Ef Tapping Saddle

Electrofusion Tapping Saddle - Live Branch Connections on DN63-DN315 Mains

The electrofusion tapping saddle creates a branch on an existing HDPE main without shutting the line down. Electrofusion welding forms a molecular-level connection between the saddle and the pipe wall, which eliminates interface leakage, and pressure-bearing hole-opening technology lets the tap be drilled while the main continues to operate.

Specifications

• Applicable main pipe size: DN63 - DN315
• Branch pipe size: DN20 - DN110, with special sizes such as DN200 x DN63 available
• Customisation: integral valve versions, dual branches, extended saddle arc and other special models
• Material: PE100
• Standards: GB 13663.3-2018 (equivalent to ISO 4427-3:2019 and EN 12201-3:2011), GB 15558.3-2023 (equivalent to ISO 4437-3:2014 and EN 1555-3:2021)
• Certification: ISO 9001, ISO 14001, ISO 45001 management systems; CE, KS and WRAS product qualifications

Key Features

• Zero-leakage seal - molecular-level fusion completely eliminates interface leakage.
• Continuous operation - pressure-bearing hole opening avoids large-scale water or gas shutdowns.
• Long lifespan - PE100 material resists ageing and cracking, giving a service life consistent with the pipeline itself.
• Strong adaptability - compatible with a wide range of HDPE pipes for water supply, gas and industrial service.

Applications

Adding service connections to water and gas distribution mains, retrofitting networks, and repairing localised damage - all without interrupting supply.

FAQ

Q: What is an electrofusion saddle and what does it do?
A: It creates a branch connection to a main pipe, or repairs a leak on an existing pipe. Its job is to join a smaller branch pipe to a larger main, or to seal localised damage, by fusing the fitting to the pipe wall to form a secure, leak-proof and durable bond.

Q: What types are available?
A: Saddles are categorised by purpose: branch, repair and tapping saddles, with custom configurations available for specific projects.

Q: What are the installation steps?
A: Clean the pipe and scrape the outer layer in the fusion area, wipe the pipe and fitting with an alcohol-based cleaner and let both dry. Fit the saddle and secure it with the correct clamp so the fusion zone is clean and aligned, connect the welding machine to the terminals and run the cycle, then leave it to cool undisturbed.

Quality Assurance

Qingfa is equipped with a CNAS-accredited testing centre, implements 6S management and employs a professional QC team.

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