIMENSIONS HYDRAULIC CONNECTION
A B Cavity drawing according to Wandfluh standard
x y
M33x2
P T s 30
(x)
30
MDPPM16 MDPPM16 M D = 70...80 Nm 63 (4)
Ø 40
(3)
x
(2)
M33 x 2
(1)
T

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS A (y)
Designation Proportional spool valve Working pressure p = 350 bar 118.5
max
Construction Pilot operated Tank pressure p = 100 bar Note! For detailed cavity drawing and cavity tools see data
T max P sheet 2.13-1053
Mounting Screw-in cartridge construction Maximum volume flow Q = 150 l/min, see characteristics
max
Nominal size M33 x 2 according to Wandfluh Nominal volume flow Q = 90 l/min B
N
standard Leakage oil P → T (at 200 bar): < 0,4 l/min
Actuation Pilot valve Fluid Mineral oil, other fluid on request
Ambient temperature -30…+90 °C Viscosity range 12 mm /s…320 mm /s y
2
2
Weight 0,79 kg Temperature range -25…+70 °C (NBR)
MTTFd 150 years fluid -20…+70 °C (FKM)
Contamination Class 18 / 16 / 13
efficiency
Filtration Required filtration grade ß 6…10 ≥ 75, ACCESSORIES ACTUATION
see data sheet 1.0-50 Proportional pressure valves Register 2.3 Actuation Pilot control
Proportional amplifier Register 1.13 Minimum pilot pressure 4,5 bar
PERFORMANCE SPECIFICATIONS Technical explanations Data sheet 1.0-100 Maximum pilot 30 bar
Oil viscosity u = 30 mm /s pressure
2
Filtration Data sheet 1.0-50
∆p = f (Q) Pressure drop-volume flow characteristic Q = f (pv) Volume flow pressure characteristics
∆p = 20 bar
∆p [bar] Q [l/min]
20 K1072 P - A / P - B 100 K1073 INSTALLATION NOTES SURFACE TREATMENT
15 80 Mounting type Screw-in cartridge M33 x 2 The external parts of the cartridge body are zink / nickel coated
B - T
A - T 60 Mounting position Any, preferably horizontal
10
40 Tightening torque M = 80 Nm screw-in cartridge
5 20 D
0 0
0 20 40 60 80 100 120 140 Q [l/min] 0 5 10 15 20 25 p [bar]

Q= f (p) Volume flow pressure characteristics STANDARDS SEALING MATERIAL
p = 15 bar NBR as standard
v Cartridge cavity Wandfluh standard
Q [l/min] Contamination ISO 4406
150 K4280 efficiency
125 P - B / A - T
100 P - A / B - T
75
50
25
0
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 [email protected]

www.wandfluh.com Illustrations are not binding Data subject to change 2/3 Edition: 22 10 1.10-2310 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 22 10 1.10-2310 E
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