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You may also be interested in
Solenoid valve, Hydraulic solenoid valve, Encapsulated coil, Electromagnet, Flow regulator
Text version of the page
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WAND F LU H
Hydraulics+ Electronics
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Solenoid o e ed s ool l es
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Solenoid operated spool al e 4/2 a i pulse al e 4/3 a it spring centred id position 4/2 a spring reset
50 l/ in p 350 ar
a 1 a
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N6
ISO 4401-03
II 2 / II 2 D X/ EE e II
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DESCRIPTION
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FUNCTION
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APPLICATION
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Spool valve flange type NG6 with 4 con-nections. Direct solenoid operated spool valve with a 5 annular chamber body design. Activated with explosion proof solenoid. Spool detented or with spring reset. Wet pin solenoid. Precise spool fit, low leak, long service life. Spool made from hardened steel. Valve body made from high grade hydraulic cast iron. EE in accordance with european standards EN 50014, EN 50019, EN 50028 e increased safety encapsulation roup II:
for all applications except mining
one 1 / 21 (and 2 / 22): explosive mixtures present intermittently EC t pe e a ination certi icate PTB 01 ATE 2129
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The energised solenoid shifts the spool into the corresponding position.
4/2-way impulse valve detented: Two solenoids and 2 detented positions. With the solenoid deenergised the spool remains in the last switched position.
4/3-way spool valve:
Two solenoids and 3 positions, spring centered. With the solenoids deenergised the spool re-turns to the center position by spring force. 4/2-way spool valve: One solenoid and 2 positions, spring offset. With the solenoid deenergised the spool returns to the offset position by spring force.
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Solenoid operated spool valves are mainly used to control the direction of movement and retain hydraulic cylinders and motors.The direction of flow through the valve is determined by the spool symbol. Switching performance and possible leakage must be taken into considaration when designing a system. These valves are suitable for hazardeous areas in off-shore and ship-building applications as well as in chemical, oil and gas industry.
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CONTENT
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TYPE CODE
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GENERA SPECIFICATIONS ....................1
H DRAU IC SPECIFICATIONS.................1
E ECTRICA CONTRO ............................ 2
SO ENOID DESCRIPTION ........................ 2
T PE IST/
DESIGNATION OF S MBO S ................... 2
CHARACTERISTICS................................2/3
DIMENSIONS..............................................3
PARTS IST ................................................ 3
ACCESSOIRES........................................... 3
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International mounting interface ISO Explosion proof solenoid
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A E 4
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- S1788 -
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/ n#n
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Number of control ports
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Description of symbols acc. to table 1.3-31/2
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Terminal box without cable
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24 VDC [G24H 115 VAC [RTT51
230 VAC R230
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Standard nominal voltage UN:
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Execution:
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T1...T4 T4
T1...T6 T6 (on request)
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Design-Index (Subject to change)
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ENERAL SPECIFICATIONS
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HYDRAULIC SPECIFICATIONS
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Description Nominal size Construction Operation Mounting
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4/2-, 4/3-spool valve NG6 to ISO 4401-03 Direct operated spool valve Solenoid Flange
4 fixing holes for cyl. screws M5x45 M5x60 with distance plate ADP6/12 Threaded connection plates Multi-flange subplates ongitudinal stacking system
-20 +40 °C
-20 +70 °C (operation as T1 T4) -20 +40 °C (operation as T5/T6)
any, preferably horizontal MD= 5,5 Nm (quantity 8.8)
m = 3,0 kg m = 3,0 kg m = 2,0 kg
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Fluid
Contamination efficiency
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Mineral oil, other fluid on request ISO 4406:1999, classe 20/18/14 (Required filtration grade 10...16>75) refer to data sheet 1.0-50/2 12 mm2/s...320 mm2/s
-20 +40 C
-20 +70 C (operation as T1 T4) -20 +40 C (operation as T5/T6)
p = 350bar
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Viscosity range Admissible fluid temp. Execution T4 Execution T6
Working pressure in port P, A, B Tank pressure in port T Max. volume flow eakage volume flow
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*:
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Connections
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Admissible ambient temp. *: Execution T4 Execution T6
Mounting position Fastening torque Weight:4/2-way imbulse 4/3-way
4/2-way (1 solenoid)
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pmax = 100 bar Qmax = 50 l/min
see characteristics
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* Deviating pressure medium - or ambient temperatures are possible for special arrangements after checking and authorisation by a responsible inspector. Measures for the prevention of the exceeding of the admissible solenoid surface - and internal temperatures can be: a good ventilation, low ambient temperatures (for higher pressure medium temperatures), limitation of the maximum possible power supply voltage, a short switching-on duration, installation on large heat dissipating blocks, etc. The responsibility in all cases lies with the operator, resp. with his inspector.
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Wandfluh AG Postfach
CH-3714 Frutigen
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Tel. +41 33 6 72 72 72 Fax +41 33 672 72 12
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E-mail: sales@wandfluh.com
Internet: www.wandfluh.com
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Illustrations not obligatory Data subject to change
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Data sheet no. 1.-1E 1/3 Edition 06 20
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