Engineered Cable Gland Assemblies & Specialized Couplings
Factory-direct industrial PG and specialty cable connectors precision-machined in Yueqing, China, fully compliant with international IP68, UL 514B, and CE electrical standards.
Extended-thread architecture engineered for thick enclosure panels, junction boxes, and double-walled switchgear housings.
China Metal Cable Gland Length Type with UL and IP68 Factories, Factory
Dual-certified mechanical clamping mechanism specifically designed for steel-wire and steel-tape armored industrial cables.
China Simple Armored Cable Gland with Dual IP68 and UL Certification Supplier, Factory
JIS standard compliant naval cable gland providing salt-spray passivation and watertight sealing on commercial shipbuilding decks.
China China Suppliers Factory IP68 & UL Certified Marine Cable Gland JIS Standard Type for Corrosion Resistance Supplier, Factories
High-integrity TJ clamping system offering extreme pull-out retention and vibration security on offshore platforms.
China IP68 Marine Cable Gland TJ Clamping Type - Certified by UL, China Factory & Suppliers for Offshore Use Manufacturer, Suppliers
Precision quick-disconnect coupling built for modern liquid cooling thermal distribution in AI data center server racks and EV packs.
China UQD08S-1SMG052N-UQD08P-1SMG052N Suppliers, Factory
Strengthened nickel-plated brass body designed to withstand high mechanical impacts, heavy torsional strain, and continuous torque.
China Metal Cable Gland Strengthened Type - UL & IP68 Certified | Reliable Connections from China Suppliers & Factory Manufacturers, Suppliers
Constructed with surgical AISI 316 stainless steel and fluororubber elastomeric seals for extreme continuous operating temperatures.
China High Temperature Resistant Metal Cable Gland - China Suppliers & Factory - UL & IP68 Certified - 316 Stainless Steel Manufacturer, Factory
Exceptional acid, chloride, and chemical resistance designed for hygienic food, beverage, pharmaceutical, and maritime processing.
China China Factory Suppliers Stainless Steel Cable Gland IP68 Waterproof UL Certified for Corrosion Resistance Supplier, FactoryGlobal Leading PG Size Chart & Dimensional Specifications
The standard reference guide for Panzergewinde (PG) German thread standards, major diameters, pitch ratings, clearance hole diameters, and clamping ranges in millimeters and inches.
Panzergewinde (PG) threads, historically standardized under DIN 40430 and maintained across European, Asian, and American automation plants, feature a uniquely engineered 80° flank angle (thread profile) with a significantly shorter pitch compared to standard ISO Metric (60°) or British Standard Pipe (55°) geometries. This shallow tooth profile allows electrical engineers to terminate thin-walled steel cabinets, cast aluminum terminal boxes, and molded polycarbonate enclosures without compromising mechanical wall stability or risking catastrophic thread shearing during torsional strain.
As a global tier-one cable gland manufacturer, HOONSUN (Zhejiang Hongxiang Connector Co., Ltd.) produces PG glands from size PG7 up to PG63 in high-grade nickel-plated brass (CuZn39Pb3), AISI 304/316L stainless steel, and UV-stabilized virgin Polyamide PA66. Below is our definitive engineering sizing chart utilized by design engineers and procurement directors worldwide to eliminate sizing mismatch and guarantee IP68/IP69K sealing performance.
