Swagelok® Tubing
Choose tubing designed to perform and meet the challenges of virtually any industry or application for the heart of your fluid system.
Get Help Selecting TubingSwagelok supplies or sources, based on specific material properties, the following tubing options to meet a variety of application needs.
Stainless Steel Tubing
Instrumentation-grade seamless stainless-steel tubing is available in fractional, metric, and imperial sizes. It is chemically cleaned and passivated to ASTM G93 Level A and CGA 4.1 standards and thermocouple-cleaned per ASTM A632-S3. Additionally, welded stainless steel tubing in fractional sizes can be used with Swagelok components.
Ultrahigh-Purity (UHP) and High-Purity Stainless Steel Tubing
Made from 316L stainless steel, this tubing undergoes rigorous chemical cleaning and passivation processes, as well as thermocouple cleaning, to achieve ultrahigh purity. Available in sizes ranging from 1/8 to 2 in and 6 to 18 mm, it is ideal for applications requiring exceptional cleanliness and corrosion resistance. Additionally, the tube ends are prepared for orbital welding, facilitating easy and reliable installation.
304 or 304L Welded Tubing
Specifications
| Materials | 304 or 304L and 316 or 316L stainless steel |
| Pressure Ratings | Up to 8160 psig |
| Sizes | 1/8 to 1 in. outside diameter |
| Markings | Size, material, specification, and heat number |
Cone and Thread Tubing—IPT Series
Made from 316 stainless steel for durability and reliability, this tubing is designed for medium to high-pressure applications. It can handle pressures up to 20 000 psig (1378 bar) and high-pressure ratings of up to 60 000 psig (4134 bar).
Medium-Pressure Tubing—FK Series
Manufactured from 316 or 316L stainless steel, this tubing is offered in both 1/8-hard and heavy annealed varieties. Available in lengths of up to 20 ft. and metric lengths up to 6 m, it is designed for compatibility with Swagelok medium-pressure fittings. The cold-drawn 1/8-hard tubing provides increased material strength, enabling a reduced wall thickness and improved flow capacity. Each tube is distinctly marked with the size, material, condition, and heat number for easy identification.
Specifications
Heavy-Wall Annealed
| Material | 316 or 316L stainless steel |
| Pressure Rating | 15 000 psig (1034 bar) |
| Sizes | 1/4 in. OD, 0.095 in. wall 3/8 in. OD, 0134 in. wall 1/2 in. OD, 0.188 in. wall |
Cold-Drawn 1/8-Hard
| Material | 316 or 316L stainless steel |
| Pressure Rating | 15 000 psig (1034 bar) |
| Sizes | 1/4 in. OD, 0.065 in. wall 3/8 in. OD, 0.083 in. wall 1/2 in. OD, 0.109 in. wall |
High-Pressure Tubing—Sno-Trik Series
Pre-coned tube lengths of hardened or annealed tubing are available from 2 to 120 in. (5 to 305 cm) in length. Tube lengths are precisely coned with a high-quality finish.
Specifications
| Material | 316 stainless steel |
| Pressure Ratings | 15 000 psig (1034 bar) |
| Hardened Tubing | 60 000 psig (4134 bar) |
| Annealed Tubing | 30 000 psig (2067 bar) |
| Sizes | 1/4 in. OD, 0.083 in. wall 1/4 in. OD, 0.095 in. wall 3/8 in. OD, 0.125 in. wall 9/16 in. OD, 0.187 in. wall |
Jacketed Tubing and Insulated Tubing
Swagelok® jacketed tubing helps provide increased protection against galvanic and atmospheric corrosion. Swagelok insulated tubing is designed for use in applications such as steam supply, condensate return, and gas and liquid transport lines, where weatherproofing and energy conservation are important. Swagelok insulated tubing offers a cost-effective alternative to field-installed insulation of small-diameter tubing systems.
Jacketed Tubing Specifications
| Materials | 316 or 316L stainless steel or copper with PVC jacket |
| Sizes | 1/4 to 1/2 in.; 6 to 12 mm |
| Pressure Ratings | Fractional Tubing: Up to 5100 psig (351 bar) Metric Tubing: Up to 420 bar (6095 psig) Maximum Process Temperature: 250°F (121°C) |
Insulated Tubing Specifications
| Materials | 316 or 316L stainless steel or copper with fibrous glass insulation and PVC jacket |
| Sizes | 1/4 to 1/2 in.; 6 to 12 mm |
| Pressure Ratings | Fractional Tubing: Up to 4896 psig (337 bar) Metric Tubing: Up to 403 bar (5849 psig) Maximum Process Temperature: 400°F (204°C) |
Jacketed, Pre-Insulated Tubing Bundles—Electric-Traced and Steam-Traced
Swagelok pre-insulated traced tubing bundles provide reliable process temperature maintenance in a variety of analytical and process instrumentation applications, including impulse lines, sample lines, and process lines. The parallel configuration—process and tracer lines are parallel inside the bundle—allows all tubes to bend together in as little as an 8 in. (20.3 cm) radius in tubing sizes up to 3/4 in. or 12 mm, so the bundle is easier to route and connect in the field than cabled bundles.
Specifications
| Materials | 316 or 316L stainless steel, copper, or PFA with PVC or urethane jacket |
| Sizes | 1/8 to 3/4 in.; 6 to 12 mm |
| Pressure Ratings | Fractional Tubing: Up to 10 900 psig (751 bar) Metric Tubing: Up to 420 bar (6095 psig) Maximum Process Temperature: 220°F (104°C) |
Electric-Traced Tubing
Swagelok electric-traced bundled tubing maintains consistent temperatures in long, continuous lengths of impulse and sample lines for freeze protection, temperature maintenance up to 250°F (121°C), or viscosity control.
Steam-Traced Tubing
Swagelok light steam-traced bundled tubing is typically used for freeze protection of instrument impulse lines and analyzer transport lines, maintaining temperatures in smaller diameter process lines from 50 to 200°F (10 to 93°C). Swagelok heavy steam-traced bundled tubing is typically used to maintain higher process temperature from 200 to 400°F (93 to 204°C) or for viscosity control. Applications can include impulse, sampling, and process lines.
Have questions about tubing selection or availability?
Tubing Catalogs
Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.
Find information about tubing selection, handling, and installation as well as suggested allowable working pressure tables with elevated temperature factors for several metal alloys.
Features: Standard instrumentation tubing; 1/8 to 2 in. and 3 to 25 mm outside diameter; Marked to indicate size, material, specifications, and heat number
Seamless tubing made from a controlled-chemistry alloy 2507 material is available in sizes 1/4, 3/8, 1/2, 5/8, 3/4, and 1 in. outside diameter.
Coaxial, chemically cleaned and passivated, and thermocouple-cleaned 316L ultrahigh-purity stainless steel tubing is available in 1/8 to 2 in. and 6 to 18 mm sizes.
6-moly seamless tubing provides pitting and crevice corrostion resistance in aggressive chloride-bearing media with higher strength than traditional austenitic stainless steels. Sizes include 1/4, 3/8, 1/2, 3/4, and 1 in. and 6, 8, 10, 12, 20, and 25 mm outside diameter.
Jacketed and insulated tubing is available in 316/316L stainless steel (seamless and welded) and copper to protect against corrosion and wear or reduce heat loss.
Electric-traced and light and heavy steam-traced bundled tubing provide reliable process temperatures in 316/316L stainless steel (seamless and welded), copper, and PFA.
Features: 3 to 25 mm outside diameter seamless tubing; 316L stainless steel titanium alloyed; EN 10216-5
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