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You may also be interested in
Encapsulated coil, Poppet valve, Hydraulic valve, Hydraulic solenoid valve, Control valve
Text version of the page
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WANDFLUH
Hydraulics+ Electronics
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Solenoid poppet al e cartridge 2/2 a ersion
Pilot operated a 80 1/ in
p 350 ar
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M22 1 5
ISO 7789
II 2 / II 2 D X/ EE e II T4
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DESCRIPTION
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FUNCTION
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APPLICATION
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Pilot operated 2/2-way solenoid poppet valve in screw-in cartridge design with thread M22 x1,5 for cavity acc. to ISO 7789. 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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For the function normally closed with deener-gised pull-type solenoid, and normally open with energised push-type solenoid, the diffe-rential area poppet piston is held in closed position by a spring and seals leak free from port 2 to 1. If pull-type solenoid is energised respectively push-type solenoid deenergised, the poppet piston will open flow passage from 2 to 1 after having reached the opening pressure. In the normally closed valve with deenergised solenoid respectively the nor-mally open valve with energised solenoid flow passage from 1 to 2 is open when the opening pressure has been reached.
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Wandfluh solenoid operated poppet valves are applied where an absolutly leak free closing of the valve is essential like in load holding-, clamping- or gripping functions. These valves are suitable for hazardeous areas in off-shore and shipbuilding applications as well as in the chemical-, oil- and gas industry. The screw-in cartridges are mainly used in mobile or station-ary integrated blocks and in size NG4-Mini and NG6 flange and sandwich bodies. To machine the cavities in steel or aluminium blocks, cavity tools may be supplied (hire or purchase). Please refer to the data sheets in register 2.13.
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CONTENT_
GENERA SPECIFICATIONS ....................1
H DRAU IC SPECIFICATIONS.................1
S MBO S ................................................... 1
E ECTRICA CONTRO ............................ 2
START-UP ................................................... 2
CHARACTERISTICS................................... 2
DIMENSIONS/
SECTIONA DRAWING .............................. 2
PARTS IST ................................................ 2
ACCESSORIES........................................... 2
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TYPE CODE
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/ T4 # □
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Poppet valve
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S V
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PM22 -
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Pilot operated
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Explosion proof solenoid EEx em
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Screw-in cartridge M22x1,5
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DC CD
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2/2-way, normally closed 2/2-way, normally open
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Standard-nominal voltage UN:
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24VDC G24
115 VAC R115 230 VAC R230
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Execution T1 T4
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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 Construction Operation Mounting
Admissible ambient temperature * Mounting position Fastening torque
Weight
Volume flow
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Pilot operated 2/2-way solenoid poppet valve Screw-in cartridge for cavity acc. to ISO 7789 Solenoid
Screw-in thread M22x1,5 -20 +40 °C
any, preferably horizontal
MD = 50 Nm for cartridge
ML = 5 Nm for coil retaining nut
m = 0,96 kg
see symbols
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Fluid
Contamination efficiency
Viscosity range Admissible fluid temperature * Working pressure Nominal flow Max. volume flow Pressure drop Opening pressure
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Mineral oil, other fluid on request
ISO 4406:1999, classe 18/16/13
(Required filtration grade 6 10>75) see data sheet 1.0-50/2 12 mm2/s 320 mm2/s -20 +40°C
p = 350 bar
max
QN = 60 l/min
Qmax = 80 l/min
see characteristics 1,4 bar
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SYM OLS
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5
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[ZB
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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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I7W t
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SV PM22-DC
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SV PM22-CD
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Wandfluh AG Postfach
CH-3714 Frutigen
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Tel. +41 33 6 72 72 72 E-mail: sales@wandfluh.com Fax +41 33 672 72 12 Internet: www.wandfluh.com
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Illustrations not obligatory Data subject to change
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Data sheet no. 1.11- E 1/2
Edition 06 13
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