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Proportional pressure reducing valve
Proportional pressure reducing valve Proportional pressure reducing valve

TYPE CODE PERFORMANCE SPECIFICATIONS
2
M P P PM22 - - / - # Oil viscosity u = 30 mm /s
Pressure reducing valve p =f (Q) Pressure volume flow characteristic p =f (Q) Pressure volume flow characteristic
Maximal adjustable pressure Minimal adjustable pressure
Direct operated by means of pilot spool
p [bar] p [bar]
Proportional K4167 K4168
300 100
90
Screw-in cartridge M22 x 1,5 250 80
200 p N red = 200 bar 70
60
Nominal pressure range p N red 20 bar 20 115 bar 115 150 50
80 bar 80 200 bar 200 100 p N red = 115 bar 40
30
p N red = 80 bar
50 20
Nominal voltage U 12 VDC G12 p N red = 20 bar 10
N 0 0
24 VDC G24 25 20 15 10 5 0 5 10 15 20 25 25 20 15 10 5 0 5 10 15 20 25
without coil X5 A  T Q [l/min] P  A A  T Q [l/min] P  A

Slip-on coil Metal housing round W
Metal housing square M p =f (I) Pressure adjustment characteristics
Bis I = 40 % leicht erhöhte Hysterese
Connection execution Connector socket EN 175301 - 803 / ISO 4400 D G
Connector socket AMP Junior - Timer J p [bar]
red
Connector Deutsch DT04 - 2P G 200 K4169 p N red = 200 bar
180
Sealing material NBR 160
140
FKM (Viton) D1 120 p N red = 115 bar
100
80 p N red = 80 bar
Manual override Manual override HB4,5 60
Screw plug HB0 40
20 p N red = 20 bar
0
Design index (subject to change) 0 10 20 30 40 50 60 70 80 90 100 I [%]
2.3-625

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Designation Proportional pressure reducing valve Working pressure p = 350 bar
max
Construction Direct operated by means of pilot spool Nominal pressure P N red = 20, 80, 115, 200 bar ACCESSORIES MANUAL OVERRIDE
Mounting Screw-in cartridge construction range Proportional amplifier Register 1.13 HB4,5
Nominal size M22 x 1,5 according to ISO 7789 Minimum adjustable < 1 bar Electric plug B (black) Article no. 219.2002 Optionally: Screw plug (HB0), no actuation possible
Actuation Proportional solenoid pressure Technical explanations Data sheet 1.0-100
Ambient temperature -25…+70 °C Volume flow range See characteristic Hydraulic fluids Data sheet 1.0-50
Weight 0,55 kg Leakage oil at p = 350 bar
sys
MTTFd 150 years < 30 ml/min for p N red = 20, 80, 115 bar Filtration Data sheet 1.0-50
< 50 ml/min for p = 200 bar
N red
Hysteresis ≤ 4 % at optimal dither signal
Repeatability ≤ 1 % at optimal dither signal
ELECTRICAL SPECIFICATIONS Fluid Mineral oil, other fluid on request
Viscosity range 12 mm /s…320 mm /s
2
2
Protection class Connection execution D: IP65
Connection execution J: IP66 Temperature range -25…+70 °C (NBR) SURFACE TREATMENT SEALING MATERIAL
Connection execution G: IP67 and IP69K fluid -20…+70 °C (FKM)
Relative duty factor 100 % DF Contamination Class 18 / 16 / 13 ◆ 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
efficiency
Standard nominal 12 VDC, 24 VDC Filtration Required filtration grade ß 6…10 ≥ 75,
voltage see data sheet 1.0-50
Limiting current at I = 1360 mA (U = 12VDC)
G
N
50 °C I = 680 mA (U = 24VDC)
G N
Note! Other electrical specifications see data sheet 1.1-173
(slip-on coil W) and 1.1-174 (slip-on coil M)

www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 18 35 2.3-625 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 18 35 2.3-625 E
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