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Precision-engineered single compressor glands and cable sealing systems designed for hazardous and explosion-proof environments across global industries.
A single compressor gland is a specialized cable entry device engineered to provide a single-point, mechanically robust seal around cables penetrating enclosures, junction boxes, and equipment housings in hazardous locations. Unlike standard cable glands, explosion-proof variants are designed to contain any internal ignition and prevent the propagation of flame or explosive pressure to the surrounding atmosphere.
In explosive atmospheres — classified under ATEX Zone 1/Zone 2 (gas/vapor) and Zone 21/Zone 22 (dust) — the single compressor gland acts as the critical interface between energized cabling and the protected enclosure. Its single-compression design applies uniform radial force to the cable jacket, achieving a gas-tight, water-tight, and mechanically secure termination that meets the highest international standards including ATEX, IECEx, UL, IP68, and more.
The demand for such products is surging globally as industries ranging from oil & gas to renewable energy invest heavily in infrastructure safety and regulatory compliance. A correctly specified single compressor gland is not merely a hardware component — it is a frontline safety device.
The single compressor mechanism delivers consistent, repeatable clamping force with fewer components, reducing installation error and long-term maintenance risk. In Zone 1 and Zone 2 classified areas, even a micro-gap in cable sealing can allow flammable gas ingress — making the precision engineering of the compressor ring critical. Single compressor glands from certified manufacturers deliver IP68 ingress protection, Ex d/e flameproof integrity, and EMC shielding continuity in a single, compact unit.
The explosion-proof cable gland and compressor gland market is expanding rapidly, driven by stricter safety regulations, industrial automation, and energy sector growth worldwide.
Single compressor glands for explosion-proof environments are deployed across a wide spectrum of critical industries where cable integrity and zone safety are non-negotiable.
Refineries, offshore platforms, and LNG terminals operate in Zone 1/Zone 2 classified atmospheres. Single compressor glands seal cable entries into motor junction boxes, control panels, and instrument enclosures, preventing hydrocarbon vapor ingress and maintaining Ex d flameproof integrity under extreme pressure and temperature cycling.
Chemical processing plants handle volatile solvents and reactive gases. Explosion-proof single compressor glands with REACH-compliant materials and corrosion-resistant nickel-plated brass or stainless steel bodies ensure long-term sealing integrity even in the presence of aggressive chemical agents and high-humidity environments.
Solar farms and battery energy storage systems (BESS) increasingly require explosion-proof cable management at inverter stations and high-voltage DC junction points. IP68-rated single compressor glands protect against moisture, UV degradation, and arc flash events in outdoor and semi-enclosed installations.
Naval vessels, cargo ships, and offshore rigs demand cable glands that withstand saltwater corrosion, vibration, and mechanical shock. Our EX4 explosion-proof marine cable glands, IP68 rated and UL listed, are trusted by shipbuilders for engine rooms, fuel handling areas, and deck installations where Zone 1 conditions prevail.
Underground mining environments present dual hazards: methane gas (Zone 1) and coal dust (Zone 21). Single compressor glands with dual-certified ATEX/IECEx ratings provide the necessary protection for conveyor belt drives, ventilation motors, and communication cabling in these high-risk zones.
Modern rail and metro systems route high-voltage and data cables through tunnels and underground stations where dust accumulation and confined-space hazards apply. Explosion-proof cable glands ensure safe, long-lasting cable terminations in traction power systems, signaling enclosures, and emergency lighting circuits.
The single compressor gland sector is undergoing rapid technological evolution, driven by global safety mandates, digitalization, and the energy transition.
Manufacturers and end-users increasingly demand products certified simultaneously to ATEX, IECEx, UL/CSA, and regional standards (e.g., INMETRO for Brazil, EAC for Russia). This drives manufacturers to invest in unified product platforms that satisfy multiple certification frameworks, reducing supply chain complexity.
The Industrial IoT (IIoT) revolution is extending into hazardous area hardware. Next-generation explosion-proof glands are being developed with embedded sensors for real-time monitoring of seal integrity, temperature, and vibration — enabling predictive maintenance and reducing unplanned downtime in critical facilities.
Traditional brass and steel glands are being complemented by advanced engineering polymers and composite alloys that offer equivalent mechanical strength at reduced weight and cost. Nylon PA66 and glass-fiber reinforced variants now achieve IP68 and Ex e ratings, opening new applications in portable equipment and lightweight structures.
As the global energy mix shifts toward wind, solar, and hydrogen, new hazardous area classifications are emerging at electrolyzer facilities, hydrogen refueling stations, and offshore wind substations. Explosion-proof single compressor glands rated for hydrogen service (Group IIC) are among the fastest-growing product segments.
Regulatory bodies in the EU (ATEX Directive 2014/34/EU), North America (NEC 500/505), and Asia-Pacific are tightening enforcement of explosion-proof equipment standards. This is elevating the minimum acceptable quality bar, creating strong demand for verified, third-party certified products from established manufacturers.
Project timelines in oil & gas and industrial construction are compressing. Leading suppliers now offer rapid custom engineering services — including non-standard thread forms, special cable diameter ranges, bespoke armoring clamp designs, and customer-branded packaging — with lead times measured in days, not weeks.
Every product is engineered to exceed international safety and performance benchmarks, delivering long-term value in the harshest environments.
Fully submersible sealing performance — tested to 1.5m water depth for 30 minutes minimum. Prevents moisture, dust, and gas ingress in all installation orientations.
Certified Ex d and Ex e protection concepts. Contains internal ignition and prevents flame propagation to surrounding explosive atmospheres in Zone 1 and Zone 2 areas.
Uniform radial clamping force eliminates cable micro-movement and seal degradation over time. Engineered for consistent performance across thousands of installation cycles.
Available in nickel-plated brass, 316L stainless steel, and high-grade nylon PA66. Each material optimized for specific chemical, thermal, and mechanical environments.
Independently tested and certified to UL, CE, RoHS, and REACH standards. Full documentation packages available for project compliance and EPC contractor requirements.
Operational from -60°C to +120°C depending on variant. Suitable for Arctic installations, high-temperature process environments, and everything in between.
Ergonomic design allows rapid hand-tight installation without specialist tools, reducing installation time and labor costs on large-scale projects.
Integral armour clamp and earth tag options ensure 360° EMC shielding continuity — critical for instrumentation and control cabling in electrically noisy industrial environments.
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 in 2006 to a globally recognized explosion-proof connectivity solutions provider — our journey reflects two decades of relentless innovation.
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.
Our single compressor glands and explosion-proof cable management products are backed by a comprehensive suite of internationally recognized certifications, ensuring compliance with the world's most stringent safety and quality standards.
Explore our full portfolio of certified single compressor glands and explosion-proof cable entry solutions — engineered for every hazardous area application.
With over 18 years of engineering expertise, 80M+ annual production units, and a full portfolio of internationally certified explosion-proof single compressor glands — Zhejiang Hongxiang Connector Co., Ltd. is your trusted global supply partner.
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