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Sentry Constant Pressure Cylinder (CPC)

Part #
Configure Your CPC

Sentry constant pressure cylinders (CPC) are designed for the receipt, storage, and transportation of liquid or gas hydrocarbon samples. When pre-charged with inert gas, the Sentry CPC can maintain the sample at process pressure conditions for analysis.

Sentry constant pressure cylinders are constructed from super-duplex stainless steel for maximum pressure rating with minimum weight. The Sentry CPC features a no-tools-required design for ease in servicing and inspecting the main body components. A visual level indicator provides a visual reference to the sample volume collected.

Super Duplex stainless steel body, all other wetted materials are 316 SS.


  • Super Duplex stainless steel body; all other wetted materials are 316 stainless steel
  • Internal pressure monitored via glycerin-filled pressure gauges
  • Hydrostatically tested to 150% of rated pressure
  • Suitable for hazardous as well as non-hazardous liquids and gases (Groups 1 and 2)
  • Magnetic visual level indicator shows fill level
  • ASME Section VIII Div 1; PD 5500, PED, EN10204, DOT
  • NACE MR0175 version available

More Information
Process Temperature -20°F to 392°F (-29°C to 200°C)
Wetted Materials Super Duplex SS and 316 SS
Seal Material FKM / PTFE
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