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Ultra High Purity

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Product category: Gas Handling Systems

Ultra High Purity

Acme Cryogenics can expertly meet your Ultra High Purity needs. Serving the electronic gases industry for over 35 years, we offer the most diversified line of products, services and capabilities available.


  • Equipment design/fabrication using drawings with bills of material or cut list of P&ID
  • Weld stainless steel, hastelloy and nickel tubing
  • Orbital welding purged with mega class argon
  • Welding procedures and qualifications in accordance with ASME Section IX
  • Fabrication using materials of varying cleanliness and finishes ranging from annealed,
    oxygen cleaned to 7ra electropolished, cleaned, and bagged in a Class 100 Cleanroom
  • Complete UHP system manufacturing and assembly to customer’s specifications

Cleaning Finishing

  • DI water: 18.4 megaohm de-ionized water and detergent parts cleaning system


  • Ppb testing and certification: O2, H2O levels
  • Pressure retention
  • Helium mass spectrometer leak testing
  • Across the seat leak test on valves and regulators
  • Oxygen and moisture testing to less than 100 ppb
  • Pneumatic testing up to 8,500 PSIG
  • Gauges traceable to NIST

On-site Class 100 (fabrication) Cleanroom Capabilities

Complete On-site Electrical Shop

  • Shop capabilities include building electric control panels, performing complete wiring on all integrated system components, custom design and fabrication of electric and pneumatic controls, alarms, and analyzer panels complete with PLC technology
  • Ul and CSA certification for manufacture of control panels
  • Quality Assurance
  • Weld Logs (per customer request)
  • Weld Maps (per customer request)
  • Weld Coupons
  • Work performed in accordance with ASME Section VIII, Div 1 and ANSI B 31.3
  • Quality System Audited to CSA B-51-03, Appendix H