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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 2.9-30
T max
Mounting Flange construction System pressure 25…315 bar Multi-station subplates Data sheet 2.9-60
Nominal size NG6 according to ISO 4401-03 Reversal pressure Maximum 90 % of the system pressure SEALING MATERIAL Horizontal mounting blocks Data sheet 2.9-100
Actuation Integral pressure reversal Maximum volume flow Q = 30 l/min, see characteristics NBR or FKM (Viton) as standard, choice in the type code
max Technical explanations Data sheet 1.0-100
Ambient temperature -25…+70 °C Filtration Data sheet 1.0-50
Weight 2,5 kg Minimum volume flow Q = 2 l/min
min
MTTFd 150 years Fluid Mineral oil, other fluid on request
Viscosity range 12 mm /s…320 mm /s
2
2
Temperature range -25…+70 °C (NBR)
fluid -20…+70 °C (FKM) INSTALLATION NOTES SURFACE TREATMENT
Contamination Class 20 / 18 / 14 Mounting type Flange mounting ◆ The valve body is coated with a two component paint
efficiency 4 fixing holes for ◆ The covers and the screws are zinc coated
Filtration Required filtration grade ß 10…16 ≥ 75, socket head screws M5 x 45
see data sheet 1.0-50 Mounting position Any, preferably horizontal
Tightening torque Fixing screws M = 5,2 Nm (screw COMMISSIONING
D
PERFORMANCE SPECIFICATIONS quality 8.8, zinc coated) Attention! The reversal pressure adjusted on the pressure reliefs
Oil viscosity u = 30 mm /s must not exceed a maximum of 90% of the system
2
Note! The length of the fixing screw depends on the base pressure.
Δp = f (Q) Pressure drop-volume flow characteristics material of the connection element.
p [bar]
20 K0426 P A / P B
16 A T / B T
12
8
4
0
0 5 10 15 20 25 30 Q [l/min]
DIMENSIONS HYDRAULIC CONNECTION
99 17.8
T
A B
31 21 32.5
9.5
5.2
P
MD=5.2Nm
107 7 21.5
40.5
45 46
39
10 20 s14
MD= 2.6Nm MD=10Nm
6 40 64 40 6
156
PARTS LIST STANDARDS
Position Article Description Mounting interface ISO 4401-03
10 246.1141 Socket head screw M4 x 40 DIN 912 Contamination ISO 4406
20 160.2093 O-ring ID 9,25 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 1.8-20 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 20 22 1.8-20 E
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