Grey PPR pipe from Dishui is built for long-term reliability in water transport. Smooth internal surface ensures low pressure loss, while strong material resists temperature and chemical impact.
Dishui PPR pipes in the Grey Series are engineered for cost-efficient plumbing applications, offering dependable performance for water supply systems where budget and scale are key priorities. Manufactured with non-toxic PPR Type 3, these pipes are safe, durable, and compatible with standard fusion welding systems. The neutral grey color provides a clean and professional appearance, making them suitable for concealed installations or value-oriented visible systems.
Key Features
Made from PPR Type 3 virgin material – food-grade and corrosion-resistant
Suitable for hot and cold water: up to 95°C temperature resistance
Working pressure: up to 2.5 MPa
Inner wall smoothness ensures efficient flow and reduces friction
High welding compatibility with secure, leak-free joints
Grey color helps with visual system consistency across projects
Designed for long-term usage in standard plumbing conditions (50+ years lifespan)
Available Sizes & Standards
Outer Diameter: 20mm – 110mm
Conforms to standards: GB/T 18742
Available in PN ratings: PN10 / PN16 / PN20 / PN25
Standard length: 4 meters per piece
Compatible with full range of Huangpin fittings
Applications
General residential water supply systems
School, hotel, and public building plumbing
Budget-focused infrastructure projects
Farmhouses, rural development, and local authority housing
Ideal for large-quantity procurement with limited cost margins
Certifications
ISO 9001 – Certified production and quality control
CE Certification – For European export
GB/T 18742 – Chinese national PPR pipe standard
Safe for drinking water and compliant with basic health standards
Packaging & Logistics
Pipes packed in protective PE wrap or branded sleeves
Color-coded and barcode labeled for easy sorting
OEM packaging and custom logo printing available
Large orders supported with fast turn around from Gongchi’s 70,000 m² factory
Export & Market Position
Dishui is positioned as an entry-level export brand within the Gongchi product family — balancing functionality and affordability for large-scale markets. The Grey Series is widely used in Asia, Middle East, Africa, and Latin America, making it a smart choice for wholesalers and project contractors looking for standardized piping with accessible pricing.
