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Flow control valve
Flow control valve Flow control valve

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS
Designation 2-way flow control cartridge Working pressure p = 350 bar Key adjustment „S” Control knob adjustment „D”
max
Mounting Screw-in cartridge construction Regelgenauigkeit ≤ 1 % 17 s3 26
Nominal size M22 x 1,5 according to ISO 7789 Maximum volume flow Q = 48 l/min
max 30
Ambient temperature -25…+90 °C Minimum volume flow Q = 0,1 l/min
min
Weight 0,18 kg key adjustment Volume flow direction 1 → 2 adjustable flow 40 20
0,19 kg control knob adjustment Nominal volume flow Q = 2,5; 6,3; 16; 25; 40 l/min s10
N
0,24 kg cover Fluid Mineral oil, other fluid on request
MTTFd 150 years Viscosity range 12 mm /s…320 mm /s
2
2
Temperature range -25…+90 °C (NBR) 48.4 s27 55.9
fluid -20…+90 °C (FKM)
Contamination Class 18 / 16 / 13 Ø30
efficiency 88
Filtration Required filtration grade ß 6…10 ≥ 75, 95.5
see data sheet 1.0-50 M22x1.5 50
39.6 2(T)

PERFORMANCE SPECIFICATIONS 70
Oil viscosity u = 30 mm /s 60
2
Q = f (p) Volume flow pressure characteristic Q = f (p) Volume flow pressure characteristic
1(P)
Q [l/min] Q [l/min]
8 K0821_2 50 K0821_3 Cover „A” HYDRAULIC CONNECTION
6 40 Q N = 40 l/min 23 Cavity drawing according to ISO 7789–22–01–0–98
Q N = 6,3 l/min 30
4 Q N = 25 l/min
20 25 M22x1.5
2 Q N = 2,5 l/min 10 Q N = 16 l/min
0 0
0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]
(2)

Q = f (n) Volume flow adjustment characteristics Q = f (p) Leakage volume flow characteristic 56.2 (1)
L
@ p = 350 bar
Q [l/min] Q [cm /min] (1)
3
50 K0823_1 100 K0822 95.8
40 Q N = 40 l/min 80 Note! For detailed cavity drawing and cavity tools see data
30 60 sheet 2.13-1008
Q N = 25 l/min
20 40
Q N = 16 l/min
10 20
Q N = 6,3 l/min
0 Q N = 2,5 l/min 0 PARTS LIST ACCESSORIES
0 0,5 1 1,5 2 2,5 n [-] 0 50 100 150 200 250 300 350 p [bar]
Position Article Description Types of adjustment for screw-in Data sheet 2.0-50
20 114.2299 Control knob cartridges
25 032.0611 Cover rd 23 / 3 x 35 Flange body / sandwich plate NG4-Mini Data sheet 2.5-720
SEALING MATERIAL SURFACE TREATMENT 30 193.1040 Retainer rd 4 DIN 6799 Flange body / sandwich plate NG6 Data sheet 2.5-740
NBR or FKM (Viton) as standard, choice in the type code ◆ The cartridge body is zinc-nickel coated 40 153.1302 Hexagon nut 0,5d M6 x 3,2 Threaded body Data sheet 2.9-205
◆ The control knob is made of plastic Technical explanations Data sheet 1.0-100
50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
160.6188 O-ring ID 18,77 x 1,78 (FKM) Filtration Data sheet 1.0-50
INSTALLATION NOTES STANDARDS 60 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM)
Mounting type Screw-in cartridge M22 x 1,5 Cartridge cavity ISO 7789 70 049.3196 Backup ring rd 16,1 x 19 x 1,4
Mounting position Any, preferably horizontal Contamination ISO 4406
Tightening torque M = 60 Nm Screw-in cartridge efficiency Wandfluh AG Postfach CH-3714 Frutigen
D
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 28 2.5-535 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 20 28 2.5-535 E
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