Inquiry
Form loading...
-
Phone
-
E-mail
-
Whatsapp
-
WhatsApp
Our double lock cable gland series delivers superior sealing performance and mechanical retention for demanding waterproof wire protection applications across industrial, marine, and energy sectors.
A double lock cable gland is a precision-engineered sealing fitting that provides two independent locking mechanisms — a primary compression seal for waterproofing and a secondary locking ring for anti-vibration cable retention. This dual-action design ensures cables remain securely anchored even under extreme mechanical stress, thermal cycling, and continuous exposure to liquids, dust, and corrosive agents.
Unlike standard single-compression cable glands, double lock variants incorporate an outer locking nut and an inner sealing ring that work in concert to achieve IP68-rated ingress protection (continuous submersion beyond 1 meter) while simultaneously preventing cable pull-out under tensile loads exceeding industry standards. This makes them the preferred choice for outdoor electrical enclosures, subsea cable management, industrial automation panels, and renewable energy installations where both water ingress and cable displacement pose critical safety risks.
Engineered to exceed the most demanding waterproof wire protection requirements across global industrial standards.
Certified for continuous submersion in water beyond 1 meter depth, ensuring complete ingress protection for cables in wet, outdoor, and subsea environments.
Two independent locking stages prevent cable pull-out, vibration-induced loosening, and seal degradation — critical for mobile machinery and high-vibration industrial settings.
Full UL listing and CE marking ensures compliance with North American and European electrical safety standards, enabling global market access without re-certification.
Available in brass, nickel-plated brass, 304/316L stainless steel, and reinforced nylon — each optimized for specific environmental, chemical, and temperature requirements.
Operational from -40°C to +120°C, with specialized compounds extending performance into extreme thermal environments found in industrial furnaces, cold storage, and outdoor installations.
316L stainless steel and marine-grade coatings provide outstanding resistance to salt spray, chemical exposure, and oxidation — ideal for offshore, coastal, and chemical plant deployments.
Ergonomic design enables rapid hand-tightening with positive click confirmation of the secondary lock, reducing installation time by up to 40% compared to traditional multi-piece fittings.
Available in straight, 90° right-angle, multi-hole, and armored variants with thread sizes from M12 to M63, covering virtually every cable management scenario.
The global cable gland market is undergoing rapid transformation. Understanding these macro trends is essential for procurement engineers, system integrators, and facility managers selecting waterproof wire protection solutions.
The explosive growth of solar PV and offshore wind installations worldwide is creating unprecedented demand for IP68-rated double lock cable glands. Photovoltaic junction boxes, string inverters, and offshore wind turbine nacelles all require cable entries that withstand decades of UV exposure, salt spray, and temperature cycling without seal degradation. Market analysts project the renewable energy sector will account for over 28% of industrial cable gland demand by 2028.
Electric vehicle charging stations, battery management systems, and EV powertrain assemblies demand cable management solutions that combine IP68 waterproofing with vibration resistance and EMC shielding continuity. Double lock cable glands with integrated EMI/RFI shielding are becoming standard specification in EV OEM supply chains, with automotive-grade IATF16949-certified manufacturing now a baseline requirement.
As manufacturing facilities deploy increasing densities of sensors, actuators, and communication cables in harsh production environments, the need for reliable waterproof cable entries grows proportionally. Double lock cable glands with compact M12-M20 thread sizes are seeing surging adoption in collaborative robot arms, automated guided vehicles (AGVs), and CNC machine tool enclosures.
Stricter IMO and classification society (DNV, Lloyd's, ABS) regulations for cable penetration sealing on vessels and offshore platforms are driving upgrades from legacy single-compression glands to certified double lock systems. The global marine cable gland market is expected to grow at 6.2% CAGR through 2030, with stainless steel and ATEX-certified variants commanding premium market positions.
The deployment of 5G base stations, small cells, and edge computing nodes in outdoor and semi-outdoor environments requires cable glands capable of maintaining IP68 sealing integrity across extreme temperature ranges while accommodating the high density of fiber optic and power cables entering each enclosure. Nylon reinforced and stainless steel double lock variants are the preferred solutions for telecom OEM specifications.
Evolving IEC 62444, EN 50262, and NEC Article 514 standards are raising the minimum performance bar for cable gland installations in hazardous and wet locations. Manufacturers and installers increasingly specify double lock cable glands with dual-certified IP68 + UL ratings to future-proof their installations against regulatory updates, reducing total cost of compliance over the product lifecycle.
From deep-sea installations to smart city infrastructure, double lock cable glands provide the waterproof wire protection backbone across the most demanding application environments on Earth.
Double lock cable glands are specified for rooftop and ground-mount solar arrays where junction boxes and string combiner enclosures face continuous UV radiation, rain, and thermal cycling. IP68 certification ensures zero water ingress over 25+ year system lifespans, protecting inverter electronics and maximizing energy yield.
Renewable EnergyShipboard electrical panels, offshore platform junction boxes, and subsea cable terminations demand cable glands with 316L stainless steel construction, IP68 sealing, and resistance to chloride-induced corrosion. Double lock variants prevent cable pull-out under vessel motion and wave loading while maintaining watertight integrity.
Marine IndustryPLC cabinets, motor control centers, and variable frequency drive enclosures in food processing, pharmaceutical, and chemical plants require cable glands that withstand high-pressure washdown cycles (IP69K adjacent environments), chemical cleaning agents, and continuous vibration from adjacent machinery.
Industrial AutomationRailway signaling systems, traction power substations, and rolling stock electrical assemblies require cable glands certified to EN 50155 and EN 45545 standards. Double lock cable glands provide the mechanical robustness needed to survive constant vibration and shock loads while maintaining IP68 protection against trackside water spray and flooding.
