Page 282 - Softbound_Edition_19_en

Spool valve
Spool valve Spool valve

TYPE CODE PERFORMANCE SPECIFICATIONS
2
WD L F A03 - - # Oil viscosity u = 30 mm /s
Spool valve, direct operated
p = f (Q) Performance limits Q = f (Q) Leakage volume flow characteristics
L
Pneumatically operated per control edge
p [bar] Q [cm /min]
3
Flange construction ACB/AC1/CB2
350 K0655 ADB/AD1/DB2 40 K4262
Mounting interface acc. to Wandfluh standard, NG3-Mini 300
250 30
200
Designation of symbols acc. to table AB1/AB2
150 20
Sealing material NBR 100 10
FKM (Viton) D1 50 AB3
0
0 1 2 3 4 5 6 7 8 Q [l/min] 0 p [bar]
Design index (subject to change) 0 50 100 150 200 250 300 350
1.6-15
Δp = f (Q) Pressure drop-volume flow characteristics Volume flow direction
HYDRAULIC SPECIFICATIONS SURFACE TREATMENT p [bar] Symbol P - A P - B P - T A - T B - T
Working pressure p = 350 bar (p < 20 bar) ◆ The valve body is painted with a two component paint 16 K4261 AB1 / AB2 / AB3 3 3 - 2 2
T
max
p = 315 bar (p > 20 bar) ◆ The cover is zinc-nickel coated 12 3 ACB / AC1/ CB2 3 3 - 1 1
max T The pneumatic actuation is zinc coated
Tank pressure p = 100 bar ◆ ADB / AD1 / DB2 2 2 - 1 1
T max 8 2
Maximum volume flow Q = 8 l/min, see characteristics 1
max
4
Leakage oil See characteristics 0
Fluid Mineral oil, other fluid on request 0 1 2 3 4 5 6 7 8 Q [l/min]
Viscosity range 12 mm /s…320 mm /s
2
2
Temperature range -25…+70 °C (NBR)
fluid -20…+70 °C (FKM) MANUAL OVERRIDE DIMENSIONS
Contamination Class 20 / 18 / 14 None 4/3-way valve (spring centred) 4/2-way valve (spring reset)
efficiency 4/2-way valve (impulse)
Filtration Required filtration grade ß 10…16 ≥ 75, 7.5
see data sheet 1.0-50
4.2 MD= 2.6Nm
5

29 29
SEALING MATERIAL STANDARDS G1/8" 25 30
NBR or FKM (Viton) as standard, choice in the type code
Mounting interface Wandfluh standard
Contamination ISO 4406 10 40 10 50 20 30
efficiency MD=1.2Nm 35 38 7 MD= 1.2Nm
114 83

INSTALLATION NOTES ACCESSORIES
HYDRAULIC CONNECTION PARTS LIST
Mounting type Flange mounting Fixing screws Data sheet 1.0-60
3 fixing holes for Threaded subplates Data sheet 2.9-05 Position Article Description
socket head screws M4 x 30 Multi-station subplates Data sheet 2.9-45 P 10 254.1000 Pneumatic actuation CKIII
Mounting position Any, preferably horizontal Horizontal mounting blocks Data sheet 2.9-85 A B 11 21 20 056.4200 Cover
Tightening torque M = 2,6 Nm (screw quality 8.8, Technical explanations Data sheet 1.0-100 T T 0 30 246.0109 Socket head screw M3 x 8 DIN 912
D
zinc-coated) Fixing screws 40 246.0141 Socket head screw M3 x 40 DIN 912
Note! The length of the fixing screw depends on the base Filtration Data sheet 1.0-50 10
material of the connection element. 50 160.2045 O-ring ID 4,50 x 1,50 (NBR)
20

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 33 1.6-15 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 21 33 1.6-15 E
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