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Poppet valve
Poppet valve

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% Type Flow Energised De-energised
p [bar] direction
350 K1149 AB 1 → 2 approx. 200 ms approx. 35 ms
300 2 → 1 approx. 250 ms approx. 35 ms
250 SVSPM42
200 BA 1 → 2 approx. 35 ms approx. 200 ms
150 2 → 1 approx. 35 ms approx. 250 ms
100 BC 2 → 1 approx. 35 ms approx. 300 ms
50
0 CB 2 → 1 approx. 300 ms approx. 40 ms
0 40 80 120 160 200 240 280 320 Q [l/min]

∆p = f (Q) Pressure drop volume flow characteristics ∆p = f (Q) Pressure drop volume flow characteristics
p [bar] p [bar]
14 K1148 1 → 2; AB / BA 10 K1148 2 → 1; BC / CB
12 2 → 1; AB / BA 8,3 1 → 2; BC / CB
10 6,6
8 5,0
6 3,4
4
2 1,7
0 0
0 50 100 150 200 250 300 Q [l/min] 0 50 100 150 200 250 300 Q [l/min]

Note! The switching times depend on the volume flow, Attention! Measured with cavity according to data sheet 2.13-1059
pressure and viscosity. In case of very large volume (annular groove)
flows, the switching time for closing can get consider-
ably longer.

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 50 1.11-2092 E
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