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Xiamen Rongmai Electrical Equipment Co., Ltd.

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China Flameproof Anti Static Explosion Proof Junction Box For Chemical Plant
China Flameproof Anti Static Explosion Proof Junction Box For Chemical Plant

  1. China Flameproof Anti Static Explosion Proof Junction Box For Chemical Plant
  2. China Flameproof Anti Static Explosion Proof Junction Box For Chemical Plant
  3. China Flameproof Anti Static Explosion Proof Junction Box For Chemical Plant

Flameproof Anti Static Explosion Proof Junction Box For Chemical Plant

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Explosion Proof Grade Ex D Iib T4 GB/Ex Td A21 IP65 T130℃
Oem Accepted
Dimensions 300mm x 200mm x 150mm
Surfacetreatment Powder Coated
Productname Explosion Proof Box
Cableentry M20 x 1.5
Anticorrosion Grade Anticorrosion Grade
Surface Treatment Mill finished

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  1. Product Details
  2. Company Details

Product Specification

Explosion Proof Grade Ex D Iib T4 GB/Ex Td A21 IP65 T130℃ Oem Accepted
Dimensions 300mm x 200mm x 150mm Surfacetreatment Powder Coated
Productname Explosion Proof Box Cableentry M20 x 1.5
Anticorrosion Grade Anticorrosion Grade Surface Treatment Mill finished
High Light Flameproof Explosion Proof Junction BoxAnti Static Explosion Proof Junction BoxFlameproof Electrical Wiring Box
Flameproof Anti-static Explosion Proof Box For Chemical Plant Electrical Wiring
Product Overview

Ensure the highest level of industrial safety and regulatory compliance with our premium Flameproof Anti-static Explosion Proof Box. Engineered specifically for hazardous environments within chemical processing plants, petrochemical refineries, and gas storage facilities, this heavy-duty terminal enclosure protects sensitive electrical wiring from external volatile atmospheres while containing any internal electrical arcs or thermal events.

Constructed from advanced spark-resistant alloys and treated with a specialized permanent anti-static surface layer, this distribution box effectively prevents electro-static discharge (ESD) build-up—one of the primary silent ignition triggers in powder and gas-heavy environments. Designed for smooth structural integration into low-voltage control and power distribution networks, this box is the ultimate safeguard for continuous, zero-incident operations.

Technical Specifications & Compliance Standards
Product Type Flameproof & Anti-static Explosion Proof Junction Box
Ex-Marking (Explosion Proof) Ex d IIC T6 Gb / Ex tD A21 IP66 T80°C
Hazardous Zone Classification Zone 1 & Zone 2 (Gas) / Zone 21 & Zone 22 (Dust)
Material Composition Copper-Free Cast Aluminum Alloy / High-Strength Stainless Steel (314/316L)
Surface Treatment Anti-Static, Corrosion-Resistant Powder Coating (Surface Resistance < 10⁹ Ω)
Ingress Protection (IP) IP66 (Dust-tight and protected against powerful water jets)
Flame Retardancy Standard UL94-V0 Certified / High Thermal Containment
Thread/Conduit Entry Specs Standard G-threads, NPT threads, or Metric threads available
Internal Terminal Blocks High-Conductivity, Flame-Retardant Ceramic or Steatite Blocks
Flameproof Anti-static Explosion Proof Box technical diagram and specifications
Core Technical & Safety Advantages
True Flameproof Enclosure Engineering (Ex d Rated)

Built to withstand heavy internal explosive pressures without structural deformation, the precision-machined joints and specialized flame paths (flanged, threaded, or cylindrical gaps) cool escaping combustion gases safely below the ignition point of the surrounding chemical atmosphere.

Permanent Anti-Static Coating & Spark Prevention

Chemical plants accumulate highly volatile ambient dust and solvent vapors. The exterior shell features an advanced electrostatic powder coating that maintains a surface resistance below 10⁹ Ω. This continuously bleeds off static friction charges to the ground terminal, completely eliminating sudden static sparks.

Industrial-Grade Chemical & Corrosion Resistance

Exposed to harsh acidic fumes, sulfurous gases, and high humidity, the copper-free cast aluminum alloy or 316L stainless steel structural body offers exceptional structural integrity. It resists chemical pitting, oxidation, and structural scaling, ensuring a maintenance-free design lifespan exceeding 15 years.

High-Reliability IP66 Sealing Grid

An integrated, high-temperature resistant silicone or EPDM sealing gasket is recessed into the precision-machined flamepath groove. This delivers complete protection against wash-down procedures, driving rain, and corrosive chemical splashes, keeping internal electrical connections perfectly dry and free from oxidation.

Chemical Plant Application Scenarios
  • Petrochemical & Refining Arrays: Housing power cables for automated control valves, chemical blending pumps, and high-pressure storage tank monitoring arrays.
  • Pharmaceutical Processing Lines: Protecting critical low-voltage power distribution networks in powder-heavy milling, granulation, and solvent extraction rooms.
  • Fertilizer & Aggressive Chemical Synthesis: Serving as a localized electrical junction box exposed to highly corrosive ammonia, nitrates, or chlorine byproducts.
  • Offshore & Coastal Processing Hubs: Resisting highly corrosive maritime salt spray combined with volatile hydrocarbon extraction gases.
Installer-Friendly & Structural Features
  • Precision Threaded Cable Entries: Pre-tapped conduit holes equipped with explosion-proof blanking plugs, easily adapted to heavy-duty armored cables or flexible conduits via Ex-certified cable glands.
  • Heavy-Duty Internal/External Grounding: Dual-point copper grounding lugs ensure a zero-resistance path to the facility's main grounding grid for maximum anti-static performance.
  • Captive Stainless Steel Fasteners: Cover screws are designed to stay securely with the lid during field wiring maintenance, preventing lost hardware on complex industrial gantries.
Frequently Asked Questions (FAQ)
Can this explosion-proof box be used in environments with both explosive gas and combustible dust?
Yes. This box carries dual certification markers (Ex d for gases and Ex tD for dust clouds), making it completely safe for hybrid hazardous environments common in chemical plants.
How does the anti-static properties prevent explosions?
Moving air, dust, or friction can cause static electricity to build up on standard enclosures. If a worker touches the box or if a discharge jumps to a nearby pipe, it creates a hot spark. Our anti-static coating ensures charges flow continuously to the ground grid, keeping the surface completely inert.
Do you provide standard material testing and ATEX/IECEx cross-reference certificates?
Yes. For global B2B procurement compliance, we can provide material test reports (MTR), mill certificates, and factory explosion-proof conformity logs upon request to ensure smooth project sign-offs.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Seller,Exporter,Trading Company,Distributor/Wholesaler

  • Year Established:

    2017

  • Employee Number:

    100~500

  • Ecer Certification:

    Verified Supplier

Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ... Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ...

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Get in touch with us

  • Reach Us
  • Xiamen Rongmai Electrical Equipment Co., Ltd.
  • Unit 501, No. 579 Tonglong 2nd Road, Xiang'an Industrial Zone, Torch High-tech Zone, Xiamen City, Fujian Province, China
  • https://www.rongmaielec.com/

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