Sampling Assemblies - Expert Assembly and Custom Solutions to What You Need


Cylinder Assembly

Expert Cylinder Assembly. Custom Configuration. Fully Tested and Traceable.





Sample cylinders can be used for many applications across several industries. With a variety of configurations and requirements for sampling, FITOK has developed an offering to cover every need. In addition to manufacturing each component, FITOK also offers full assembly, testing, and certification on standard, TPED, and DOT rated cylinders.


Technical Data



  • Assembly Working Temperature: -20°F~200°F (-28°C~ 93°C)
  • Assembly Working Pressure: 1800 psig (124 bar)
  • Duplex Stainless Steel: 316 SS, 304 SS, Monel, Hastelloy, Duplex Stainless Steel
  • Cylinder: TEPD and DOT cylinder available, capacities from 75 ml to 2250 ml
  • Quick-connects: Stem (or body) with valve or without valve, QC series and QTM series optional
  • Hoses: metal hoses and PTFE hoses, etc.
  • Outage tubes: To determine the cylinder outage by selecting different outage tubes
  • Other options: SilcoNert® 2000 (Sulfinert®) coating, NACE MR0175, needle valves with rupture disc and spring relief devices


Standard Assembly Configurations



Standard Assembly Configurations

Note: Besides these standard assembly configurations, other customized configurations are also available upon request.





Sample Cylinder Assemblies


  • Volume: 75 ml, 150 ml, 300 ml, 500 ml, 1000 ml and 2250 ml
  • Material: 304L, 316L and Alloy 400
  • Connection: Available in a variety of connection types
  • TPED cylinders or DOT cylinders optional
Needle Valves

Needle Valves

  • Body material: 316 SS, 304 SS, Hastelloy C-276, Alloy 400, etc.
  • Size: Available in a variety of sizes
  • Connection: Available in a variety of connection types
  • TPED Certified



Metal Hoses

  • Series: PS, MH series, etc.
  • Core tube material: 316 SS and smooth PTFE
  • Overbraid material: 304 SS
  • Hose size: 1/4" to 1"
  • Connection: Available in a variety of connection types
Quick connects


  • Series: QC, QTM series, etc.
  • Body material: 316 SS, Brass, etc.
  • Seal material: FKM (Viton), FFKM (Kalrez), EPDM and PTFE
  • Size: Available in a variety of sizes
  • Connection: Available in a variety of connection types


Spring Relief Devices

Spring Relief Devices

  • Spring relief devices can be used with FITOK sample cylinders as a safety device.
  • When the system pressure reaches the set pressure, the device will open automatically to release the excess pressure in the system. After stabilizing the system pressure, the device will close automatically.


Please see the product catalog for more information. Should you have any questions, please contact us directly or contact your nearest authorized distributor.


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