AD11E4 is NC (open when energized) and AD12E4 is NO (closed when energized) in this diaphragm drive pilot operated poppet 2-port solenoid valve series with pressure and explosion proof construction (d2G4). They are used for air, water, kerosene and oil, with Rc1/2, Rc3/4 and Rc1 ports.
| Working Fluid | Air / water / kerosene / oil (50 mm²/s or less) |
| Valve Structure | Pilot operated poppet, diaphragm drive, NC (open when energized: AD11E4) / NO (closed when energized: AD12E4) |
| Explosion Protection | Pressure and explosion proof construction d2G4 (flame-proof grade 2 / ignitability G4) |
| Explosion-Proof Certification Bodies | Japan certification (TIIS) or China certification (NEPSI), selected by order code (blank = TIIS, CN = NEPSI) |
| Certification Numbers | Japan Conformity Certificate No.: AD11E4 No. T64349, AD12E4 No. T64352; China Conformity Certificate No. 2020322307003155; China explosion-proof standard NEPSI acquired: GYB20. 2593X |
| Atmosphere | Outdoors / explosive gas (flame-proof grade 1 to 2 / ignitability G1 to G4) |
| Working Pressure Differential | 0.02 to 1 MPa (refer to max. working pressure differential by model) |
| Max. Working Pressure | 2 MPa |
| Proof Pressure | 8 MPa (water pressure) |
| Fluid Temperature | -10 to 60 °C (no freezing) |
| Ambient Temperature | -10 to 50 °C |
| Coil Thermal Class | Class 130 (B) |
| Valve Seat Leakage | 0.2 cm³/min (ANR) or less (air, measured at 0.02 to 1 MPa for AD11E4 and 0.02 to 0.5 MPa for AD12E4) |
| Degree of Protection | IP65 or equivalent |
| Mounting Orientation | Free (within working pressure differential range) |
| Port Size / Orifice Size | AD11E4 and AD12E4: -15A Rc1/2 (ø15 mm), -20A Rc3/4 (ø20 mm), -25A Rc1 (ø25 mm) |
| Min. Working Pressure Differential | 0.02 MPa |
| Max. Working Pressure Differential by Model (MPa) | AD11E4: air AC 1 / DC 0.6, water and kerosene AC 0.7 / DC 0.6, oil AC 0.6 / DC 0.6; AD12E4: all fluids AC 0.5 / DC 0.5 (the DC column applies to the diode integrated coil) |
| Flow Characteristics | -15A: C 21 dm³/(s·bar), b 0.22, Cv 4.5; -20A: Cv 9.3, effective cross-sectional area 162 mm²; -25A: Cv 12.0, effective cross-sectional area 231 mm² |
| Body / Seal Material | Body: bronze (standard) or stainless steel; seal: NBR (standard) or FKM; oil-prohibited treatment options are available (combinations H, J, L, M) |
| Coil | Code 3: thermal class 130 (B) explosion-proof coil; code 5: thermal class 130 (B) diode integrated explosion-proof coil (the diode converts the AC power supply voltage into a DC coil voltage) |
| External Wire Pull Method | T (standard): conduit screw connection (G1/2) (1/2NPT when China certification is selected); L: pressure proof packing seal (G1/2) connection, cable O.D. ø7.5 to 8.4; M: pressure proof packing seal (G1/2) connection, cable O.D. ø8.5 to 9.4 |
| Options | Manual override (locking, available for AD11E4 only) |
| Rated Voltage | 100 VAC 50/60 Hz (also usable at 110 VAC 60 Hz), 200 VAC 50/60 Hz (also usable at 220 VAC 60 Hz) (options: 12 VDC, 24 VDC, 48 VDC, 100 VDC). Coil code 5 can be used with 100 VAC 50/60 Hz or 200 VAC 50/60 Hz |
| Apparent Power / Power Consumption | AD11E4: apparent power holding 18 VA (50 Hz) / 15 VA (60 Hz), starting 29 VA (50 Hz) / 24 VA (60 Hz), power consumption AC 50/60 Hz 8/7 W, DC 11.6 W; AD12E4: apparent power holding 22 VA (50 Hz) / 18 VA (60 Hz), starting 35 VA (50 Hz) / 29 VA (60 Hz), power consumption AC 50/60 Hz 8.7/6.7 W, DC 15.5 W |
| Weight | -15A: 1.7 kg, -20A: 1.9 kg, -25A: 2.3 kg (AD11E4 and AD12E4) |