Explosion Proof AC Electric Motor for Oil Refinery Pump and Compressor Station

Product Description

Brief Introduction to Explosion-Proof Motors

An explosion-proof motor is a special electric motor designed for safe operation in flammable, explosive and high-risk industrial environments. It adopts professional explosion-proof structural design, sealed housing and isolation protection technology, which can effectively prevent internal electric sparks, arcs and high temperatures from igniting surrounding combustible gases, dust and mixtures.
Compared with ordinary motors, it features high safety, strong stability and reliable explosion-proof performance. Widely applied in petroleum, chemical, coal mine, pharmaceutical, grain processing and other hazardous industries, it is the core power equipment to ensure safe production in special industrial scenarios.

Specification

Applications

Ventilation & Water Treatment Equipment
Our explosion-proof motors apply to industrial fans, blowers, water pumps and sewage circulation systems in explosive hazardous zones. Stepless speed regulation cuts energy loss under variable flow conditions, and professional explosion-proof structure prevents electric sparks from igniting flammable substances.
Compression & Conveying Machinery 
They perfectly pair with air compressors, belt conveyors and bulk material conveying equipment in flammable and explosive workplaces. Variable frequency speed control weakens startup impact and mechanical abrasion, while sealed explosion-proof housing isolates internal arcs to avoid explosion dangers.
Metallurgy & Building Materials Industry 
These motors drive rolling mills, mixers, kiln auxiliary drives and cement production lines in high-dust dangerous workshops. They stably cope with heavy load and frequent speed adjustment, and effectively block high temperature and electric arcs inside the motor to prevent explosion accidents.
Mining & Chemical Industry 
Designed for ore screening machines, crushers and chemical stirring devices in mines and chemical plants filled with combustible gas and dust. Anti-harmonic frequency conversion design supports continuous long-hour operation while meeting strict explosion safety standards.
General Industrial Equipment 
Suitable for printing, food processing and textile machinery with explosion prevention requirements. It can realize energy-saving upgrade on original fixed-speed driving equipment without modifying equipment structure, and fully satisfy intrinsic safety explosion-proof usage needs.

Key Configurations

-Motor Type: Explosion-proof variable frequency three-phase asynchronous motor
-Performance: Low power loss, energy efficient, low heat, vibration & noise, effective explosion isolation
-Protection Class: IP54 / IP55 dustproof and splashproof
-Insulation Class: Standard Class F; Class H optional for high temperature use
-Cooling Mode: Independent forced air cooling for frequency conversion; TEFC self-cooling available
-Structure: Reinforced cast iron explosion-proof housing, sturdy shaft for frequent start & speed adjustment
-Customization: Voltage, frequency, installation size and terminal box position customizable
-Certification: 3C, ISO9001 and professional explosion-proof certifications

Detail Display

Detail Display

Detail Display

Technical Specifications

(Custom configurations available upon request.)

Parameter	Specification
Rated Power	0.55kW – 355kW, fully customizable
Rated Voltage	380V/400V/415V/660V; high voltage 3kV/6kV/10kV customizable
Insulation Class	Class F standard; Class H optional for high temperature explosion-prone environments
Protection Grade	IP55 / IP65 sealed explosion-proof enclosure
Mounting Type	IM1001 / IM1003 / IM3011 and other standard installation forms
Frequency	50Hz / 60Hz optional
Duty Cycle	S1 continuous operation; stable speed regulation & high efficiency under 20%~120% load
Core Standard	Anti-harmonic reinforced insulation, dedicated explosion-proof structure, compliant with international explosion-proof motor manufacturing standards
Application	Pumps, fans, compressors, conveyors, mixers, production lines & energy-saving retrofits for fixed-speed equipment in flammable & explosive hazardous areas

After-sales & Guarantee

Every explosion-proof variable frequency three-phase asynchronous motor passes strict inspection before delivery, with a standard 12-month warranty period.
We provide OEM & ODM customized services. Customizable items include power, voltage, insulation grade, protection class, cooling mode, installation size and explosion-proof level. 
This explosion-proof motor features strong anti-harmonic performance, low energy loss, remarkable energy-saving effect under variable loads, low noise and slight temperature rise, which fits long-term continuous operation and energy-saving transformation in explosive hazardous areas.
We supply original spare parts permanently, and offer online remote technical support for field installation, commissioning and daily maintenance.
Welcome to send inquiries for detailed warranty clauses and tailored cooperation solutions for your industrial driving projects..

