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

TYPE CODE PERFORMANCE SPECIFICATIONS
2
M P P PU10 - - / - # 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 7/8“ - 14 UNF 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
Connection execution Connector socket EN 175301 - 803 / ISO 4400 D p =f (I) Pressure adjustment characteristics
Connector socket AMP Junior - Timer J Bis I = 40 % leicht erhöhte Hysterese
Connector Deutsch DT04 - 2P G G
p [bar]
red
Sealing material NBR 200 K4169 p N red = 200 bar
FKM (Viton) D1 180
160
Manual override Manual override HB4,5 140 p N red = 115 bar
120
Screw plug HB0 100
80 p N red = 80 bar
60
Design index (subject to change) 40
20 p N red = 20 bar
2.3-673 0
0 10 20 30 40 50 60 70 80 90 100 I [%]
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
Mounting Screw-in cartridge construction range ACCESSORIES MANUAL OVERRIDE
Nominal size 7 ⁄8 “-14 UNF according to Wandfluh Minimum adjustable < 1 bar Proportional amplifier Register 1.13 HB4,5
standard pressure Electric plug B (black) Article no. 219.2002 Optionally: Screw plug (HB0), no actuation possible
Actuation Proportional solenoid Volume flow range See characteristic Technical explanations Data sheet 1.0-100
Ambient temperature -25…+70 °C Leakage oil at p = 350 bar Hydraulic fluids Data sheet 1.0-50
sys
Weight 0,55 kg < 30 ml/min for p N red = 20, 80, 115 bar
MTTFd 150 years < 50 ml/min for p N red = 200 bar Filtration Data sheet 1.0-50
Hysteresis ≤ 4 % at optimal dither signal
Repeatability ≤ 1 % at optimal dither signal
Fluid Mineral oil, other fluid on request
ELECTRICAL SPECIFICATIONS Viscosity range 12 mm /s…320 mm /s SURFACE TREATMENT SEALING MATERIAL
2
2
NBR or FKM (Viton) as standard, choice in the type code
The cartridge body, the slip-on coil and the armature tube are
Protection class Connection execution D: IP65 Temperature range -25…+70 °C (NBR) ◆ zinc-nickel coated
Connection execution J: IP66 fluid -20…+70 °C (FKM)
Connection execution G: IP67 and IP69K Contamination Class 18 / 16 / 13
Relative duty factor 100 % DF 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)
N
G
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: 17 49 2.3-673 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 17 49 2.3-673 E
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