PVC seven-hole honeycomb tube (honeycomb pipe)
what's this
In simple terms, it is like a "shared dormitory". A single tube contains seven separate channels (usually seven, but there are also five-channel and nine-channel specifications). This structure enables a single tube to accommodate multiple cables at the same time, such as telephone lines, network cables, optical fibers or wires, and isolates and protects them from each other.
Its main material is rigid polyvinyl chloride (PVC-U), and some additives such as impact resistance, anti-aging and flame retardant agents will be added to enhance its performance.
Primary advantage
1.Super strong resistance to pressure, safeguarding safety
2.Construction is convenient, saving time and effort.
3.Stable performance and long-lasting durability
4.Save space and be economically efficient.
Common specifications and key performance parameters
The most common specification on the market is seven holes. The overall outer diameter of the pipe material is usually 110mm, and the inner diameter of each sub-hole is approximately 32mm. The standard length is generally 6 meters.
Tensile yield strength ≥ 30 Mpa. Resistance to external load performance ≥ 1.0 KN/200mm. Coefficient of static friction ≤ 0.35
Super strong resistance to pressure, ensuring safety: The unique honeycomb-shaped mechanical structure gives it a pressure resistance capacity 10 to 100 times that of ordinary plastic pipes. It can be directly buried under the road without the need for additional concrete encapsulation, effectively protecting the internal cables.
Construction is convenient and time-saving: The sheath and the sub-pipe are formed as a single unit. Unlike the traditional method where a large pipe is first buried and then a small pipe is threaded through, this process can be completed in one step. The pipes are lightweight, and the connection is made using a simple socket-joint method, which can significantly shorten the construction period.
Stable performance, long-lasting durability: It features corrosion resistance, flame retardancy (extinguishes upon removal of the flame), and good insulation. Under normal underground conditions, its service life can exceed 50 years.
Save space and be cost-effective: The multi-hole design of this pipe significantly reduces the underground pipe position resources and minimizes the excavation volume. The inner wall is smooth (with a friction coefficient of ≤ 0.35), making cable threading effortless and labor-saving.
Addressing the Details That Matter
Flexible and variable sizes
For the CPVC 7-hole conduit, the size of the pipe holes can vary within the range of 20mm to 32mm. This allows for both cost-effective solutions and the ability to accommodate more and thicker wire conduits.
Simple and quick installation
The sheath and the inner tube are formed as a single unit. Unlike the traditional method where a large pipe is first buried and then a small pipe is inserted, this process can be completed in one step. The pipe is lightweight, and the connection is achieved through a simple socket-and-plug method, which can significantly shorten the construction period.
Key Specifications
|
Parameter |
Details |
|
Overall Diameter |
75-110mm |
|
Hole Diameter |
20mm - 32mm |
|
Length |
6 or 3 meter |
|
Material |
UPVC or CPVC |
Where It Shines Brightest
PVC seven-hole pipes are mainly used as underground communication pipes and power cable sheathing pipes. You can see them in the following places:
- Municipal roads: Used for laying urban optical cables and communication main lines.
- Residential community: Achieve the connection of broadband, telephone, cable TV and other networks within the community.
- Highways and railways: As the protective channels for communication and signal cables along the routes
Why It Beats the Messy Alternatives
- strong corrosion resistance and chemical stability.
- They are unaffected by moisture, soil chemicals, and most acids and alkalis.
- The smooth inner walls of each duct minimize cable friction during installation.
- protecting cable insulation and facilitating easier pulling.
Usage & Maintenance: Keep It Tidy
Installation Tips
- Groove treatment: The bottom of the groove must be flat and sharp objects must be removed. If the bottom is uneven, it is recommended to lay a layer of fine sand first.
Pipe connection: During the connection process, ensure that the positioning ribs of the pipe material are facing upwards. Clean the interface thoroughly and use dedicated pipe fittings for socket connection to ensure a secure connection.
Keeping It in Order
- Their dimensional stability and long service life-often exceeding 50 years under proper conditions-make them a cost-effective solution for infrastructure development.
We're With You, From Plan to Pipe
Before You Buy
Need a hole layout diagram? We've got it. Unsure of size? 110mm works great for 7x20mm fiber cables-we'll help you pick.
After You Buy
- 20-year warranty on the material-PVC's toughness is a promise, not a sales pitch.
- Stuck designing cable routes? Our techs help map it out, so every hole gets used right.
FAQs
Q: Power and fiber in the same duct?
A: Absolutely. Separate holes mean zero interference-just keep power holes far from fiber.
Q: Max burial depth?
A: Up to 2m with good backfill-plenty deep for most city utility corridors.
The 7-Hole PVC Cable Duct isn't just a bunch of holes in a pipe-it's a system. It brings order to underground chaos, saves money on installation, and makes repairs a breeze. When cables need to coexist without conflict, this is the duct that keeps the peace.
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