4″ Simplex Entry Seals For Microduct Pathway
4″ Simplex Entry Seals for Microduct Pathway | Cal Am Manufacturing
Cal Am 4″ (100 mm) Simplex Entry Seals for Microduct Pathway Systems provide a clean, professional sealing solution engineered to protect and organize microduct installations. Designed for compatibility with DuraLine FuturePath and similar multi-way microduct pathways, these seals deliver unmatched performance in both new and retrofit applications.
Built from high-strength thermoplastic elastomer and equipped with stainless steel fasteners, these seals replace traditional, messy splice kits with a reusable, cost-effective solution. Their split design allows installation anywhere along existing microduct networks—saving time, reducing waste, and simplifying maintenance.
Key Features & Benefits
- Customizable Port Shapes – Configured for multiple microduct patterns including 2-way ovals, 3-way triangles, 4-way squares, and 7- or 19-way hexagons.
- Durable, Water-Tight Construction – Made from resilient thermoplastic elastomer that seals against water, sediment, and rodents.
- Split Design – Enables retrofit installation without disconnecting pathways or disrupting existing systems.
- Easy Installation – Installs quickly with basic hand tools using stainless steel fasteners for long-term durability.
- Professional Alternative – A clean, re-usable solution replacing expensive and labor-intensive microduct splice kits.
These entry seals set a new industry standard for microduct pathway protection, providing secure, reliable sealing across diverse configurations—ideal for telecom, broadband, and fiber optic infrastructure projects.
Ordering Information
| Product Number | Data Sheet | Shape | Trade Size (in) | Trade Size (mm) | Conduit I.D. (in) | Conduit I.D. (mm) | Port Diameter Range (in) | Port Diameter Range (mm) |
|---|---|---|---|---|---|---|---|---|
| 7140-02-12 | Oval 2-Way | 4.00 | 100 | 3.92–4.25 | 99.60–107.95 | 1.08–1.20 | 27.43–30.48 | |
| 7140-03-12 | Triangle 3-Way | 4.00 | 100 | 3.92–4.25 | 99.60–107.95 | 1.12–1.26 | 24.44–30.00 | |
| 7140-04-18 | Square 4-Way | 4.00 | 100 | 3.92–4.25 | 99.60–107.95 | 1.63–1.87 | 41.40–47.49 | |
| 7140-06-13 | Hexagon 7-Way | 4.00 | 100 | 3.92–4.25 | 99.60–107.95 | 1.05–1.30 | 22.67–33.02 | |
| 7140-06-18 | Hexagon 7-Way | 4.00 | 100 | 3.92–4.25 | 99.60–107.95 | 1.62–1.81 | 41.14–45.97 | |
| 7140-06-22 | Hexagon 7-Way | 4.00 | 100 | 3.92–4.18 | 99.60–106.20 | 2.01–2.28 | 51.05–57.91 |






