Page 299 - Softbound_Edition_19_en

Spool valve
Spool valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
Δp = f (Q) Pressure drop-volume flow characteristics Volume flow direction
p [bar] Symbol P - A P - B P - T A - T B - T
16 K4260 AB1 / AB2 / AB3 3 3 - 2 2
12 ACB 3 3 - 1 1

8 3 ADB 2 2 - 1 1
2
4 1
0
0 1 2 3 4 5 6 7 8 Q [l/min]

DIMENSIONS HYDRAULIC CONNECTION

7.5
4.3 P
MD= 2.6Nm
A B
5 11 21
T T 0
29 23 G1/8" G1/8" 30
25 10
20

10 20 30
MD= 1.2Nm
21 38 21
80

PARTS LIST ACCESSORIES

Position Article Description Fixing screws Data sheet 1.0-60
10 056.4701 Cover Threaded subplates Data sheet 2.9-05
20 246.0114 Socket head screw M3 x 14 DIN 912 Multi-station subplates Data sheet 2.9-45
80 160.2045 O-ring ID 4,50 x 1,50 (NBR) Horizontal mounting blocks Data sheet 2.9-85
Technical explanations Data sheet 1.0-100
Filtration Data sheet 1.0-50

SEALING MATERIAL STANDARDS
NBR or FKM (Viton) as standard, choice in the type code Mounting interface Wandfluh standard
Contamination ISO 4406
efficiency

INSTALLATION NOTES SURFACE TREATMENT
Mounting type Flange mounting ◆ The valve body is painted with a two component paint
3 fixing holes for ◆ The covers are zinc-nickel coated
socket head screws M4 x 30
Mounting position Any, preferably horizontal
Tightening torque Fixing screws M = 2,6 Nm (quality 8.8,
D
zinc coated)
Note! The length of the fixing screw depends on the base
material of the connection element.
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 3/3 Edition: 21 30 1.7-15 E
Page 299