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Double Union Saddle Tee

Updated: 2026-07-15

Overview

The Double Union Saddle Tee is a critical fitting in pipeline systems, designed to create branch connections without the need for cutting or welding the main pipe. This fitting is widely used in industries such as water supply, chemical processing, and HVAC due to its reliability and ease of installation. Its design typically includes a saddle-like structure that clamps onto the main pipe, with a threaded or welded outlet for the branch connection. This minimizes downtime during installation and reduces the risk of leaks or pipe damage.

Structure and Working Principle

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The Double Union Saddle Tee consists of two halves that clamp around the main pipe, secured with bolts or screws. A threaded or welded outlet protrudes from the saddle, allowing a branch pipe to be connected. The fitting creates a seal using gaskets or O-rings, ensuring leak-proof performance. This design allows for quick installation and removal, making it ideal for maintenance or system modifications. The saddle tee can handle various pressures and temperatures, depending on the material used, such as stainless steel for high-pressure applications or PVC for corrosive environments.

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Key Features

The Double Union Saddle Tee is valued for its corrosion resistance, especially in stainless steel or PVC variants. Its modular design enables easy installation and adaptability to different pipe sizes and materials. Another notable feature is its ability to maintain the integrity of the main pipeline, as it does not require cutting or welding. This reduces installation time and costs, making it a preferred choice for B2B procurement in industrial settings.

Application Areas

This fitting is commonly used in water distribution systems, chemical processing plants, and HVAC installations. It is particularly useful in scenarios where adding a branch connection without shutting down the main pipeline is critical. In the oil and gas industry, saddle tees are employed for tapping into existing pipelines for sampling or secondary lines. Their versatility also extends to agricultural irrigation systems and fire suppression networks.

Maintenance and Precautions

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Regular inspection of the saddle tee is recommended to ensure the gaskets or seals remain intact. Corrosion or wear should be addressed promptly to prevent leaks. When selecting a saddle tee, verify its compatibility with the pipe material and the fluid being transported. Avoid over-tightening the bolts during installation, as this can damage the fitting or the pipe.

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B2B Procurement Guide

When procuring Double Union Saddle Tees, consider the pipe diameter, material compatibility, and pressure ratings. Bulk purchases often attract discounts, making it cost-effective for large-scale projects. Suppliers may offer customization options for specific applications, such as high-temperature or chemical-resistant variants. Always request certifications or test reports to ensure quality and compliance with industry standards.

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