| PG Thread Size | Major Dia. (mm) | Major Dia. (Inch) | Thread Pitch (mm) | Pitch (TPI) | Clearance Hole (mm) | Standard Clamping (mm) | Cap Tightening Torque (Nm) |
|---|---|---|---|---|---|---|---|
| PG 7 | 12.5 mm | 0.492" | 1.270 mm | 20 TPI | 12.7 – 13.0 mm | 3.0 – 6.5 mm | 2.5 – 3.5 Nm |
| PG 9 | 15.2 mm | 0.598" | 1.411 mm | 18 TPI | 15.4 – 15.7 mm | 4.0 – 8.0 mm | 3.5 – 5.0 Nm |
| PG 11 | 18.6 mm | 0.732" | 1.411 mm | 18 TPI | 18.8 – 19.2 mm | 5.0 – 10.0 mm | 4.0 – 6.0 Nm |
| PG 13.5 | 20.4 mm | 0.803" | 1.411 mm | 18 TPI | 20.6 – 21.0 mm | 6.0 – 12.0 mm | 5.0 – 7.5 Nm |
| PG 16 | 22.5 mm | 0.886" | 1.411 mm | 18 TPI | 22.8 – 23.3 mm | 10.0 – 14.0 mm | 6.0 – 8.5 Nm |
| PG 21 | 28.3 mm | 1.114" | 1.588 mm | 16 TPI | 28.6 – 29.2 mm | 13.0 – 18.0 mm | 8.0 – 12.0 Nm |
| PG 29 | 37.0 mm | 1.457" | 1.588 mm | 16 TPI | 37.3 – 38.0 mm | 18.0 – 25.0 mm | 12.0 – 16.0 Nm |
| PG 36 | 47.0 mm | 1.850" | 1.588 mm | 16 TPI | 47.4 – 48.2 mm | 22.0 – 32.0 mm | 15.0 – 22.0 Nm |
| PG 42 | 54.0 mm | 2.126" | 1.588 mm | 16 TPI | 54.4 – 55.2 mm | 32.0 – 38.0 mm | 20.0 – 28.0 Nm |
| PG 48 | 59.3 mm | 2.335" | 1.588 mm | 16 TPI | 59.7 – 60.5 mm | 37.0 – 44.0 mm | 25.0 – 35.0 Nm |
| PG 63 | 70.0 mm | 2.756" | 1.588 mm | 16 TPI | 70.5 – 71.5 mm | 42.0 – 54.0 mm | 30.0 – 40.0 Nm |
Critical Engineering Note on Tolerance & Clamping Overlap:
Cable outer diameters (O.D.) often exhibit manufacturing variations up to ±8% across different cable manufacturers. To maintain genuine IP68 immersion performance (up to 5 bar / 50 meters for 72 hours), the uncompressed outer diameter of your industrial cable should lie within the mid-range of the gland's clamping specification, rather than at the absolute mechanical boundary. HOONSUN incorporates progressive multi-split neoprene or silicone elastomeric bushes to provide linear sealing compression without biting into inner insulation sheaths.
Thread Geometries: PG vs. Metric vs. NPT vs. G (BSPP)
Decoupling international engineering protocols to facilitate cross-border electrical panel retrofitting, hazardous area containment, and original equipment manufacturing.
| Standard Dimension | Flank Angle | Taper / Parallel | Governing Norm | Sealing Mechanism | Primary Global Adoption |
|---|---|---|---|---|---|
| PG (Panzergewinde) | 80° | Parallel (Cylindrical) | DIN 40430 | O-Ring / Washer at Shoulder | European legacy, heavy industrial automation, global machinery OEMs |
| Metric (M) | 60° | Parallel (Cylindrical) | EN 62444 / ISO 68-1 | O-Ring or Flat Elastomeric Gasket | Modern European Union, ISO international standard, Asian exports |
| NPT (National Pipe Taper) | 60° | 1:16 Tapered (1°47') | ANSI / ASME B1.20.1 | Thread deformation & thread sealants | North America (USA, Canada, Mexico), Petrochemical, Oil & Gas |
| G / BSPP (British Pipe) | 55° | Parallel (Cylindrical) | ISO 228-1 / BS 2779 | Flat sealing washer or O-ring recess | Commonwealth markets, marine hydraulics, Japanese industrial panels |
While modern European legislation introduced EN 50262 (later harmonized as EN 62444) favoring Metric threads for newly designed building installations, the industrial automation, factory robotics, and hazardous mining sectors universally maintain vast infrastructures designed around DIN 40430 PG thread entries. Forcing a Metric M20 thread into a PG13.5 or PG16 hole without an engineered conversion adaptor results in cross-threading, mechanical stress concentrations, and total forfeiture of IP ingress protection ratings.
HOONSUN solves this cross-border integration friction by manufacturing complete interoperability portfolios: direct DIN PG glands, Metric-to-PG reducers/enlargers, and NPT explosion-proof transition unions, ensuring electrical contractors can connect any power cable to any global control cabinet.
Mission-Critical Deployments in Heavy Global Industries
HOONSUN engineered cable glands protect electrical assets in harsh environments where moisture ingress, thermal cycling, or chemical degradation would cause catastrophic downtime.
