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Poppet valve
Poppet valve cartridge Poppet valve

ACCESSORIES MANUAL OVERRIDE Solenoid operated poppet valve cartridge
Threaded body Data sheet 2.9-2xx Screw plug (HB0), no actuation possible. ◆ solenoid actuated M42 x 2
Optionally HN (K) or HG (K) (pushing) resp. HZ (K) (pulling) ◆ pilot operated ISO 7789
Technical explanations Data sheet 1.0-100 → See data sheet 1.1-311 ◆ normally open and normally closed
Filtration Data sheet 1.0-50 2/2-way x II 2 G Ex db IIC T6, T4
Attention! The manual override HZ (K) can neither be dismantled ◆
Relative duty factor Data sheet 1.1-430 nor retrofitted ◆ Q = 300 l/min x II 2 D Ex tb III C T80 °C, T130 °C
max
◆ p = 350 bar x I M2 Ex db I Mb
max
Class I Division 1
Class I Zone 1

SEALING MATERIAL SURFACE TREATMENT
NBR or FKM (Viton) as standard, choice in the type code ◆ The cartridge body, the slip-on coil and the armature tube are
zinc-nickel coated DESCRIPTION APPLICATION
Pilot operated 2/2-way solenoid poppet valve in screw-in cartridge These valves are suitable for applications in explosion-hazard
construction for cavity according to ISO 7789. The AB and CB exe- areas, open cast and also in mines. Poppet valves are used where
cution is closed in the energised position, the BA and BC execution tight closing functions of the valve are essential like leakage-free
in the de-energised position. In this, the main spool closes practi- load holding, clamping or gripping. For machining the cartridge ca-
STANDARDS INSTALLATION NOTES cally leakage-free by means of the applied pressure.In the opposite vity in steel and aluminum blocks, cavity tools are available (hire or

Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M42 x 2 flow direction, the valve opens after reaching the opening pressu- purchase). Please refer to the data sheets in register 2.13.
Solenoids DIN VDE 0580 Mounting position Any, preferably horizontal re. The pressure tight encapsulated Ex-protection solenoid coil
Connection execution D EN 175301 – 803 Tightening torque M = 420 Nm Screw-in cartridge prevents an explosion on the inside penetrating to the outside as
D

Protection class EN 60 529 M = 5 Nm knurled nut well as an ignitable surface temperature.
D
Contamination efficiency ISO 4406 Note! Without varying pressure load in connection 2, a
tightening torque reduced by 15% is sufficient

CERTIFICATES ACTUATION
Surface Mining Standard Z604 Actuation Switching solenoid, wet pin push + pull
-25 °C to… -40 °C to… type, pressure tight
ATEX / UKEX x x x x Execution MKY45 / 18x60 (data sheet 1.1-183)
IECEx x x x x MKU45 / 18x60 (data sheet 1.1-184)
Connection Cable gland for cable Ø 6,5…14 mm
CCC x x x x
EAC x x x x Attention! The UL execution is always supplied without cable
gland
Australia x x x x
MA x x
UL / CSA x x x
The certificates can be found on www.wandfluh.com

SYMBOL
„Normally open“ AB „Normally closed“ BA „Normally closed“ BC „Normally open“ CB
2 2 2 2
a b a b a b a b
1 1 1 1

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 [email protected]

www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 22 50 1.11-2091 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 22 50 1.11-2092 E
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