AP21E2 is NC (open when energized) and AP22E2 is NO (closed when energized) in this piston drive pilot operated poppet 2-port solenoid valve series with pressure and explosion proof construction (d2G2). They are used for air, water, kerosene, oil and steam, with ports from Rc1 1/4 to Rc2 and 32 to 50 flange.
| Working Fluid | Air / water / kerosene / oil (50 mm²/s or less) / steam |
| Valve Structure | Pilot operated poppet, piston drive, NC (open when energized: AP21E2) / NO (closed when energized: AP22E2) |
| Explosion Protection | Pressure and explosion proof construction d2G2 (flame-proof grade 2 / ignitability G2) |
| 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.: AP21E2 No. T64351, AP22E2 No. T64354; 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 G2) |
| Working Pressure Differential | 0.05 to 1.2 MPa (refer to max. working pressure differential by model) |
| Max. Working Pressure | 1.6 MPa (1 MPa when the fluid is steam) |
| Proof Pressure | 3.2 MPa (water pressure) |
| Fluid Temperature | 5 to 181 °C |
| Ambient Temperature | -10 to 40 °C |
| Coil Thermal Class | Class 180 (H) |
| Valve Seat Leakage | 400 cm³/min or less (air, measured at 0.05 to 1.2 MPa for AP21E2 and 0.05 to 0.5 MPa for AP22E2) |
| Degree of Protection | IP65 or equivalent |
| Mounting Orientation | Free (within working pressure differential range) |
| Port Size / Orifice Size | AP21E2 and AP22E2: -32A Rc1 1/4, -32F 32 flange (ø35 mm); -40A Rc1 1/2, -40F 40 flange (ø43 mm); -50A Rc2, -50F 50 flange (ø53 mm). JIS B2210 10K flange; the companion flange is not enclosed with the product and must be purchased separately |
| Min. Working Pressure Differential | 0.05 MPa (≈7.3 psi, 0.5 bar) |
| Max. Working Pressure Differential (MPa, AC) | AP21E2: air 1.2, water and kerosene 1.0, oil 0.6, steam 1.0; AP22E2: all fluids 0.5 |
| Flow Characteristics | -32A and -32F: orifice ø35 mm, Cv 25, effective cross-sectional area 460 mm²; -40A and -40F: ø43 mm, Cv 34, 625 mm²; -50A and -50F: ø53 mm, Cv 53, 975 mm² |
| Body / Valve Seal / O-Ring Material | Body: bronze (standard C, K) or stainless steel (F, N); valve seal: PTFE; O-ring: FKM; K and N are oil-prohibited treatment options |
| Coil | Code 4: thermal class 180 (H) explosion-proof coil |
| 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) |
| Apparent Power / Power Consumption | AP21E2: apparent power holding 18 VA (50 Hz) / 15 VA (60 Hz), starting 29 VA (50 Hz) / 24 VA (60 Hz), power consumption AC 50 Hz 8 W / 60 Hz 7 W; AP22E2: apparent power holding 22 VA (50 Hz) / 18 VA (60 Hz), starting 35 VA (50 Hz) / 29 VA (60 Hz), power consumption AC 50 Hz 8.7 W / 60 Hz 6.7 W |
| Weight | 32A: 4.0 kg, 32F: 7.5 kg, 40A: 5.0 kg, 40F: 8.5 kg, 50A: 6.5 kg, 50F: 10.5 kg (AP21E2 and AP22E2) |