AB41EX4 is a direct acting poppet 2-port solenoid valve with pressure and explosion proof construction (Ex d IIB T4) for installation where explosive gas may be present. It is an NC type that opens when energized, used for air, low vacuum, water, kerosene and oil, with Rc1/4 and Rc3/8 ports.


| Working Fluid | Air / low vacuum [1.33×10² Pa (abs)] / water / kerosene / oil (50 mm²/s or less) |
| Valve Structure | Direct acting poppet, NC (open when energized) |
| Explosion Protection | Pressure and explosion proof construction Ex d IIB T4 (group IIB / temperature class T4) |
| Explosion-Proof Certification Bodies | Japan certification (TIIS) or Korea certification (KOSHA), selected by order code (blank = TIIS, KR = KOSHA) |
| Certification Numbers | AC coil (class 180 (H)): Japan No. TC20594 / Korea 16-AV4BO-0150X; DC coil and diode integrated AC coil (class 130 (B)): Japan No. TC20618 / Korea 16-AV4BO-0147X |
| Atmosphere | Outdoors / explosive gas (group IIB / temperature class T4) |
| Working Pressure Differential | 0 to 5 MPa (refer to max. working pressure differential by model) |
| Max. Working Pressure | 5 MPa |
| Proof Pressure | 25 MPa (water pressure) |
| Fluid Temperature | -10 to 60 °C (no freezing) |
| Ambient Temperature | -10 to 50 °C |
| Coil Thermal Class | AC coil class 180 (H), DC coil class 130 (B), AC diode integrated coil class 130 (B) |
| Valve Seat Leakage | 0.2 cm³/min (ANR) or less (air) (300 or less for PTFE seal) |
| Degree of Protection | IP65 or equivalent |
| Mounting Orientation | Unrestricted |
| Port Size | Rc1/4, Rc3/8 (order codes 02, 03) |
| Orifice Size | ø1.5 / ø2 / ø3 / ø3.5 / ø4 / ø5 / ø7 mm (order codes 1 to 7) |
| Max. Working Pressure Differential by Orifice (MPa) | Air AC/DC | water, kerosene AC/DC | oil AC/DC: ø1.5 5.0/4.0 | 4.5/4.0 | 4.0/4.0; ø2 3.0/2.5 | 2.7/2.5 | 2.5/2.5; ø3 1.5/0.9 | 1.3/0.9 | 0.9/0.9; ø3.5 1.2/0.6 | 0.9/0.6 | 0.6/0.6; ø4 1.0/0.5 | 0.7/0.5 | 0.5/0.5; ø5 0.6/0.25 | 0.4/0.25 | 0.25/0.25; ø7 0.25/0.1 | 0.2/0.1 | 0.15/0.1 (the DC column also applies to the diode integrated coil on AC power) |
| Cv | ø1.5: 0.1, ø2: 0.15, ø3: 0.31, ø3.5: 0.42 [0.40], ø4: 0.54 [0.48], ø5: 0.80 [0.62], ø7: 1.0 [0.82] ([ ] for stainless steel body) |
| Body / Seal Material | Body: copper alloy (standard) or stainless steel; seal: NBR (standard), FKM, PTFE. Oil-prohibited treatment options also offer ethylene propylene rubber (the ethylene propylene rubber combination 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 (for DC); code 4: thermal class 180 (H) explosion-proof coil (for AC); code 5: thermal class 130 (B) diode integrated explosion-proof coil (for AC) |
| Applicable Cable O.D. | ø7.5 to ø9.5 / ø9.5 to ø10.5 / ø10.5 to ø11.5 / ø11.5 to ø13.5 (order codes 9 / 10 / 11 / 13) |
| Options | Manual override (locking), mounting plate, manual override + mounting plate |
| Rated Voltage | 100 VAC 50/60 Hz, 200 VAC 50/60 Hz (options: 12 VDC, 24 VDC, 48 VDC, 100 VDC) |
| Apparent Power / Power Consumption | 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 |
| Weight | 1.2 kg |