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Spool valve
Spool valve Spool valve
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS MANUAL OVERRIDE ACCESSORIES
Designation 4/2-spool valve Working pressure p = 315 bar Integrated in the cover. Actuation by pressing the pin. Fixing screws Data sheet 1.0-60
max
Construction Direct operated Tank pressure p = 160 bar Threaded subplates Data sheet 2.9-40
T max
Mounting Flange construction System pressure 25…315 bar Multi-station subplates Data sheet 2.9-70
Nominal size NG10 according to ISO 4401-05 Reversal pressure Maximum 90% of the system pressure Horizontal mounting blocks Data sheet 2.9-110
Actuation Integral pressure reversal Maximum volume flow Q = 60 l/min, see characteristics
max Technical explanations Data sheet 1.0-100
Ambient temperature -25…+70 °C Minimum volume flow Q = 4 l/min
min Filtration Data sheet 1.0-50
Weight 4,8 kg Fluid Mineral oil, other fluid on request
MTTFd 150 years Viscosity range 12 mm /s…320 mm /s
2
2
Temperature range -25…+70 °C (NBR)
fluid -20…+70 °C (FKM)
Contamination Class 20 / 18 / 14
efficiency
Filtration Required filtration grade ß 10…16 ≥ 75, SEALING MATERIAL COMMISSIONING
see data sheet 1.0-50 NBR or FKM (Viton) as standard, choice in the type code Attention! The reversal pressure adjusted on the pressure reliefs
must not exceed a maximum of 90% of the system
pressure.
PERFORMANCE SPECIFICATIONS
2
Oil viscosity u = 30 mm /s
Δp = f (Q) Pressure drop-volume flow characteristics
p [bar] INSTALLATION NOTES SURFACE TREATMENT
5 K0435 The valve body is coated with a two component paint
Mounting type Flange mounting ◆
4 The covers and the screws are zinc coated
4 fixing holes for ◆
3 socket head screws M6 x 65
2 Mounting position Any, preferably horizontal
1 Tightening torque Fixing screws M = 8,9 Nm (quality 8.8,
D
0 zinc coated)
0 10 20 30 40 50 60 Q [l/min]
Note! The length of the fixing screw depends on the base
material of the connection element.
DIMENSIONS HYDRAULIC CONNECTION
128 54
P
10.5 1.5
16.8
6.5 46 A B
MD=8.9Nm 9.7
T To
7
123
20.8
60 62 24
55
10 20 s14
MD= 8.9Nm MD= 10Nm
6 40 93 40 6
185
PARTS LIST STANDARDS
Position Article Description Mounting interface ISO 4401-05
10 246.3141 Socket head screw M6 x 40 DIN 912 Contamination ISO 4406
20 160.2140 O-ring ID 14,00 x 1,78 (NBR) efficiency 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: 20 22 1.8-40 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 20 22 1.8-40 E
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