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Poppet valve
Poppet valve cartridge
ELECTRICAL SPECIFICATIONS STANDARDS
Protection class IP65 / 66 / 67 Cartridge cavity ISO 7789
Relative duty factor 100 % DF Explosion protection Directive 2014 / 34 / EU (ATEX)
Switching frequency 5'000 / h Flameproof enclosure EN / IEC / UL 60079-1, 31
Voltage tolerance ± 10 % with regard to nominal voltage Cable entry EN 60079-0, 1, 7, 15, 31
Standard nominal 12 VDC, 24VDC, 115 VAC, 230 VAC Protection class EN 60 529
voltage AC = 50 to 60 Hz ± 2 %, with built-in Contamination ISO 4406
two-way rectifier efficiency
Standard nominal 9 W, 15 W, 17 W
power
Temperature class Nominal power 9 W: T1…T6
Nominal power 15 W / 17 W: T1…T4
Note! Other electrical specifications see data sheet 1.1-183
and 1.1-184
PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limit Switching times
Measured with nominal voltage -10% at 50 °C Type Flow Energised De-energised
p [bar] direction
350 K0735_1 AB 1 → 2 approx. 100 ms approx. 60 ms
300 2 → 1 approx. 100 ms approx. 80 ms
250 SVYPM33
200 BA 1 → 2 approx. 30 ms approx. 100 ms
150 2 → 1 approx. 30 ms approx. 100 ms
100
50 BC 2 → 1 approx. 30 ms approx. 70 ms
0 CB 2 → 1 approx. 60 ms approx. 70 ms
0 20 40 60 80 100 120 140 160 Q[l/min]
∆p = f (Q) Pressure drop volume flow characteristics Note! With the L15 / L17 execution for ambient temperatures
up to 70 °C, the characteristics have been evaluated
p [bar] with an ambient temperature of 50 °C.
20 K0736_2
The switching times depend on the volume flow,
15
pressure and viscosity. In case of small volume flows,
10 AB / BA the switching time can get considerably longer.
Attention! Long periods of non-actuation can reduce the switching
5
performance
0 BC / CB
0 25 50 75 100 125 150 Q [l/min]
SURFACE TREATMENT MANUAL OVERRIDE
◆ The cartridge body, the slip-on coil and the armature tube are Screw plug (HB0), no actuation possible.
zinc-nickel coated Optionally HN (K) or HG (K) (pushing) resp. HZ (K) (pulling)
→ See data sheet 1.1-311
Attention! The manual override HZ (K) can neither be dismantled
nor retrofitted
www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 22 17 1.11-2085 E
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