Product Overview
The BDM-VI/D Series Metal Single-Compression Heavy-Duty Explosion-Proof Cable Gland is a high-performance cable entry solution designed to deliver maximum safety in hazardous and explosive environments. Featuring an advanced single-compression mechanism at the gland head, it achieves reliable sealing and supplementary mechanical clamping directly on the outer cable sheath, ensuring fast, safe, and dependable field installation.
Certified for explosive gas atmospheres (Zone 1 and Zone 2) and combustible dust environments (Zone 20, Zone 21, and Zone 22), the BDM-VI/D series is available in premium nickel-plated brass, 304 stainless steel, and 316L stainless steel. Equipped with high-grade silicone rubber seals capable of enduring extreme temperatures from -60°C to +100°C, this series delivers robust IP66 ingress protection and outstanding corrosion resistance—making it the preferred choice for global petrochemical, marine, oil & gas, and heavy industrial automation projects.
Key Features
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Efficient Single-Compression Design: Compresses directly onto the outer cable sheath. The optimized, compact structure significantly reduces field installation time while guaranteeing maximum mechanical retention.
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Global Explosion-Proof Performance: Certified Ex db IIC Gb / Ex eb IIC Gb / Ex tb IIC Db. Complies with rigorous international standards (IECEx/ATEX compliant) for complete safety in IIA, IIB, and IIC gas groups.
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Industrial-Grade Material Options: Manufactured in rugged nickel-plated brass for standard industrial environments, as well as SS304 and SS316L stainless steel for highly corrosive marine and chemical setups.
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IP66 Weatherproof Sealing: Specifically engineered against high-pressure water jets and fine industrial dust, providing a tight, secure seal to protect critical electrical enclosures.
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High-Performance Silicone Seals: Internal sealing components utilize top-tier silicone rubber, offering exceptional anti-aging properties, strong chemical resistance, and compatibility with various cable constructions.
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Extreme Temperature Tolerance: Operates continuously and reliably in harsh climate conditions ranging from -60°C to +100°C.
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Universal Thread Compatibility: Available in standard Metric (M), NPT, and G (PF) thread profiles to match global equipment interfaces. Full OEM/ODM technical customization is supported.
Applications
The BDM-VI/D Metal Single-Compression Explosion-Proof Cable Gland is widely specified for safety-critical electrical systems in demanding environments across the following industries:
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Oil, Gas & Petrochemical: Onshore and offshore platforms, refineries, tank farms, and LNG processing facilities.
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Chemical & Pharmaceutical Plants: Facilities handling volatile chemicals, hazardous gases, or corrosive reagents.
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Hazardous Material Storage: Classified industrial sites including Zone 1 & Zone 2 (gas environments) and Zone 20, Zone 21 & Zone 22 (dust environments).
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Heavy Manufacturing & Infrastructure: Marine engineering, shipbuilding, defense facilities, power plants, and cabling networks for armored/non-armored power and telecom cables.
Product FAQs
Q1: What is the main advantage of a single-compression cable gland like the BDM-VI/D compared to a double-compression cable gland?
A: A single-compression metal cable gland compresses directly onto the cable’s outer sheath to form a seal. Its primary advantages are a simpler, more compact structure, lighter weight, and faster on-site installation, which significantly reduces labor costs while still meeting strict IP66 and Ex db/Ex eb explosion-proof safety standards.
Q2: Does this single-compression cable gland support armored cables?
A: Yes. The BDM-VI/D series is versatile and suitable for both armored and non-armored cable systems, provided the single-compression sealing ring compresses properly against the appropriate outer sheath of the cable.
Q3: Which material option is recommended for offshore projects?
A: For highly corrosive marine environments, coastal areas, or offshore platforms exposed to salt spray and high humidity, we strongly recommend 316L stainless steel (SS316L) due to its superior corrosion and pitting resistance. For standard onshore hazardous facilities, nickel-plated brass or 304 stainless steel serve as highly durable and cost-effective alternatives.
Q4: Can we customize the thread length and specifications?
A: Absolutely. As a direct manufacturer, we support extensive OEM/ODM customization. While Metric (M) threads are standard, we also precision-manufacture NPT threads for the American market and G (PF) threads to fit specific European and Asian machinery standards. Extended thread lengths are also available upon request.
