
Swagelok® Sample Cylinders
Swagelok offers a wide selection of metal sample cylinders that are compliant with various transportation industry standards related to chemical transfer. These durable, pressure-rated metal cylinders also prevent samples from escaping during grab sample system operation and are easy to clean.
View Sample CylindersWith Swagelok® metal sample cylinders, be confident in your ability to maintain the integrity of your product and protect the people handling your containers when transporting chemicals. We offer a wide selection of cylinders that are compliant with US Department of Transportation (DOT), Transport Canada, and Transportable Pressure Equipment Directive (TPED) standards for transportation of chemicals.
These cylinders feature consistent wall thickness, smooth internal neck transitions for easy cleaning, and heavy-wall connections that resist flaring. Swagelok cylinders are also compatible with Swagelok® grab sampling modules, safely containing continuously circulating process fluids for later analysis.
We offer:
- Single-ended cylinders, double-ended cylinders, and miniature sample cylinders
- Cylinders in sizes from 10 to 3785 cm3 (1 gal)
- Cylinders constructed with 304L, 316, 316L, and Alloy 400 materials
- Products handling working pressures up to 5000 psig (344 bar)
- A variety of options including integral valves, outage tubes, and specialty coatings
A sample cylinder maintenance program is essential to keeping your employees save from damaged or worn cylinders. Take a look at the most common questions we get about sample cylinder maintenance. A leading integration and application expert within the Swagelok organization, Matt Dixon, explains vapor space compression, and how to sample safely.
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Sample Cylinder Categories

Double-Ended Cylinders
Explore double-ended sample cylinders available in a range of sizes in 304L and 316L stainless steel.

Single-Ended Cylinders
Single-ended sample cylinders are durable and pressure-rated metal cylinders that prevent samples from escaping during grab sample system operation.

Spare Parts and Accessories
Browse carrying handles, rupture disk tees, and outage tube adapter options that support sample cylinder activities.
Sample Cylinders Catalogs
Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.
Products: Double-ended sample cylinders in 304L and 316L stainless steel; Cylinder valves; Rupture disc units and rupture disc tees; Sample cylinder accessories
Features: Sizes from 10 to 3785 cm3 (1 gal); Working pressures up to 5000 psig (344 bar); 304L and 316L stainless steel and alloy 400

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Learn to design effective sampling systems and diagnose and eliminate issues with existing systems, increasing accuracy and efficiency, and reducing costs. Gain valuable knowledge from seasoned instructors, each with over 30 years’ experience, no matter your industry or level of experience.
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