23 Year Industrial Explosion-Proof Manufacturer

InWhichTypeofWorkingConditionsIsExplosion-ProofLevelBt4Used|TechnicalSpecifications

Technical Specifications

In Which Type of Working Conditions Is Explosion-Proof Level Bt4 Used

Class IIB is suitable for environments where explosive mixtures of IIB gases and air occur.

Gas group/temperature groupT1T2T3T4T5T6
IIAFormaldehyde, toluene, methyl ester, acetylene, propane, acetone, acrylic acid, benzene, styrene, carbon monoxide, ethyl acetate, acetic acid, chlorobenzene, methyl acetate, chlorineMethanol, ethanol, ethylbenzene, propanol, propylene, butanol, butyl acetate, amyl acetate, cyclopentanePentane, pentanol, hexane, ethanol, heptane, octane, cyclohexanol, turpentine, naphtha, petroleum (including gasoline), fuel oil, pentanol tetrachlorideAcetaldehyde, trimethylamineEthyl nitrite
IIBPropylene ester, dimethyl etherButadiene, epoxy propane, ethyleneDimethyl ether, acrolein, hydrogen carbide
IICHydrogen, water gasAcetyleneCarbon disulfideEthyl nitrate

Explosion-proof classifications are split into primary levels for mining and secondary levels for factories. Within the secondary level, sub-classifications include IIA, IIB, and IIC, in ascending order of explosion-proof capability: IIA < IIB < IIC. The 'T' category denotes temperature groups. A ‘T’ rating implies that the equipment maintains a surface temperature below 135°C, with T6 being the optimal safety level, advocating for as low a surface temperature as possible.

Ultimately, this explosion-proof product is designed as an intrinsically safe electrical device, intended for use with Class B gases where the surface temperature does not exceed 135°C.

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