Brass Flexible Seal Gland
The Brass Flexible Seal Gland is an engineered cable entry device featuring an integrated stainless steel or brass spiral spring guard. Designed for applications involving mechanical movement or continuous vibration, the spiral guard distributes bending stress away from the cable entry point, preventing conductor fatigue and jacket shearing. Built from precision-machined brass with an elastomeric clamping insert, it delivers robust mechanical retention and an IP68 seal against dust, water, and cutting fluids.
Brass Flexible Seal Gland - Technical Product Page
The Brass Flexible Seal Gland is an engineered cable entry device featuring an integrated stainless steel or brass spiral spring guard. Designed for applications involving mechanical movement or continuous vibration, the spiral guard distributes bending stress away from the cable entry point, preventing conductor fatigue and jacket shearing. Built from precision-machined brass with an elastomeric clamping insert, it delivers robust mechanical retention and an IP68 seal against dust, water, and cutting fluids.
Key Features
Anti-Kink Spiral Guard: External spring structure limits bending radius, protecting flexible cables from sharp angles and fatigue during dynamic movement.
Precision Machined Brass Body: High-density forged brass construction provides exceptional mechanical strength, impact resistance, and inherent corrosion resistance.
Integrated Clamping Claw & Seal: Polyamide (PA) clamping insert and NBR/EPDM sealing ring deliver concentric cable retention and liquid-tight performance simultaneously.
Electrolytic Nickel Plating: Surface finish prevents oxidation, resists salt spray corrosion, and maintains electrical conductivity for grounding continuity.
Technical Specifications
|
Parameter |
Specification |
|
Thread Standards |
Metric (ISO), PG (DIN 40430), NPT, G (PF) |
|
Thread Sizes |
Metric: M12 to M40 | PG: PG7 to PG36 |
|
Cable Clamping Range |
3.0 mm to 32.0 mm (dependent on thread size) |
|
Ingress Protection |
IP68 (5 bar, 30 min) / IP69K |
|
Material Composition |
Body & Locknut: Nickel-plated Brass | Spring: Stainless Steel (AISI 304) | Claw: PA66 | Seal: NBR / EPDM |
|
Operating Temperature |
Static: -40°C to +100°C (Short-term up to +120°C) | Dynamic: -20°C to +80°C |
Download Datasheet: [PDF Technical Data Sheet - Brass Flexible Seal Gland Series]
Download CAD Files: [3D STEP & 2D DXF Package]
Product Options
Thread Variations: Metric (standard), PG thread for European legacy panels, NPT for North American installations, and G threads.
Surface Finish: Standard nickel-plated brass or unplated natural brass for specific chemical compatibility.
Sealing Insert Options: Standard NBR (oil/petrol resistant) or EPDM (high ozone/weather resistance and wider temperature tolerance).
Locknut & Washer Supply: Available as individual components or pre-assembled kits with matching locknuts and flat washers.
Applications
Industrial Automation: Moving machine parts, robotic arms, and sensor lines requiring continuous flexing.
Electrical Control Cabinets: Outdoor distribution boxes, HVAC control panels, and heavy-machinery junction boxes.
Renewable Energy: Solar inverter housings and wind turbine nacelle auxiliary wiring.
Marine & Transportation: Railway signaling equipment, shipboard automation, and commercial vehicle chassis wiring.
OEM & ODM Customization
Custom Thread Machining: Production of non-standard thread pitches, extra-long thread lengths, or special inch-based threads per CAD drawings.
Material Grades: Custom manufacturing using special brass alloys (e.g., CW614N, CW617N) or alternative surface treatments.
Custom Marking: Laser-engraved company logos, part numbers, or traceability codes directly onto the gland hex body.
Kitting & Packaging: Bulk industrial packaging or customized barcode labeling tailored to automated warehouse assembly lines.
Quality Control
Dimensional Inspection: 100% optical comparator and caliper checks on thread pitch, outer diameter, and internal bore tolerances.
Thread Gauge Testing: Routine Go/No-Go thread plug and ring gauge verification to ensure seamless mating with threaded holes or locknuts.
Pressure & Sealing Tests: Pneumatic and hydrostatic pressure testing to verify IP68 ingress protection under submerged conditions.
Material Traceability: Spectrometer material analysis reports (MTR) provided upon request to verify raw brass chemical composition.
Frequently Asked Questions
Q: How do I select the correct gland size for my cable?
A: Match the thread size to your panel knockout hole, and ensure your cable outer diameter falls squarely within the gland's specified clamping range (e.g., a M20x1.5 gland typically accommodates cable diameters from 6mm to 12mm).
Q: What is the primary purpose of the spiral spring?
A: The spring limits the cable bending angle at the entry point, dispersing mechanical stress and preventing internal wire breakage caused by repetitive flexing or heavy vibration.
Q: Are these glands suitable for outdoor UV exposure?
A: Yes. The nickel-plated brass body and stainless steel spring resist UV degradation. For extreme outdoor environments, specify EPDM internal seals.
Q: Do you provide matching locknuts with the glands?
A: Locknuts and sealing washers can be included as an assembled set or ordered as separate bulk line items depending on your Bill of Materials.
Q: What is the standard minimum order quantity (MOQ) for custom threads?
A: Standard catalog items have no strict MOQ for stock items. Custom thread lengths or non-standard thread pitches generally require an MOQ starting at 500 to 1,000 pieces per size.
Q: What are your standard production lead times?
A: Standard catalog sizes ship within 3 to 7 business days. OEM custom production runs typically require 15 to 25 business days depending on order volume.
Request a Quote
To receive a formal quotation, please provide the following details:
Product Model / Series: (e.g., Brass Flexible Seal Gland)
Thread Specification: (e.g., M20x1.5, PG13.5, or NPT 1/2)
Cable Outer Diameter: (Min - Max mm)
Quantity Required: (Prototype, pilot run, or annual volume forecast)
Special Requirements: (Material grade certificates, custom laser marking, or specific seal compounds)
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