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PVC Drainage & Sewage Pipe

DN 50–400mm, SN4/SN8, white/gray color. Non-pressure UPVC drainage and sewage pipe for underground gravity systems. Conforms to BS EN 1401 and GB/T 5836.1.

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Product Overview

DN 50–400mm, SN4/SN8, white/gray color. Non-pressure UPVC drainage and sewage pipe for underground gravity systems. Conforms to BS EN 1401 and GB/T 5836.1.

Quick Information

  • Diameter Range: DN 50 – 400 mm
  • Ring Stiffness: SN4, SN8
  • Material: Virgin UPVC
  • Color Options: White, Gray
  • Applicable Standards: BS EN 1401, GB/T 5836.1
  • Joint Type: Solvent Cement Socket (Gasket on request)
  • Length: 4 m / 6 m
  • Stock Availability: In stock

Specification Table

DN (mm) OD (mm) Wall Thickness SN4 (mm) Wall Thickness SN8 (mm)
50 50 2.0 3.0
75 75 2.3 3.0
110 110 3.2 3.2
160 160 4.0 4.7
200 200 4.9 5.9
250 250 6.2 7.3
315 315 7.7 9.2
400 400 9.8 11.7

Key Features

  • High Ring Stiffness: SN4/SN8 crush resistance safely supports backfill loads in underground installations.
  • Smooth Inner Wall: Extremely low friction and self-cleaning bore prevents blockages and maintains full flow capacity.
  • Corrosion & Chemical Resistant: Immune to sewage gases, acids, alkalis, and aggressive groundwater.
  • Lightweight & Easy to Install: Much lighter than concrete or clay pipe, reducing handling and labor costs.
  • Leak-Proof Joints: Solvent cement sockets create permanent watertight connections (rubber gasket sockets available).

Production

Produced on high-speed single-screw extrusion lines with vacuum calibration for precise wall thickness. Pipe stiffness is verified by ring stiffness testing per EN ISO 9969 before packing.

Applications

  • Underground gravity sewer and stormwater drainage networks
  • Building sanitary drainage and vent systems
  • Road, highway, and bridge drainage
  • Industrial effluent and wastewater collection
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