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These Cylinders collect gas or liquid samples at full pipeline pressures, then store and maintain samples at pipeline conditions, regardless of pressure and temperature. For liquids, the cylinders can be equipped with vortex or gravity mixing systems so that there is no loss due to stratification. The cylinders have reliefvalves, gauges and magnetic or rod-type indicators, plus optional purge valves on the product inlet. All 2-inch diameter cylinders are DOT and DNV approved. A variety of alloys are available and Welker can provide fiberglass carrying cases.

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