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Reducers
Step cleanly between duct sizes.
Reducers give a secure, leak-proof transition between different duct and conduit sizes while maintaining the airflow needed for cable blowing.
At a glance
| Specification | Value |
|---|---|
| Type | In-line size transition |
| Seal | Leak-proof, airflow maintained |
| Sizes | Multiple step ratios |
| Install | Buried / in-duct |
- UK WarehousedSame-week dispatch
- In-house engineersTechnical specs & support
- End-to-end BOM fulfilmentKitted, staged, delivered
- 120+ network buildersTrust Altnets to deliver
Key features
Built for how it gets installed.
Reducers is one of the 16 cable types we carry across our Ducting range — chosen for the way you actually deploy.
Leak-proof size transition
Maintains blowing airflow
Pressure and temperature resistant
Quick, compact installation
Why Altnets
The clever choice for network builders.
Deep UK stock
300,000+ sqft of warehousing and 4,000+ pallet positions — same-week dispatch on most line items.
Engineers, not order-takers
In-house technical team to validate specs, propose alternatives and de-risk your build before it ships.
BOM, kitted & staged
Multi-vendor consolidation, phased deliveries and project staging built into every order.
UK & worldwide reach
Air, sea and road freight with full export documentation and flexible incoterms for global rollouts.
Applications
Where reducers earns its keep.
Mixed-diameter routes
Building entries
Tie-ins to legacy duct
Sub-duct take-offs
Have a question?
Let's get your network moving.
Tell us what you're building. We'll come back with a quote, lead times, and a plan.
- [email protected]
- +44 (0) 20 3997 8994
- Brighton · United Kingdom
More Ducting
Other cable types
Microduct
Single-way blown fibre pathway.
Bundled Microduct
Multiple microduct ways in one bundle.
Connectors
Leak-proof joints between microducts.
End Caps
Seal duct ends until needed.
Divisible Gas Seals
Gas-tight seal over live cables.
Flexiwrap
Wrap-around protection for tube bundles.
uPVC Duct
Tried and tested carrier duct.
uPVC Bends
Change direction without a joint.
uPVC Coupler
Join two duct lengths.
uPVC Swept Tees
Take a branch off the main route.
uPVC Split Swept Tees
Branch off without breaking the cable.
uPVC Reducer
Step between duct sizes.
uPVC Y Junction
Split the route two ways.
Duct Repair Kit
Repair the duct, keep the cable.
Connector Sleeve
Protect and locate the joint.