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Swagelok® Dielectric Fittings

Dielectric fittings and adapters protect the accuracy of monitoring instruments by isolating the instruments from the effects of electrical currents while permitting full fluid flow.

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Dielectric Fittings Catalogs

Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.

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The Swagelok® Tube Fitting Advantage

Swagelok tube fittings are designed to meet your highest expectations for safety and dependability, featuring proven design, precise manufacturing, and superior raw materials.

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Swagelok Resources Curated for You

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An Introduction to Fittings: Identifying Thread Size and Pitch

Even the most seasoned professionals can experience difficulty identifying threads. Swagelok product manager Andy Hitchcock explains how to identify thread size and pitch on your fittings using a caliper, pitch gauge and thread identification guide.

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Optimizing Medium-Pressure Oil and Gas Applications with Compression Fittings

For medium-pressure applications in oil and gas topside assets, learn how compression fittings can offer installation speed and performance benefits over traditional cone and thread connections.

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How Shenyang Blower Works Group Improved Safety and Reliability

Learn how Swagelok Shanghai has helped Shenyang Blower Works Group Corporation achieve consistency, reliability, and cost savings for its customers while improving its own safety and production efficiency.

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Swagelok Tube Fitting Installation

This video demonstrates the integral steps for installing Swagelok tube fittings, which have earned a global reputation for consistency, quality, and reliability.

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Dielectric Fittings and Adapters

Installed on impulse lines ahead of monitoring stations in natural gas pipelines, dielectric fittings interrupt cathodic current while permitting full flow. Molded thermoplastic insulation with excellent electrical, chemical, and ultraviolet resistance and low water absorption maintains dielectric strength and integrity over a wide range of operating and climatic conditions.

Gaugeable Swagelok tube fitting or tapered pipe thread end connections (NPT/BSP) provide direct connection to tubing or piping systems.