HDPE Spiral Wound Pipe – Type B (Krah)

Large-diameter HDPE structured-wall pipe produced by spiral winding for drainage and infrastructure projects. The catalogue lists DN200–DN3000, with electrofusion jointing and ring-stiffness options to be confirmed for the selected pipe.

DN200–DN3000Type B / KrahElectrofusion

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Product information

Specifications at a glance

These are family-level references from our existing catalogue. Confirm the selected configuration, ratings and availability with your quotation.

HDPE Spiral Wound Pipe – Type B (Krah) catalogue specifications
Material	HDPE
Catalogue diameter range	DN200–DN3000
Catalogue ring-stiffness reference	Up to SN20 (20 kN/m²); confirm by selected pipe
Joining	Electrofusion
Production	Spiral winding

Where it is used

Typical applications

Municipal drainage
Infrastructure projects
Hydraulic engineering
Environmental engineering

Project suitability depends on the selected product and installation requirements.

Plan your enquiry

Before you specify

Provide the design diameter, ring stiffness and installation conditions.
Confirm the dimensional convention and selected wall profile against drawings.
Request the jointing procedure and test evidence for the specified product.

Supporting evidence

Documents to request

Structured-wall profile and dimensions
Ring-stiffness test evidence
Electrofusion jointing procedure

Ask about product documentation ↗

Buyer questions

Questions about HDPE Spiral Wound Pipe – Type B (Krah)

What diameter range is listed for Krah-type pipe?

The existing catalogue lists DN200–DN3000. Confirm the required dimensions against the selected manufacturer's drawing and include diameter and quantity in your enquiry.

Is SN20 the rating of every pipe in this range?

No. The catalogue states up to SN20 (20 kN/m²) across the family. Request the actual ring-stiffness class and supporting test documentation for the diameter and wall profile being quoted.