NSI delivers on time ultra high purity cylinders that are built in controlled environments, cleaned, tested and packaged according to each customer's critical standards. NSI can stock your cylinders, reducing your lead times. We help chemical manufacturers grow their high purity chemical business. We assist OEM process engineers by offering custom cylinders with different configurations and sizes. We also provide limited repair and refurbishment of valves & VCR’s (and other non-cylinder body related items) on used cylinders.

Services provided for Bubblers & Ampoules include but are not limited to:

    Vessel Calculations:

  • ASME Section VIII
  • DOT 4B


  • DOT-4B Certified
  • ASME Section VIII Stamped
  • CGA-C3 compliant
  • Fleet Production
  • Prototype Fabrication
  • Custom Fittings & Porting
  • Sizes range from 25 ml to 100 L
  • Cleanliness controlled in a Class 100 Clean Room
  • Leak Tested to 1×10-9cc/sec atm (Semi F1-96 compliant)
  • Pressure Testing
  • Conditioning (Moisture Control)
  • Corrosion resistant materials (316L, Monel, Hastelloy C-276)
  • Thermal Control
  • Level Sensing
  • Interior / External Finish—mechanically polished and/or
  • electro polished
  • X-ray analysis (CGA and ASTM)

For more information: 503.620.9922 or email sales@nsi-mfg.com

NSI Products & Services