CKD AB41EX4 Explosion-Proof Direct Acting 2-Port Solenoid Valve (General Purpose, NC)

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.

CKD AB41EX4 Explosion-Proof Direct Acting 2-Port Solenoid Valve (General Purpose, NC)CKD AB41EX4 Explosion-Proof Direct Acting 2-Port Solenoid Valve (General Purpose, NC) 2

Specifications

Working FluidAir / low vacuum [1.33×10² Pa (abs)] / water / kerosene / oil (50 mm²/s or less)
Valve StructureDirect acting poppet, NC (open when energized)
Explosion ProtectionPressure and explosion proof construction Ex d IIB T4 (group IIB / temperature class T4)
Explosion-Proof Certification BodiesJapan certification (TIIS) or Korea certification (KOSHA), selected by order code (blank = TIIS, KR = KOSHA)
Certification NumbersAC 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
AtmosphereOutdoors / explosive gas (group IIB / temperature class T4)
Working Pressure Differential0 to 5 MPa (refer to max. working pressure differential by model)
Max. Working Pressure5 MPa
Proof Pressure25 MPa (water pressure)
Fluid Temperature-10 to 60 °C (no freezing)
Ambient Temperature-10 to 50 °C
Coil Thermal ClassAC coil class 180 (H), DC coil class 130 (B), AC diode integrated coil class 130 (B)
Valve Seat Leakage0.2 cm³/min (ANR) or less (air) (300 or less for PTFE seal)
Degree of ProtectionIP65 or equivalent
Mounting OrientationUnrestricted
Port SizeRc1/4, Rc3/8 (order codes 02, 03)
Orifice Sizeø1.5 / 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)
Cvø1.5: 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 MaterialBody: 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)
CoilCode 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)
OptionsManual override (locking), mounting plate, manual override + mounting plate
Rated Voltage100 VAC 50/60 Hz, 200 VAC 50/60 Hz (options: 12 VDC, 24 VDC, 48 VDC, 100 VDC)
Apparent Power / Power ConsumptionApparent 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
Weight1.2 kg