Features:

• Material: PE80/PE100 from Solvay, world plastic material leader in the production.
• Sizes: Dn40 to 400mm  
• Standard:  EN1555-3, EN12201-3. GB15558.2,GB13663.2
• Certification: ISO8085-3:2001,ISO4427-3:2007 and CE certification
• Applications: water supply, industrial liquids transportation and sewage treatment

Advantages:     

• Non-toxic: no heavy metal additives, would not be covered with dirt or contaminated by bacterium
• Corrosion Resistant: resist chemical matters or electron chemical corrosion
• Lower Installation Costs: light weight and ease of installation can reduce installation costs by as much as 50% over metal piping system
• Higher Flow Capacity: smooth interior walls result in lower pressure loss and higher volume than metal fittings
• Longevity: more than 50 years under proper use
• Recycled and Environment-friendly

Pls see size as blew.