ADK11E4 is NC (open when energized) and ADK12E4 is NO (closed when energized) in this diaphragm drive pilot kick 2-port solenoid valve series with pressure and explosion proof construction (d2G4). They are used for air, low vacuum, water, kerosene and oil, with Rc1/2, Rc3/4 and Rc1 ports.
| Working Fluid | Air / low vacuum [1.33×10³ Pa] / water / kerosene / oil (50 mm²/s or less) |
| Valve Structure | Pilot kick poppet, diaphragm drive, NC (open when energized: ADK11E4) / NO (closed when energized: ADK12E4) |
| 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.: ADK11E4 No. T64355, ADK12E4 No. T64358; 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 to 1 MPa (refer to max. working pressure differential by model) |
| Max. Working Pressure | 2 MPa |
| Proof Pressure | 4 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 | 1 cm³/min (ANR) or less (air, measured at 0.02 to 1 MPa for ADK11E4 and 0.02 to 0.6 MPa for ADK12E4). The seal may be unstable below 0.02 MPa: inquire separately |
| Degree of Protection | IP65 or equivalent |
| Mounting Orientation | Unrestricted |
| Port Size / Orifice Size | ADK11E4 and ADK12E4: -15A Rc1/2 (ø16 mm), -20A Rc3/4 (ø23 mm), -25A Rc1 (ø28 mm) |
| Min. Working Pressure Differential | 0 MPa |
| Max. Working Pressure Differential (MPa) | ADK11E4: air AC 1 / DC 0.6, water and kerosene AC 1 / DC 0.6, oil AC 0.6 / DC 0.5; ADK12E4: air AC 0.6 / DC 0.6, water and kerosene AC 0.6 / DC 0.6, oil AC 0.5 / DC 0.5 (the DC column applies to the diode integrated coil) |
| Flow Characteristics | -15A: C 20 dm³/(s·bar), b 0.31, Cv 4.5; -20A: Cv 8.6, effective cross-sectional area 162 mm²; -25A: Cv 12.0, effective cross-sectional area 231 mm² (ADK11E4 and ADK12E4) |
| Body / Seal Material | Body: bronze (standard) or stainless steel; seal: NBR (standard), FKM, EPM rubber (ethylene propylene rubber, oil-prohibited treatment option). The max. working pressure differential of the ethylene propylene rubber combination is 0.6 MPa, and it cannot be used with air (compressed air contains oil and ethylene propylene rubber is not oil-resistant) |
| 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 |
| 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 | ADK11E4: apparent power holding 20 VA (50 Hz) / 16 VA (60 Hz), starting 80 VA (50 Hz) / 64 VA (60 Hz), power consumption AC 50/60 Hz 10/8.5 W, DC 15 W; ADK12E4: apparent power holding 25 VA (50 Hz) / 21 VA (60 Hz), starting 100 VA (50 Hz) / 84 VA (60 Hz), power consumption AC 50/60 Hz 12/10 W, DC 15 W |
| Weight | ADK11E4: -15A 1.4 kg, -20A 1.5 kg, -25A 1.9 kg; ADK12E4: -15A 1.5 kg, -20A 1.7 kg, -25A 2.1 kg |
| Use at Low Vacuum | Apply the vacuum to the OUT port side |