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Poppet valve
Poppet valve cartridge Poppet valve

TYPE CODE ELECTRICAL SPECIFICATIONS STANDARDS
S D Y PM22 - - / - # Protection class IP65 / 66 / 67 Cartridge cavity ISO 7789
Poppet valve Relative duty factor 100 % DF Explosion protection Directive 2014 / 34 / EU (ATEX)

Direct operated 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
Ex-protection execution, Exd 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
Screw-in cartridge M22 x 1,5
two-way rectifier efficiency
Designation of symbols acc. to table Standard nominal 15 W, 17 W, 21 W
power
Nominal voltage U 12 VDC G12 115 VAC R115 Temperature class Nominal power 15 W / 17 W / 21 W: T1…
N
24 VDC G24 230 VAC R230
T4
Ambient temperature up to: Note! Other electrical specifications see data sheet 1.1-183
Nominal power P 15 W L15 70 °C and 1.1-184
N
17 W L17 70 °C (only UL / CSA)
21 W L21 50 °C
Certification ATEX, UKEX, IECEx, EAC, CCC COMMISSIONING INSTALLATION NOTES
Australia AU UL / CSA UL MA MA
Attention! When commissioning, the valve must be vented under Mounting type Screw-in cartridge M22 x 1,5
Sealing material NBR pressure (max. two rotations of screw E). Mounting position Any, preferably horizontal
FKM (Viton) D1
NBR -40° C Z604 (only with 15 W) 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
Armature tube with screw plug HB0 observed to their full extent. In case of non-observance,
with manual override HB4,5 no liability is assumed. Attention! For stack assembly please observe the remarks in the
operating instructions
Design index (subject to change)
1.11-2064

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Designation 2/2-, 3/2-way poppet valve Working pressure p = 350 bar
max PERFORMANCE SPECIFICATIONS
Construction Direct operated Maximum volume flow Q = 40 l/min, see characteristics
2
max Oil viscosity u = 30 mm /s
Mounting Screw-in cartridge construction Nominal volume flow Q = 20 l/min
N p = f (Q) Performance limit AB / BA 1 → 2 2 → 1
Nominal size M22 x 1,5 according to ISO 7789 Leakage oil Poppet type, max. 0,15 ml / min (approx. Measured with nominal voltage -10% at 50 °C
Actuation Ex-protection switching solenoid 3 drops / min) at 30 cSt SDYPM22-AB-L21 2 1
Ambient temperature Operation as T4 Fluid Mineral oil, other fluid on request p [bar] 2 1 SDYPM22-BA-L21 1 1
K0975
-25…+70 °C (L15 / L17) Viscosity range 12 mm /s…320 mm /s 350 4 SDYPM22-AB-L15 / L17 2 4
2
2
300
-25…+50 °C (L21) Temperature range NBR -25…+70 °C 250 SDYPM22-BA-L15 / L17 3 1
Weight 1,90 kg (2/2-way) fluid FKM (D1) -20…+70 °C 200
1,95 kg (3/2-way) NBR 872 (Z604) -40…+70 °C 150 3
MTTFd 150 years Contamination Class 20 / 18 / 14 100
50
efficiency 0
Filtration Required filtration grade ß 6…10 ≥ 75, 0 5 10 15 20 25 30 35 40 Q [l/min]
see data sheet 1.0-50
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
ACCESSORIES MANUAL OVERRIDE 350 p [bar] 1 SDYPM22-FG-L15 / L17 3 1 1 2
K0976_1
Threaded body Data sheet 2.9-2xx Screw plug (HB0), no actuation possible. 300 2
Optionally HN (K) or HG (K) 250
Technical explanations Data sheet 1.0-100 → See data sheet 1.1-311 200 3
Filtration Data sheet 1.0-50 150
Relative duty factor Data sheet 1.1-430 100
50
0
0 5 10 15 20 Q [l/min]

www.wandfluh.com Illustrations are not binding Data subject to change 2/5 Edition: 23 05 1.11-2064 E www.wandfluh.com Illustrations are not binding Data subject to change 3/5 Edition: 23 05 1.11-2064 E
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