Sichuan Forever Heat shrinkable sleeved
7 month ago
What is AWWA C216?
- The AWWA C216 standard is a set of guidelines and specifications developed by the American Water Works Association for corrosion protection and sealing of steel pipes used in water distribution systems.
- The standard specifically covers heat shrinkable sleeves that are used to protect pipe joints and fittings from corrosion, moisture ingress, and environmental damage.
- AWWA C216 specifies the performance requirements for these sleeves, including durability, resistance to environmental factors, and proper installation.
2LPE Material:
- 2LPE stands for a two-layer polyethylene material, often used for its excellent properties in corrosion protection. The sleeve consists of:
- Inner layer: Typically made of an adhesive (such as mastic) that activates when heated to bond securely with the pipe surface.
- Outer layer: Made of polyethylene (PE), which provides a tough, durable, and UV-resistant protective covering for the pipeline.This PE is modified radiation crossing linking polyethylene backing
- This dual-layer construction provides both physical protection (outer layer) and sealing capabilities (inner adhesive layer).
Key Features of AWWA C216 Heat Shrink Sleeves:
- Corrosion Resistance: The sleeve provides a barrier against water, salts, chemicals, and other contaminants that can cause rust and corrosion on steel pipes.
- Waterproof Sealing: The mastic adhesive forms a strong seal between the sleeve and the pipe, preventing moisture from penetrating the joint or fitting.
- Mechanical Protection: Once shrunk, the sleeve adheres tightly to the pipe, providing mechanical protection from physical damage, impacts, and abrasion.
- UV and Environmental Resistance: Polyethylene (PE) is UV-resistant, which is crucial for outdoor applications where exposure to sunlight may occur.
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Installation:
- To install a 2PE heat shrink sleeve, it is placed around the pipe joint or fitting, and then heat is applied (usually with a heat gun or oven). The sleeve will shrink tightly around the pipe, and the adhesive will activate, creating a secure, waterproof seal.
- Installation is relatively straightforward, though it requires careful application of heat to ensure proper shrinkage and adhesion.
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Applications:
- These sleeves are used primarily in waterworks applications for the protection of steel pipe joints in water distribution systems.
- Commonly used on buried pipelines, water tank connections, and subaqueous installations, where the pipeline is subject to external environmental pressures and risks of corrosion.
- Often applied to flanges, pipe splices, and fittings to ensure long-term performance and prevent degradation.
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Heat Shrink Sleeves,
Heat Shrink Tape,
Heat Shrink Wrap Around Sleeves,
Heat Shrinkable Sleeves ,
Cold Applied Tape,
Pipe Repair Materials
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