Renewable Wind & Solar Energy
Offshore wind turbines and desert utility-scale photovoltaic parks subject cable entries to intense ultraviolet radiation, wide temperature fluctuations (-40°C to +120°C), and high wind vibrations. HOONSUN's nickel-plated brass and 316 stainless glands prevent nacelle moisture condensation and solar string junction failure.
Electric Mobility & Charging Infras
High-voltage battery enclosures, power conversion units, and megawatt ultra-fast charging stations require robust EMC (electromagnetic compatibility) screening. Our metal cable glands offer 360-degree brass contact springs that ground shielding braids to the chassis, extinguishing electromagnetic interference.
High-Precision Robotics & AMRs
Continuous dynamic flexing, acceleration, and torsional stress on articulated robotic arms destroy standard cable grips. HOONSUN metal-hose flexible conduit glands deliver integral bend-limiting strain relief, safeguarding sensitive Ethernet, optical fiber, and servo cables from internal conductor fractures.
Zhejiang Hongxiang Connector Co., Ltd. (HOONSUN)
Headquartered in Liushi, Yueqing — China’s globally recognized electrical capital — HOONSUN operates as a certified High-Tech Enterprise delivering audited engineering excellence since 2006.
Unlike commercial trading operations that re-package unverified commodities, HOONSUN directly controls every phase of the manufacturing process across our modern Liushi facilities. Backed by RMB 5,000,000 in registered capital, our integrated campus houses multi-axis CNC Swiss-type lathes, automated injection moulding centers for high-grade PA66 polymers, cryogenic deflashing machines, and full-spectrum testing laboratories.
Our quality assurance department validates every batch through thread go/no-go ring gauges, salt-spray corrosion chambers, tensile pull-out testers (exceeding EN 62444 Class A requirements), and hydro-pneumatic pressure vessels. We actively engage our overseas engineering partners face-to-face at the Canton Fair (Booth 20.1G03, Industrial Automation) and Middle East Energy (Hall H8, Stand B55), providing transparent access to technical audits and full material traceabilities.
Optical Inspection
Every single batch undergoes rigorous dimensional verification of pitch and flank profiles.
5 Bar Submersion
Hydrostatic chamber validation guaranteeing zero moisture ingress up to 50m water head.
Flame Retardance
Thermoplastic polyamide polymers self-extinguish within 10 seconds without flaming drips.
Salt Spray Rating
Electroless nickel plating and 316 stainless steels withstand severe marine coastal mists.
Regulatory Compliance & Regional Market Approvals
Mitigating cross-border liability through full accreditation with North American, European, and Asia-Pacific industrial electrical codes.
UL 514B Certification (USA / Canada)
HOONSUN cable glands satisfy Underwriters Laboratories' stringent requirements for strain relief, conductor pull-out resistance, and conduit fitting enclosure seals across UL Type 4, 4X, and 6P industrial enclosures.
CE, RoHS & REACH Directives (EU)
Full conformance with the European Low Voltage Directive (LVD) and Restriction of Hazardous Substances. Guaranteed zero hazardous lead, mercury, cadmium, or halogen content across our metallic and thermoplastic product lines.
ATEX & IECEx Hazardous Locations
Specialized explosion-proof flameproof (Ex d) and increased safety (Ex e) cable glands designed to prevent internal spark propagation within Zone 1, Zone 2, Zone 21, and Zone 22 petrochemical atmospheres.
Technological Roadmap: The Next Era of Industrial Sealing
Anticipating thermal dissipation, hyper-scale AI hardware density, and intelligent predictive maintenance requirements.
As computing densities in modern artificial intelligence clusters surpass 100 kW per rack, traditional air-cooling architectures are collapsing under thermodynamic physical limits. In response, HOONSUN is actively expanding its R&D engineering beyond conventional mechanical cable passthroughs into direct-to-chip and immersion liquid cooling quick-disconnect couplings (such as the UQD08 series). These micro-tolerance fluid connectors feature dripless dry-break internal shutoff valves, ensuring zero dielectric fluid leakage during hot-swap operations.
