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Precision-engineered cable glands designed for flat cable routing in demanding marine and offshore environments, with IP68, UL, ATEX certifications.
The global marine and offshore equipment sector is undergoing rapid transformation driven by deepwater exploration, offshore wind energy expansion, and the digitalization of naval vessels. At the heart of these systems lies reliable cable management — and cable glands for flat cables have become a mission-critical component.
Flat cables are increasingly preferred in marine environments due to their space-saving profile, flexibility, and ease of routing through tight bulkheads and conduit pathways. However, they demand specialized glands that provide a hermetic seal around their non-circular cross-sections, resisting seawater ingress, salt spray, vibration, and extreme temperature fluctuations.
The global marine cable gland market was valued at over USD 420 million in 2023 and is projected to grow at a CAGR of 6.8% through 2030, fueled by offshore energy investments, shipbuilding activity in Asia-Pacific, and stricter IEC/ATEX compliance requirements.
Engineered to meet the most demanding marine and offshore specifications, our cable glands for flat cables deliver unmatched protection and performance.
Certified to withstand continuous submersion beyond 1 meter depth, providing absolute seawater and moisture protection for flat cable entries on vessels, platforms, and subsea enclosures.
Fully certified for Zone 1 and Zone 2 hazardous areas, essential for offshore oil & gas platforms, LNG carriers, and chemical tankers where explosive atmospheres are present.
Marine-grade 316L stainless steel body provides superior resistance to chloride corrosion, salt spray, and biofouling — maintaining structural integrity over decades of offshore service.
Operates reliably from -60°C to +200°C, accommodating the extreme thermal cycling encountered in Arctic drilling operations, tropical offshore platforms, and engine room installations.
Specially designed elastomeric sealing inserts conform precisely to flat cable profiles, eliminating ingress paths and providing strain relief that prevents cable damage under vessel vibration and movement.
UL, CE, RoHS, REACH, ISO9001, and IATF16949 certifications ensure global market acceptance and compliance with DNV, Lloyd's Register, ABS, and Bureau Veritas classification society requirements.
From naval vessels to floating wind turbines, our flat cable glands serve every critical marine and offshore application with precision-engineered sealing solutions.
Flat cable glands seal power and data cables through bulkheads on container ships, tankers, and naval destroyers, maintaining watertight compartment integrity per SOLAS requirements.
Explosion-proof flat cable glands protect instrumentation, control, and power cables on FPSOs, jack-up rigs, and semi-submersible platforms operating in Zone 1/Zone 2 hazardous areas.
As the fastest-growing offshore sector, wind turbine foundations and transition pieces require IP68 flat cable glands for power export cables, monitoring systems, and inter-array cabling in salt-laden environments.
Ultra-high-pressure rated flat cable glands enable reliable umbilical cable penetration in ROV systems, subsea control modules, and underwater monitoring equipment at depths exceeding 3,000 meters.
Waterproof flat cable glands protect shore power connections, lighting systems, and CCTV cabling in port cranes, jetty structures, and marine terminals exposed to constant salt spray and humidity.
Scientific research ships require precision cable sealing for sensitive sensor arrays, acoustic equipment, and data acquisition systems, where signal integrity and watertight protection are equally critical.
Hoonsun has been honored as a supplier of special waterproof cable glands for China's Aircraft Carrier "Liaoning" — demonstrating the highest level of military-grade marine reliability and quality assurance.
Emerging tidal energy converters and wave power generators demand cable glands capable of withstanding cyclic mechanical stress and permanent seawater immersion in intertidal zones.
In 2011, Hoonsun was honored to supply specialized waterproof cable glands for China's first aircraft carrier, the "Liaoning." This landmark achievement validated our engineering excellence and established Hoonsun as a trusted partner for the most demanding marine applications on the planet. Our flat cable glands carry this same DNA of precision, reliability, and uncompromising quality to every offshore and marine project worldwide.
The marine cable gland market is evolving rapidly. Here are the key trends shaping the future of flat cable gland technology for offshore applications.
Global offshore wind capacity is expected to exceed 500 GW by 2030. Each turbine foundation requires dozens of flat cable glands for power, control, and monitoring cables. This single sector is driving unprecedented demand for high-specification marine cable glands, particularly those rated IP68 and compliant with DNV GL standards.
Modern vessels and platforms are integrating IoT sensors, predictive maintenance systems, and digital twins. This increases the density of flat data cables requiring gland protection, while also creating demand for cable glands with integrated EMC shielding to protect sensitive signal cables from electromagnetic interference.
Next-generation flat cable glands are incorporating advanced polymer composites, titanium alloys, and nano-coated surfaces to achieve superior weight reduction, enhanced corrosion resistance, and longer service intervals — critical factors for deepwater and Arctic offshore installations where maintenance access is extremely limited.
Classification societies including DNV, Lloyd's Register, ABS, and Bureau Veritas are continuously tightening fire resistance, EMC, and environmental sealing requirements for marine cable glands. Manufacturers must achieve multi-standard certification simultaneously, driving consolidation toward suppliers with comprehensive quality management systems like ISO9001 and IATF16949.
The shift toward hybrid and fully electric propulsion systems — LNG-powered ships, hydrogen fuel cell vessels, and battery-electric ferries — is dramatically increasing the volume and variety of flat power cables requiring specialized glands rated for high-voltage DC systems and elevated thermal conditions.
Global shipbuilders and offshore EPC contractors increasingly require just-in-time delivery of custom-engineered cable glands. Manufacturers with in-house CNC machining, rapid prototyping, and large inventory capacity — like Hoonsun's 80M+ unit annual production capability — hold a decisive competitive advantage in this evolving market.
Fully automated CNC production lines and quality control laboratories ensuring consistent precision for every flat cable gland produced.
Industry-leading production volume enables rapid fulfillment of large-scale offshore project orders with guaranteed delivery timelines.
Nearly 100 invention and utility model patents drive continuous product innovation, keeping our flat cable glands at the forefront of marine technology.
ISO9001, IATF16949, CE, UL, ATEX, RoHS, IP68 — comprehensive certifications ensuring acceptance by classification societies and regulatory bodies worldwide.
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.
From a small brass cable gland workshop to an internationally recognized marine-grade manufacturer — the Hoonsun journey of innovation and growth.
Our flat cable glands for marine and offshore equipment are backed by a comprehensive portfolio of internationally recognized certifications, ensuring compliance with global standards and classification society requirements.
The company currently has more than 120 employees, more than 200 production equipment units, and is equipped with a professional sales and management team, committed to improving production efficiency and product quality for marine and offshore cable gland solutions.
Explore our full product series — from explosion-proof to armored, from single compression to double-sealed — all engineered for the most demanding marine and offshore environments.
From single prototype orders to large-volume offshore project supply, our engineering team is ready to provide custom flat cable gland solutions that meet your exact marine specifications. Contact us for technical consultation, certification documentation, and competitive pricing.
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