HDPE Krah Pipe(Spiral Wound Structural Wall Type B)

HDPE Krah Pipe (Spiral Wound Structural Wall Type B) is manufactured from premium PE100 resin with hot-wound technology, offering excellent SN8 ring stiffness and external pressure resistance. Featuring a smooth inner wall and reinforced wound outer structure, it is designed for buried municipal drainage, sewer, and stormwater systems. Equipped with both gasket (rubber ring) and electrofusion jointing, it ensures leak-free performance and superior settlement resistance. Available in DN200–DN1500, it is corrosion-resistant and long-lasting, making it an ideal replacement for concrete or ductile iron pipes.

Message

Product Details

1. Product Overview

HDPE Krah Pipe (PE Spiral Wound Structural Wall Type B) is engineered for buried municipal drainage and sewer systems. Manufactured from premium PE100 resin with hot-wound technology, it delivers superior SN8 ring stiffness and external pressure resistance. The pipe features a smooth inner wall for optimal flow and a reinforced wound outer structure. It supports both gasket (rubber ring) and electrofusion joints, ensuring rapid installation, leak-free performance, and excellent settlement resistance.

2. Core Specifications

Material: PE100 (Virgin HDPE)

Product Type: PE Drainage Pipe / Krah Pipe (Type B)

Ring Stiffness: SN8 (Standard), customizable

Connection: Electrofusion / Gasket (Rubber Ring)

Application: Municipal Drainage, Sewer, Stormwater

Working Fluid: General drainage/sewer

Heat Resistance: 30°C (Standard operating)

3. Dimension & Weight Details (DN200 – DN1500)

Note: Outer diameter (OD) is subject to custom confirmation. Length per bar is 600cm (6m).

Nominal Size	Inner Diameter (ID)	Wall Thickness	Length	Volume (cm³)	Weight (g/bar)
DN200×SN8	200 mm	5 – 10 mm	600 cm	240,000	30,000
DN300×SN8	300 mm	5 – 10 mm	600 cm	540,000	39,000
DN400×SN8	400 mm	5 – 10 mm	600 cm	960,000	51,000
DN500×SN8	500 mm	5 – 10 mm	600 cm	1,500,000	63,000
DN600×SN8	600 mm	5 – 10 mm	600 cm	2,160,000	78,000
DN800×SN8	800 mm	5 – 10 mm	600 cm	3,840,000	95,000
DN900×SN8	900 mm	5 – 10 mm	600 cm	4,860,000	102,000
DN1000×SN8	1000 mm	5 – 10 mm	600 cm	6,000,000	120,000
DN1200×SN8	1200 mm	5 – 10 mm	600 cm	8,640,000	138,000
DN1400×SN8	1400 mm	5 – 10 mm	600 cm	11,760,000	158,000
DN1500×SN8	1500 mm	5 – 10 mm	600 cm	13,500,000	170,000

4. Key Features & Advantages

High Structural Integrity: SN8 ring stiffness ensures strong resistance to soil loads and external pressure, ideal for deep burial.

Dual Jointing System: Combines rubber gasket (fast, flexible) and electrofusion (monolithic, leak-proof) for adaptable, secure installations.

Superior Hydraulics: Smooth inner bore reduces friction loss, prevents scaling, and maintains high flow capacity for sewage and stormwater.

Corrosion & Chemical Resistant: PE100 material withstands aggressive soils and wastewater, offering a service life of 50+ years without rust.

Lightweight & Cost-Effective: Significantly lighter than concrete or ductile iron pipes, reducing transport and heavy-lifting costs.