Explosion Proof Electric Motors (TEXP Enclosures)
Explosion-proof (TEXP) electric motors are built to operate safely in hazardous locations where flammable gases, vapors, or dust may be present.
These motors feature a Totally Enclosed Explosion Proof (TEXP) enclosure engineered to contain any internal ignition so it cannot ignite the surrounding atmosphere.
Commonly used in oil & gas facilities, chemical plants, grain elevators, and wastewater treatment plants, TEXP motors are built to meet CSA and UL explosion-proof certifications, ensuring reliable performance and compliance with industrial safety standards.
What Is an Explosion-Proof Motor?
An explosion-proof motor is designed to prevent internal sparks or hot gases from escaping the enclosure during normal operation or failure.
The heavy-duty housing contains potential ignition events, allowing the motor to operate safely in Class I and Class II hazardous locations, as defined by NEC and CEC standards.
✅ Key design elements:
Sealed, flame-tight joints to contain internal explosions
Heavy cast iron or steel frame rated for pressure containment
CSA / UL / ATEX certifications for classified environments
Temperature code compliance (T-ratings for ignition control)
Explosion-proof does not mean the motor can withstand an external explosion — it means the motor will not ignite its environment if an internal fault occurs.
Benefits of TEXP Motor Enclosures
TEXP (Totally Enclosed Explosion Proof) motors combine safety, durability, and compliance in a single enclosure.
They’re specifically engineered for industrial areas where airborne gases or combustible dusts are present.
Advantages include:
Certified Safety – Meets CSA / UL Class I, Division 1 and Class II standards.
Heavy-Duty Construction – Thick-wall cast-iron housings absorb internal pressure.
Reliable Operation – Suitable for continuous duty under hazardous conditions.
Corrosion Resistance – Optional coatings and stainless features for chemical or marine environments.
Peace of Mind – Compliance with facility safety codes and insurance requirements.
Each motor undergoes rigorous testing to ensure the flame path and joints can contain and cool ignition gases before release.
TEXP vs TEFC and ODP — Which Is Right for You?
✅ Rule of thumb:
If the environment has flammable gases, vapors, or dust, a TEXP explosion-proof motor is not optional — it’s required for code compliance.
Common Applications for Explosion-Proof Motors
Explosion-proof motors are standard equipment wherever ignition risks exist:
Oil & gas drilling and refining
Chemical processing
Grain elevators and feed mills
Wastewater and sewage treatment plants
Paint booths and finishing systems
Fuel transfer and storage facilities
Mining and aggregate operations
Each application has specific class, division, and group requirements — TEXP motors are built and labeled accordingly.
Frame Sizes and Technical Specifications
✅ Available with CSA C22.2 and UL 1203 certifications.
All frames are built to NEMA standards with options for C-Face, D-Flange, or Foot Mount configurations.
Construction Options
Frame Materials: Cast Iron, Stainless Steel, Fabricated Steel
Mounting Styles: Foot Mount, C-Face, D-Flange, Vertical Mount
Voltage Options: 208, 230, 460, 575V 3-Phase
Certifications: CSA / UL Listed Explosion Proof (Class I & II)
Brands: Brook Crompton, US Electric, Worldwide Electric
Request a Quote or Spec Sheet
Need an explosion-proof motor that meets your facility’s classification?
Our team can help you select the right horsepower, enclosure rating, and frame size for your environment.
Request a Quote or Request Spec Sheet to receive current pricing, certifications, and lead times for compliant TEXP electric motors.
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