Concurrently, our material laboratories are prototyping hybrid smart sensing cable glands incorporating integrated micro-MEMS temperature and humidity sensors within the compression sealing gland ring. This allows automated building management systems (BMS) and substation SCADA networks to identify loose connections, thermal runaway, or internal enclosure moisture accumulation weeks before catastrophic flashover occurs.
Liquid Cooling Micro-Tolerances
Nanometer-level CNC machining guaranteeing zero-drip disconnections for AI data centers and gigawatt battery energy storage systems (BESS).
Bio-Polymer Formulations
Developing 100% bio-sourced and halogen-free polyamide granules achieving UL 94V-0 flammability without environmental ecotoxicity.
Integrated IoT Condition Monitoring
Active telemetry embedded in gland bodies to transmit sealing pressure, vibration, and thermal metrics to maintenance dashboards.
Frequently Asked Technical Questions
In-depth answers curated by our Senior Application Engineers for mechanical designers, panel builders, and procurement officers.
Why does the PG thread standard use an 80-degree flank angle instead of 60 degrees?
What is the exact engineering distinction between IP68 and IP69K for cable glands?
Can I directly screw a PG-threaded cable gland into an ISO Metric tapped hole?
How do I select between Nickel-Plated Brass and AISI 316L Stainless Steel cable glands?
- Nickel-Plated Brass (CuZn39Pb3): Delivers exceptional mechanical strength, superior electrical conductivity for EMC grounding, and excellent cost efficiency across general machinery, robotics, and clean indoor/outdoor automation.
- AISI 316L Stainless Steel: Contains 2-3% molybdenum, which grants extreme resistance against chloride pitting, marine splash zones, sulfuric acid atmospheres, and caustic washdown detergents. It is universally specified in offshore drilling rigs, chemical processing plants, and pharmaceutical cleanrooms.
What is the purpose of an EMC cable gland and how is shielding achieved?
What documentation and test reports does HOONSUN supply with OEM orders?
Heavy-Duty Compression, Conduit & Protective Glands
Explore our extended manufacturing lines engineered for explosion-proof safety, high-heat metallurgy, flexible conduit integration, and cabinet pressure equalization.
Economical, high-durability single compression design ensuring airtight, watertight sealing for general factory panels.
China Single Compression Type Cable Gland IP68: Reliable Waterproof Solution from China Suppliers and Factory Supplier, Factories
Seamless coupling designed for flexible metallic conduit, guarding continuous robotic flexing against moisture.
China China 304/316L Stainless Steel Hose Cable Gland - Reliable Suppliers and Factory for Waterproof Connections Supplier, Factory
Trusted naval-grade marine clamping gland engineered to secure shipboard cables against continuous salt-fog spray.
China IP68 Marine Cable Gland TJ Clamping Type - Certified by UL, Trusted China Suppliers & Factory for Offshore Use Manufacturer, Manufacturers
Engineered for hazardous zones with dual elastomeric seals protecting inner cable bedding and outer armor layers.
China Double-Sealed Armored Explosion-Proof Cable Gland IP68 UL Certified - China Suppliers & Factory Manufacturer, Factories
Innovative split architecture permitting rapid retrofits and pre-terminated harness entry without cut-and-splice rewiring.
China Nylon Split Cable Gland IP68 Waterproof - Durable Solutions from China Suppliers and Factory Manufacturer, Supplier
Breathable ePTFE membrane vent plugs equalizing differential casing pressure while stopping water and dust entry.
China China Suppliers Factory IP68 and UL Certified Metal Vent Plug for Professional Electrical and Automotive Ventilation Manufacturer, Factories
Dual-locking mechanical body engineered to resist extreme torsional torque and prevent accidental field decoupling.
China China Metal Cable Gland Double Lock Type IP68 - Reliable Suppliers and Factory for Industrial Cable Protection Manufacturer, Supplier
Equipped with thermal-stabilized fluoro-elastomer inserts for uninterrupted performance up to +200°C continuous duty.
China High Temperature Resistance Metal Cable Gland - IP68 & UL Certified | China Suppliers and Factory Factories, FactoryConsult Directly with HOONSUN Application Engineers
Whether you require tailored PG thread extensions, custom inner-clamping silicone compounds for extreme sub-zero operation (-60°C), or high-volume private label distributor packaging, our Liushi technical factory team delivers rapid CAD turnaround, prototype tooling, and certified laboratory validation.