Page 250 - Softbound_Edition_19_en

Spool valve
Spool valve Spool valve

SYMBOL DIMENSIONS PARTS LIST
Overview valves Position Article Description
A B A B 7.5 20 253.1100 Mechanical control head BT III
4.2 MD= 2.6Nm 50
a b a b 30 246.0126 Socket head screw M3 x 25 DIN 912
a b a b 5
P T P T 40 246.0131 Socket head screw M3 x 30 DIN 912
50 238.1100 Screw plug M10 x 1 DIN 7604A
Overview spool types 16 29 30 34
A B A B 25 70 221.1166 Spring tension split pin ø 2 x 16 DIN 6325
AB1
b
a
a a b b AB2 20 70 40 80 30 80 160.2045 O-ring ID 4,50 x 1,50 (NBR)
a
b
P T P T MD=1.2Nm MD=1.2Nm

26
A B A B
49 38 20
AC1
b
a
a a b b CB2 118
a
b
P T P T Width of the roller = 4.8 mm

A B A B
b AD1 a DB2
a
a b b HYDRAULIC CONNECTION ACCESSORIES
b
a
P T P T Fixing screws Data sheet 1.0-60

A B A B P Threaded subplates Data sheet 2.9-05
BE1
b
a
a a b b EA2 A B 11 21 Multi-station subplates Data sheet 2.9-45
b
a
P T P T T T 0 Horizontal mounting blocks Data sheet 2.9-85
Technical explanations Data sheet 1.0-100
10 Filtration Data sheet 1.0-50
20

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limits Q = f (Q) Leakage volume flow characteristics per control STANDARDS SEALING MATERIAL
L
p [bar] edge Mounting interface Wandfluh standard NBR or FKM (Viton) as standard, choice in the type code
350 K0529 Q [cm /min] Contamination ISO 4406
3
300 60 K0263 efficiency
250 50
200 40
150 SURFACE TREATMENT INSTALLATION NOTES
100 30 ◆ The valve body is painted with a two component paint Mounting type Flange mounting
50 20 ◆ The roller housing and the cover are zinc-nickel coated
0 10 3 fixing holes for
0 1 2 3 4 5 6 7 8 Q [l/min] 0 socket head screws M4 x 30
150
100
50
0 AB1 / ACx_CBx / ADx_DBx 200 250 300 350 p [bar] Mounting position Any, preferably horizontal
BEx_EAx Tightening torque M = 2,6 Nm (quality 8.8, zinc coated)
D
Fixing screws
Δp = f (Q) Pressure drop volume flow characteristics Volume flow direction Note! The length of the fixing screw depends on the base
p [bar] Symbol P - A P - B P - T A - T B - T material of the connection element.
16 K0528 AB1 / AB2 3 3 - 2 2
5
12 4 AC1 / CB2 3 3 - 1 1
8 3 AD1 / DB2 2 2 - 1 1
2 BE1 / EA2 5 5 3 4 4
4 1
0
0 1 2 3 4 5 6 7 8 Q [l/min]

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 1.5-15 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 21 33 1.5-15 E
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