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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 15 W, 17 W, 21 W
power
Temperature class Nominal power 15 W / 17 W / 21 W: T1…
T4
Note! Other electrical specifications see data sheet 1.1-183
and 1.1-184

COMMISSIONING INSTALLATION NOTES
Attention! When commissioning, the valve must be vented under Mounting type Screw-in cartridge M22 x 1,5
pressure (max. two rotations of screw E).
Mounting position Any, preferably horizontal
The solenoid coil must only be put into operation, if the Tightening torque M = 60 Nm Screw-in cartridge
D
requirements of the operating instructions supplied are M = 9 Nm knurled nut
D
observed to their full extent. In case of non-observance,
no liability is assumed. Attention! For stack assembly please observe the remarks in the
operating instructions

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limit AB / BA 1 → 2 2 → 1
Measured with nominal voltage -10% at 50 °C SDYPM22-AB-L21 2 1
p [bar] 2 1 SDYPM22-BA-L21 1 1
350 K0975 SDYPM22-AB-L15 / L17 2 4
300 4
250 SDYPM22-BA-L15 / L17 3 1
200
150 3
100
50
0
0 5 10 15 20 25 30 35 40 Q [l/min]

p = f (Q) Performance limit FG 1 → 2 2 → 1 2 → 3 3 → 2
Measured with nominal voltage -10% at 50 °C SDYPM22-FG-L21 3 1 1 1
p [bar] 1 SDYPM22-FG-L15 / L17 3 1 1 2
350 K0976_1 2
300
250
200 3
150
100
50
0
0 5 10 15 20 Q [l/min]

www.wandfluh.com Illustrations are not binding Data subject to change 3/5 Edition: 23 05 1.11-2064 E
Page 491