Page 900 - Softbound_Edition_19_en

Pressure reducing valve
Pressure reducing valve Pressure reducing valve

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS
Designation Pressure reducing valve Working pressure p = 400 bar Key adjustment „S” Control knob adjustment „D”
max
Construction Pilot operated Nominal pressure p N red = 63 bar, 160 bar, 350 bar 17 s4 25.5
Mounting Screw-in cartridge construction range
Nominal size M22 x 1,5 according to ISO 7789 Volume flow range Q = 0…80 l/min 30
Actuation Manually Leakage oil See characteristics
Ambient temperature -25…+90 °C Fluid Mineral oil, other fluid on request 40 20
2
2
Weight 0,17 kg key adjustment Viscosity range 12 mm /s…320 mm /s s13
0,18 kg control knob adjustment Temperature range -25…+90 °C (NBR) 40.4 47.9
0,22 kg cover fluid -20…+90 °C (FKM) s27
MTTFd 150 years Contamination Class 18 / 16 / 13
efficiency
Filtration Required filtration grade ß 10…16 ≥ 75,
see data sheet 1.0-50 100.3 M22x1.5 50 107.8

PERFORMANCE SPECIFICATIONS
2
Oil viscosity u = 30 mm /s (3)
p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics 59.9 60 HYDRAULIC CONNECTION
red red
Maximal adjustable pressure Minimal adjustable pressure 70 Cavity drawing according to ISO 7789–22–04–0–98
p [bar] * Consumer resistance depending on the system (2)
400 K0336 p [bar] 80 M22x1.5
P N red = 350 bar 80 K0370
300 90
60 (1) (3)
200
P N red = 160 bar 40 P N red = 160/350 bar Cover „A”
100 23 (2)
P N red = 63 bar 20
0  ∗
80 60 40 20 0 20 40 60 80 0 P N red = 63 bar (1)
A  T Q [l/min] P  A 80 60 40 20 0 20 40 60 80
A  T Q [l/min] P  A 25 (1)

Note! For detailed cavity drawing and cavity tools see data
p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristic sheet 2.13-1004
red L 46.8
Measured at Q = 0 l/min (static) A (1) → T (3)
p [bar] pressure in P (2) = 350 bar
P N red = 350 bar
350 K0323 Q [cm /min]
3
300 1000 K0760
250
200 800 106.7 PARTS LIST
150 P N red = 160 bar 600
100 400 Position Article Description
50 P N red = 63 bar 20 114.2224 Control knob
0 200 ACCESSORIES
0 1 2 3 4 5 n [-] 0 25 032.0611 Cover rd 23 / 3 x 35
100
50
0 P N red = 160/350 bar 150 200 250 300 350 p red. [bar] Adjustment types for screw-in cartridges Data sheet 2.0-50 30 193.1061 Retainer rd 6 DIN 6799
P N red = 63 bar Flange body / sandwich plate NG4-Mini Data sheet 2.2-620 40 153.1402 Hexagon nut 0,5d M8 x 1
Flange body / sandwich plate NG6 Data sheet 2.2-640 50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
SEALING MATERIAL SURFACE TREATMENT Flange body / sandwich plate NG10 Data sheet 2.2-660 160.6188 O-ring ID 18,77 x 1,78 (FKM)
NBR or FKM (Viton) as standard, choice in the type code ◆ The cartridge body made of steel is zinc-nickel coated Threaded body Data sheet 2.9-210 60 160.2156 O-ring ID 15,60 x 1,78 (NBR)
◆ The control knob is made of plastic Technical explanations Data sheet 1.0-100 160.6156 O-ring ID 15,60 x 1,78 (FKM)
Filtration Data sheet 1.0-50 70 049.3196 Backup ring rd 16,1 x 19 x 1,4
STANDARDS INSTALLATION NOTES 80 160.2140 O-ring ID 14,00 x 1,78 (NBR)
160.6141 O-ring ID 14,00 x 1,78 (FKM)
Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5 90 049.3176 Backup ring rd 14,1 x 17 x 1,4
Contamination ISO 4406 Mounting position Any, preferably horizontal
efficiency Tightening torque M = 60 Nm Screw-in cartridge
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: 21 51 2.2-530 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 21 51 2.2-530 E
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