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Explosion-proof Cable Glands

An Explosion-proof Cable Gland is a specialized mechanical component designed for the secure entry of cables into equipment located in hazardous areas. Its primary function is to maintain the integrity of an enclosure in the presence of flammable gases, vapors, or combustible dusts, thereby preventing an electrical installation from becoming a source of ignition.

4. Key Functions
The gland performs several integrated safety and protective functions:

  • Explosion Containment: Its core function is to maintain the type of protection (e.g., flameproof “d” or increased safety “e”) by preventing the transmission of an internal explosion to the external environment.

  • Environmental Sealing: Achieves high Ingress Protection (IP) ratings (e.g., IP66/IP68) to block moisture, dust, and corrosive agents, safeguarding electrical connections.

  • Mechanical Security: Provides superior cable anchorage, resisting vibrations, torsion, and tensile forces to ensure cables remain firmly connected.

  • Grounding Continuity (for metal glands): Ensures effective earthing of the cable armor in relevant applications, contributing to overall system safety.

In summary, the Explosion-Proof Cable Gland is a meticulously designed component that integrates sealing, holding, and protection to form an essential safety barrier in hazardous area electrical installations.

Product Introduction

Description: An Explosion-Proof Cable Gland is a critical safety device engineered for secure cable termination in hazardous locations. Its primary role is to preserve the explosion-proof integrity of electrical enclosures by preventing the ingress of flammable gases or dusts and containing any internal ignition. Serving as the vital entry and sealing point, it ensures that electrical equipment does not become an ignition source in areas with potentially explosive atmospheres.

Construction:

Constructed from robust materials like corrosion-resistant brass, stainless steel, or certified engineering plastics, these glands feature a precision-engineered multi-component design. Key structural elements include:

  • A Metallic or Plastic Body: Forms the main threaded assembly, often with a conical or cylindrical shape for sealing.
  • Compression Seals & Gaskets: Typically made of elastomers like neoprene or silicone, they create an airtight and watertight seal between the gland and the enclosure wall.
  • Clamping Components (Sealing Ring & Cone): A set of interlocking parts that tighten uniformly around the cable jacket, providing strain relief, pull-out resistance, and a radial seal along the cable.
  • Locking Nut: Secures the entire assembly to the equipment housing.
    This robust construction is rigorously tested and certified for specific hazardous area classifications.

 Primary Applications
These specialized glands are indispensable across industries where explosive atmospheres may exist. Common applications include:

  • Oil & Gas: Refineries, offshore platforms, pipelines, and fuel storage facilities.

  • Chemical & Pharmaceutical: Processing plants handling volatile solvents or fine combustible powders.

  • Mining: Underground tunnels and coal handling areas with combustible dust and gases.

  • Grain & Food Processing: Silos and mills where airborne dust presents explosion risks.

  • Paint Spray Booths & Wastewater Treatment Plants.

Packaging & Delivery

Our cables, wires, conductors are usually packed in wood drum, Iron-wooden drum.  Steel reel will also be used if required by client. For some short length, such as 50m, 150m, 300m, the conductor can also be packed in coil.

FAQ

What information should we provide to get a quotation?

Product standard, Conductor Size, Quantity, Sea port/Airport for delivery, etc.

How long time can we get your quotation?

Usually we will quote to you within 24 hours after get your detailed inquiry information

How can I know have you ever exported to our country/area? Are you familiar with our market?

We have exported to 100+ countries/area. We have rich export experience and will try our best to serve you and meet your needs.  You can contact us for detailed communications.

What trade term you offer?

Normally we offer EXW,FCA,FOB,CNF,CIF according to customer requirements.

What`s your lead time for the order?

According to different order quantity, the lead time is different.  Normally it is 7- 30 days for production. For large quantities, the goods will be shipped in partial times according to schedule.

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