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Is HDPE wound B pipe a carat pipe?

2025-03-31

Is HDPE wound B-shaped pipe a carat pipe? Yes, HDPE wound structural wall B-shaped pipe is commonly referred to as carat pipe. According to the national standard "Buried Polyethylene (PE) Structural Wall Pipe System, Part 2: Winding Structural Wall Pipe" (GB/T 19472.2-2019), HDPE wound pipe is divided into two types:

A-shaped pipe: Hollow wall wound pipe, using HDPE as raw material, through the winding process to form a hollow structure. B-shaped pipe: Carat pipe (Clamp Pipe), using HDPE strip spiral winding and welding, the pipe wall is a helical structure, and the ring stiffness can reach SN8 to SN25. I. Core Features of Carat Pipe Structural Advantages: The spiral winding process makes the pipe ring stiffness significantly improved, which is suitable for heavy-duty buried environment. Strong Sealing: The electric hot melt belt welding technology ensures that there is no leakage of the interface and avoids groundwater pollution. Convenient Construction: Light weight, long length (single root can reach 12 meters), reducing the number of joints and reducing construction costs. II. Application Scenario Municipal Drainage: Urban Rainwater, Sewage Pipe Network System. Industrial Wastewater: Corrosive liquid transportation in the chemical industry, electric power and other industries. Trenchless Repair: As a repair pipe in the lining repair technology. III. How to distinguish between A-shaped pipe and B-shaped pipe? Type Structural Characteristics Ring Stiffness Range Common Uses A-shaped Pipe Hollow Wall Winding SN4-SN8 Light Load Drainage, Farmland Irrigation B-shaped Pipe Spiral Winding Welding (Carat Pipe) SN8-SN25 Municipal Main Road, Industrial High Pressure Conveying IV. Purchase Suggestions Look for Criteria: Select carat pipe products that comply with GB/T 19472.2-2019. Ring Stiffness Matching: Select SN8, SN12.5 or higher grades according to the buried depth and load. Brand Guarantee: Recommend AD HDPE Winding B-shaped Pipe from Hubei AD Building Materials Co., Ltd., using high-quality raw materials and advanced technology, to provide one-stop service from selection to installation.

Is HDPE wound B pipe a carat pipe?the1page

If you need to know more carat pipe technical parameters or get a quote, please contact: 173-9998-9993.

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