Company Profile

SELIMEN Motor Manufacturing Co., Ltd

SELIMEN Electric Motor Manufacturing Co., Ltd. integrates R&D, production, sales and after-sales of industrial motors, with convenient sea, land, rail and air multi-dimensional logistics for global delivery.
Adhering to the tenet of "Survive by Quality, Develop by Innovation, Win Trust by Integrity", we produce high/low voltage energy-saving, variable frequency, explosion-proof and custom special motors, widely used in mining, metallurgy, chemical, power and other industries, adapting to harsh heavy-load, high-temperature and dusty working conditions.
Our full-series motors meet IE3/IE4/IE5 high energy efficiency standards, adopting pure copper windings and high-grade silicon steel sheets with advanced processing technology, featuring stable operation, low noise, strong overload resistance and long service life. We provide one-stop custom motor solutions tailored to clients' working conditions, capable of both mass standard orders and small-batch customization.
We own an experienced R&D team and complete standardized quality control covering raw material inspection to finished product full performance tests. Equipped with automated production and testing equipment, our flexible production lines guarantee stable capacity and on-time delivery for all order sizes.
Our sales network covers all major domestic regions, and products are exported to dozens of countries across Asia, Europe, Africa and Central Asia. Our professional foreign trade team and global after-sales system offer full support including consultation, order tracking and technical troubleshooting.
Guided by core values of Integrity, Pragmatism, Innovation and Win-Win, we will keep upgrading motor technology, expand global markets, and aim to be a trusted premium industrial motor supplier worldwide. We welcome global partners for cooperation.

Why Choose Us?

Other Products

-We specialize in explosion-proof variable frequency three-phase asynchronous motors, supporting customized OEM & ODM development.
-Direct factory supply, favorable wholesale price with quantity discount for bulk orders.
-Stable production cycle with on-time delivery; complete certification documents are provided for export customs clearance.
-Professional technical team offers one-stop model selection and explosion-proof energy-saving drive solution design.

-IE3 / IE4 / IE5 High Efficiency Fixed-speed Asynchronous Motors
-Variable Frequency Adjustable Speed Three-phase Motors
-High Voltage Industrial Three-phase Motors
-Crane & Lifting Special Purpose Motors
-Explosion-proof & Anti-corrosion Customized Motors
-Non-standard Custom Industrial Drive Motors

FAQ

Q:     What main equipment and working conditions are explosion-proof variable frequency adjustable speed motors suitable for?
A:   Explosion-proof variable frequency three-phase asynchronous motors are widely used in fans, water pumps, compressors, conveyors, mixers and automated production lines within flammable and explosive hazardous areas. They run stably under S1 continuous operation, frequent start-stop and variable-load speed regulation conditions.
 
Q:   What core advantages do explosion-proof variable frequency motors have compared with ordinary fixed-speed motors?
A: With reinforced anti-harmonic insulation, independent forced air cooling and sealed explosion-proof housing, they support stepless speed regulation to reduce invalid power consumption under variable loads and cut electricity costs by 10%-30%. They feature low temperature rise, vibration and noise, reduce mechanical impact and equipment wear, and prevent electric sparks from triggering explosion risks.
 
Q:  Can you customize the motor to fit our mechanical equipment?

A:   Yes. We provide full OEM & ODM customization including power, voltage, frequency, installation dimension, protection grade, terminal box position, shaft extension and explosion-proof grade to fully match your on-site installation demands.
 
Q:    Are wearing parts available for long-term operation? Will you supply them?
A:   Main consumable parts are bearings and sealing pieces. We permanently supply original spare parts and offer remote online guidance for part replacement and daily maintenance.
 
Q:    What export packaging do you adopt to ensure safe long-distance sea transportation?
A:    Motors are wrapped with anti-rust & waterproof film, and the shaft end is equipped with anti-collision protective sleeves. Products are fixed in fumigated wooden cases or steel pallets, covered with tarpaulins to avoid moisture, rust and collision damage during ocean shipping.
 
Q:    What is your after-sales warranty period and coverage scope?
A:    We offer a 12-month warranty starting from the shipment date. For manufacturing quality defects within warranty, we provide free technical support and free replacement of faulty components.