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Home Products Seven-Hole Plum Blossom Pipe National Standard, PE Seven-Hole Plum Blossom Pipe | Independent Holes & Easy Maintenance | Haierde

National Standard, PE Seven-Hole Plum Blossom Pipe | Independent Holes & Easy Maintenance | Haierde

Seven-hole plum blossom pipe (honeycomb pipe) is a cable protection pipe specially designed for underground communication networks. Extruded from HDPE with a mold, its cross-section features 5-7 uniform circular holes arranged in plum blossom shape. With excellent performance, it is the preferred pipe for airports, expressways, light rails, municipal pipe networks and China Mobile/China Unicom.

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Advantages of Haierde Seven-Hole Plum Blossom Pipe

Stable structure for co-construction of multiple operators in one trench: Integrated multi-hole design bears uniform load, meets the demand of multiple communication operators at one time and avoids repeated road excavation and pavement repair
Good compression & weather resistance with reserved maintenance holes: Adapts to -40℃~80℃. Separate holes prevent cable extrusion and winding; standby holes can quickly restore communication during main cable faults, solving difficult cable maintenance problems.

Why Choose Haierde Seven-Hole Plum Blossom Pipe?

Strict inspection standards: Complies with national standards and test data is provided.
Full-size service with optional specifications based on demand.

Item	Technical Index	Remarks
Executive Standard	YD/T 841.5-2016	Complies with national standard
Single Hole Inner Diameter	Φ32mm (common) / Φ28mm	Select based on project demand
Nominal Outer Diameter	DN110-DN200	Select based on working conditions
Wall Thickness Range	1.8~2.0mm	Select based on working conditions
Connection Method	Hot melt butt joint / Rubber ring joint / Socket joint	Ensure tightness
Standard Length	6 m per piece	-

Frequently Asked Questions

Q1: Key notes for seven-hole plum blossom pipe?

A: Prone to deformation under heavy vehicle rolling with shallow backfill; aging under long-term outdoor sun exposure.

Q2: The most reliable connection method for plum blossom pipe?

A: Hot melt butt joint is the first choice for permanent connection of main engineering pipelines; rubber ring sealed socket straight joint is conventionally used for community branch pipelines.