Brass Waterproof Cable Gland IP68
GQSSM
Product Overview
Brass Waterproof Cable Gland IP68
High-vibration, high-tension applications push plastic cable glands beyond their long-term reliability limits. GQSSM's nickel-plated brass body paired with a double-lock clamping structure delivers dramatically improved cable pull-out resistance — maintaining a firm, leak-proof hold in sustained vibration and high-tension environments.
Metal construction combined with PA66 nylon and EPDM high-performance sealing strikes the optimal balance between strength, protection, and weathering resistance. IP68, static -40°C to 100°C (peak 120°C). Suitable for EV charging systems, industrial automation equipment, and harsh-environment electrical control systems.
Key Features
- Double-lock clamping structure: Metal body with dual-stage clamping — cable pull-out resistance far exceeds standard nylon types
- Nickel-plated brass corrosion resistance: Metal strength with resistance to salt spray and chemical attack — suitable for demanding industrial environments
- Multi-thread standard support: Metric, PG, G (PF), NPT — compatible with equipment interfaces worldwide
| Specification | Details |
|---|---|
| Body Material (A/C/F parts) | Nickel-Plated Brass |
| E-Part Material | PA66 Nylon (UL94V-2); V-0 upgrade available |
| Seal Material (B/D parts) | EPDM; customizable: cold-resistant / high-temp / acid-alkali / chemical / anti-corrosion |
| Protection Rating | IP68 |
| Key Feature | Double-lock structure, high pull-out resistance |
| Working Temp (Static) | -40°C to 100°C (peak 120°C) |
| Thread Standard | Metric / PG / G (PF / BSP / PS) / NPT |
Engineering Drawing
Application Scenarios
EV Charging Equipment
Double-lock brass construction withstands repeated pull forces from charging connector cycles, ensuring long-term cable security and waterproof sealing reliability at charging stations.
Industrial Automation / Heavy Machinery
Metal body pull-out resistance far exceeds plastic types — suitable for high-vibration industrial machinery and heavy equipment where long-term freedom from loosening or water ingress is critical.
Marine / Outdoor Harsh Environments
Nickel-plated brass resists salt-spray corrosion. Combined with custom EPDM seal formulas, it is suited for marine electrical control systems and coastal outdoor installations requiring long-term protection.
Frequently Asked Questions
Q1｜What is the difference between brass and nylon cable glands? When should I choose metal?
Nylon (PA66) glands are lightweight with good chemical resistance — suitable for general industrial and outdoor wiring. Nickel-plated brass glands offer higher mechanical strength, and are specifically recommended when: ① the application involves high vibration (heavy machinery, near motors); ② cables require high pull-out resistance; ③ metal housing ground continuity is needed; ④ the environment involves salt spray or aggressive corrosion. If any of these conditions apply, GQSSM is the appropriate choice.
Q2｜What is the double-lock structure? How does it outperform a standard cable gland?
GQSSM's double-lock design uses an inner knurled split-nut assembly: two semicircular halves are brought together and locked with a through-bolt, which forces both halves to clamp inward simultaneously as it tightens. This creates a more uniform and tighter grip on the cable OD compared to a conventional single-piece nut. The result is greater pull-out strength under repeated cable tension — particularly valuable for EV charging cables and industrial drag-chain wiring.
Q3｜Which thread standards does GQSSM support? How does it handle global equipment requirements?
GQSSM is available in Metric, PG (German standard), G (PF / BSP / PS — British standard), and NPT (American standard), covering European, British, and North American equipment interfaces. For multi-region export, different thread standards can be mixed within a single order.
Q4｜Does GQSSM's IP68 rating include oil resistance? Is it suitable for food plants or chemical plants?
IP68 covers dust and water ingress only — it does not inherently cover oil resistance. For environments involving grease, strong acids/alkalis, or chemical solvents, pair GQSSM with a custom EPDM formula (chemical-resistant or acid/alkali-resistant seal). Contact sales to confirm specific application conditions and ensure long-term sealing reliability.
Q5｜Does nickel-plated brass require special maintenance? What is the expected service life?
Nickel-plated brass offers good corrosion resistance with no special maintenance required in general industrial environments. In salt-spray environments (marine vessels, coastal facilities), periodic visual inspection for corrosion signs is recommended, along with scheduled seal replacement to maintain waterproofing performance. Follow equipment manufacturer maintenance intervals.
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