High-Performance Mechanical Plugs for Cable & Duct Sealing
Port Plastics supplies durable, precision-engineered mechanical plugs designed for secure cable sealing, duct sealing, and protection in electrical, broadband, and utility applications. Whether you need to block airflow, prevent moisture intrusion, or safeguard unused conduit runs, our mechanical plugs deliver reliable performance, fast installation, and long service life.
Why Choose Port Plastics Mechanical Plugs?
Mechanical plugs are essential for maintaining network integrity and protecting infrastructure. Port Plastics offers a full range of loop-nut plugs, inside-fit plugs, and wing-nut plugs—each designed to support safe cable management, consistent sealing pressure, and dependable environmental protection.
Engineered for accuracy and built from high-quality materials, our mechanical plugs help you prevent contamination, maintain conduit pressure, and support long-term system reliability.
Product |
Description |
Key Features |
Ideal Application |
| Conduit Plug with Loop Nut |
Secure fastening for dependable conduit sealing The mechanical plug with loop nut is designed for applications requiring a strong, anchored seal within conduit systems. Its loop-style mechanism ensures stable installation and evenly distributed compression. |
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| Conduit Plug with Inside Fit |
Precision-fit plug for internal conduit sealing The inside-fit mechanical plug is engineered for use inside conduit walls, delivering a precise and snug fit that maintains consistent sealing performance. This design is ideal for installations where external hardware cannot protrude or where a low-profile seal is required. |
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| Conduit Plug with Wing Nut |
Tool-free installation with fast, adjustable sealing The mechanical plug with wing nut provides quick, tool-free compression—ideal for frequent access points or field adjustments. Its ergonomic wing-nut fastener allows installers to secure or remove the plug in seconds while maintaining a strong, airtight seal. |
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