Rail & TransitBattery pack housings, on-board chargers, and DC fast-charging stations require cable entries that combine IP68 waterproofing with high-current cable retention and EMI shielding. Double lock cable glands with EPDM sealing rings and nickel-plated brass bodies provide the optimal combination of electrical conductivity, corrosion resistance, and mechanical security.
Electric VehiclesExcavators, cranes, and mining equipment operate in extreme mud, dust, and vibration environments. Double lock cable glands on control system enclosures and sensor housings must maintain IP68 sealing while resisting mechanical shock loads and abrasive contamination. Brass and stainless steel variants with reinforced locking rings are the standard specification for OEM equipment builders.
Heavy IndustryOur double lock cable glands are manufactured to precise dimensional and performance standards, ensuring compatibility with global enclosure standards and cable specifications.
| Parameter | Specification | Standard / Reference |
|---|---|---|
| Ingress Protection Rating | IP68 (1.5m / 24hrs continuous submersion) | IEC 60529 / EN 60529 |
| UL Certification | UL Listed (File E-series) | UL 514B / UL 886 |
| Thread Sizes Available | M12, M16, M20, M25, M32, M40, M50, M63 | ISO 965 Metric Thread |
| Cable Diameter Range | 3mm – 52mm (model dependent) | — |
| Body Materials | Brass, Nickel-Plated Brass, 304 SS, 316L SS, PA66 Nylon | RoHS Compliant |
| Sealing Ring Material | NBR, EPDM, Silicone (application specific) | — |
| Operating Temperature | -40°C to +120°C (standard); up to +150°C (silicone seal) | — |
| Explosion-Proof Rating | ATEX / IECEx Zone 1 & Zone 2 (selected models) | EN 60079-0 / IEC 60079-1 |
| Salt Spray Resistance | ≥ 500 hours (nickel-plated brass); ≥ 1000 hours (316L SS) | ASTM B117 |
| Quality Management | ISO 9001:2015, IATF 16949:2016 | Third-party audited |
Backed by nearly two decades of engineering excellence, Hoonsun delivers the waterproof wire protection solutions that global OEMs and EPC contractors trust for their most critical installations.
Since 2011, Hoonsun has been honored as the designated supplier of waterproof cable glands for China's Aircraft Carrier "Liaoning" — a testament to the extreme reliability and quality consistency that defines every product we manufacture, from defense to commercial applications.
Our Yueqing industrial park houses over 200 high-precision automated production lines, CNC machining centers, and a full-process quality control laboratory — enabling annual output exceeding 80 million units with industry-leading delivery efficiency.
With nearly 100 invention and utility model patents, our dedicated R&D team of 30%+ of total staff continuously advances double lock sealing technology, anti-vibration mechanisms, and multi-material compatibility to stay ahead of evolving industry requirements.
ISO9001, IATF16949, CE, UL, ATEX, RoHS, and IP68 certifications enable our customers to deploy Hoonsun cable glands in any market without re-testing or re-certification delays — reducing time-to-market and total compliance costs significantly.
From non-standard thread forms and special sealing compounds to custom cable diameter ranges and OEM branding, our engineering team handles bespoke double lock cable gland designs from concept to mass production with rapid prototyping turnaround.
With dedicated account management, blanket order programs, and safety stock arrangements, Hoonsun functions as a true supply chain partner — not just a vendor — ensuring continuity for your production schedules regardless of market volatility.
Founded in 2006, Zhejiang Hongxiang Connector Co., Ltd. is rooted in Yueqing, Zhejiang — a national hub for precision electrical manufacturing in China. After nearly two decades of dedicated development, the company has evolved into a large modern industrial connectivity solutions provider integrating R&D and design, large-scale intelligent manufacturing, global sales, and one-stop services. It stands as a benchmark enterprise of considerable scale and influence in China's cable gland and connector industry, and a key player among national high-tech enterprises.
Boasting a modern intelligent manufacturing industrial park, the company operates a standardized production workshop of over 10,000 square meters, equipped with multiple high-precision automated production lines, CNC machining centers, and a full-process quality control laboratory, establishing an industry-leading large-scale manufacturing system. With a core team of more than 300 professionals — over 30% of whom are R&D and quality management personnel — its annual production capacity exceeds 80 million units.
Its core product portfolio includes metal cable glands, nylon cable glands, waterproof cable glands, explosion-proof connectors, conduit fittings, and various customized connecting accessories. These products serve high-end sectors such as industrial electrical equipment, new energy equipment, rail transit, shipbuilding and heavy industry, construction machinery, military supporting facilities, and communication & industrial control.
The company has obtained a series of internationally recognized certifications, including ISO9001, IATF16949 automotive quality management system, CE, UL, ATEX explosion-proof certification, RoHS, and IP68 high-protection rating. Its core technologies and product performance have reached international advanced levels, with nearly 100 invention and utility model patents to its name.
From a small waterproof cable gland workshop in 2006 to a globally recognized manufacturer with 80M+ unit annual capacity — our growth story reflects relentless commitment to engineering excellence.
Our double lock cable glands and waterproof wire protection products are backed by a comprehensive portfolio of internationally recognized quality and safety certifications, ensuring compliance for global deployment across regulated industries.
The company currently has more than 120 employees, more than 200 production equipment, and is equipped with a professional sales and management team, committed to improving production efficiency and product quality for waterproof cable gland manufacturing.
Explore our comprehensive range of IP68-certified double lock cable glands and waterproof wire protection solutions — engineered for every industrial, marine, energy, and infrastructure application.
Contact our engineering team today for technical consultation, custom specifications, sample requests, and competitive pricing on IP68 double lock cable glands for waterproof wire protection applications worldwide.
Explore Certifications & Products