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Product Description 

Our state-of-the-art PVC pressure systems are the backbone of a multitude of applications including drinking water, recycled water, sewage management, and gas distribution. These systems guarantee secure, reliable, and efficient transportation, meeting the highest standards of safety and performance.
At DHPI, we are committed to producing a comprehensive range of top-tier PVC pressure pipes and fittings. Utilizing premier raw materials and cutting-edge industry practices, we deliver products that epitomize quality and excellence, setting a new benchmark in the industry.

PVC-UH, an advanced iteration of PVC-U, is available in an array of colors to suit specific applications such as water mains, potable water supply, recycled water, irrigation, and high-pressure sewerage systems. These pipes come in standard 6-meter lengths and feature spigot and socket ends for rubber ring jointing (RRJ), ensuring a flawless and secure fit.

Introducing our revolutionary pressure sewage drainage pipe, designed with a pioneering built-in integrated forming steel skeleton sealing connection structure. This innovation facilitates swift and effortless installation, guaranteeing superior installation quality and leak-proof connections. Our product addresses joint leakage issues effectively, ensuring zero leakage and unparalleled strength in pipe network operations.

The high-performance PVC-UH water supply pipe is engineered with an integrally formed steel skeleton sealing connection structure, ensuring outstanding connection reliability and tightness. This design significantly enhances the pipe's mechanical properties, making it highly robust, pressure-resistant, and remarkably stiff - ideal for outdoor buried installations and pipe gallery setups.

Exceptional Environmental Adaptability: With enhanced toughness, our pipelines are adept at withstanding point loads and accommodating uneven foundation settlements. This resilience makes them perfect for non-standard constructions and challenging working environments.
Outstanding Chemical Corrosion Resistance: Our pipes are built to resist corrosion from a wide array of media, ensuring the integrity of the pipeline despite the presence of soil substances. Designed for longevity, these pipes offer reliable service for over 50 years.
Superior Hydraulic Performance: Our pipes are designed to absorb the impact energy from water pressure fluctuations, enhancing resistance to water hammer. This feature reduces operational risks, improves water supply efficiency, and lowers overall operating costs.

Product Specification

Nomina diameter dn/mm                           Nominal Pressure PN/Mpa                            0.5 0.63 0.8 1.0 1.25 1.6 2.0 2.5 Nominal wall thickness en/mm 110 - 2.7 3.4 4.2 5.3 6.6 8.1 10.0 125 - 3.1 3.9 4.8 6.0 7.4 9.2 11.4 140 - 3.5 4.3 5.4 6.7 8.3 10.3 12.7 160 - 4.0 4.9 6.2 7.7 9.5 11.8 14.6 180 - 4.4 5.5 6.9 8.6 10.7 13.3 16.4 200 - 4.9 6.2 7.7 9.6 11.9 14.7 18.2 225 - 5.5 6.9 8.6 10.8 13.4 16.6 20.5 250 - 6.2 7.7 9.6 11.9 14.8 18.4 22.7 280 - 6.9 8.6 10.7 13.4 16.6 20.6 25.4 315 - 7.7 9.7 12.1 15.0 18.7 23.2 28.6 355 - 8.7 10.9 13.6 16.9 21.1 26.1 32.2 400 - 9.8 12.3 15.3 19.1 23.7 29.4 36.3 450 - 11.0 13.8 17.2 21.5 26.7 33.1 40.9 500 - 12.3 15.3 19.1 23.9 29.7 36.8 45.4 560 - 13.7 17.2 21.4 26.7 33.2 41.2 - 630 - 15.4 19.3 24.1 30.0 37.4 46.3 - 710 - 17.4 21.8 27.2 33.9 42.1 52.2 - 800 15.7 19.6 24.5 30.6 38.1 47.4 - - 900 17.6 22.0 27.6 34.4 42.9 53.3 - - 1000 19.6 24.5 30.6 38.2 47.7 - - - 1200 23.5 29.4 36.7 45.9 - - - - 1400 27.4 34.3 42.9 53.5 - - - - 1600 31.3 39.2 49.0 - - - - -

Connection Method 

Solvent Socket Bonding Type

Solvent Socket Bonding Type: DN20-DN50 Caliber

Elastic Socket Sealing Ring

For calibers ranging from DN63 to DN225, you have the option to choose between the reliable solvent socket bonding or the durable elastic socket sealing ring.
For calibers DN225 and above, we exclusively use elastic socket sealing rings; our robust steel skeleton rubber ring range covers an impressive 110-1200mm.

Appliation Cases