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Gas Delivery Services

MDC's Gas Delivery Products has 15,000 square feet of manufacturing area, with a 2,200 square foot Class 100 clean room for ultra high purity welding and assembly, an 1,800 square foot Class 10,000 area for assemblies and manual TIG welding, CNC and manual tube bending, and a machine shop.

Hand Welding
Tube Bending Port Pulling Assembly 

Hand Welding

All welded components manufactured at MDC are produced by our highly skilled AWS certified welding technicians. From ultra high purity orbital tube welding in a class 100 clean room environment to manual TIG welding, and system assembly, our technicians understand the importance of their role. They take pride in their work and it’s reflected in the quality of each and every product we ship. MDC’s Welded Components team is capable of meeting the needs of customers for prototype and quick turn requirements, as well as high volume, production quantity orders. Our technicians have the skills and techniques required for welding an array of different components including valves, regulators, bellows, and purifiers.


  • Ultra High Purity Orbital Tube Welding
  • Orbital Welding up to 3”
  • Glove Box Welding
  • Precision Manual TIG Welding

Vacuum Furnace Brazing

  • Stainless Steel, Ti and other alloys
  • Intricate Assembly Brazing


  • CMM
  • Dry Helium Leak Detection 1x10-9
  • Micron CNC Particle Testing
  • Residual Moisture Analysis < 10 PPB
  • Borescope Weld Inspection
  • Surface Finish Profilometry
Hand Welding

Tube Bending

  • CNC Tube Bending up to 2" diameter
  • Manual bending 1/8" to 3/4" diameter
  • 10 x diameter radiusing capability
  • Precision Ovality
Tube Bending

Port Pulling

  • Hydraulic pulled tube stubs 1/2" to 2" diameter
  • Reduced friction & turbulence
Port Pulling


MDC's Gas Delivery Products offers a fully staffed team of trained assembly and test personnel to manufacture your product. Whether it is a small electro-mechanical assembly, a complex gas delivery system or a full process module, we will apply our knowledge and experience to meet the most challenging assembly integration requirements.

Our manufacturing team has the knowledge and skills to provide the following capabilities.

  • UHP Orbital tube welding
  • Fine line manual TIG welding
  • Intricate mechanical assemblies
  • Precise alignment and build of semiconductor circuit edit equipment
  • Ion source and aperture units
  • Gas sticks and gas box assemblies
  • Full process gas delivery modules
  • Vacuum handling products
  • High vacuum leak check and certification
  • Electro-mechanical chassis
  • Large vacuum process chambers
  • Fully integrated system modules

Our assembly module and integration team is supported by a full staff of engineers and production planning personnel which enables us to maintain an accurate flow schedule for all products through the assembly and module build areas. MDC offers high bay, fully facilitated class 10,000 to class 100 clean room assembly areas to meet all customer product specifications.

  • Full Product Production
  • Engineering Support and Production Planning
  • Controlled Build Area and Assembly Bays
    • High Bay Class 10,000 Assembly Area
    • Class 100 Clean Room Area
  • Fully Trained Staff Electro-mechanical Assemblers
  • Vacuum Leak Checking & Verification

Gas System Integration and Assembly

  • Gas Cabinets
  • Gas Interface Boxes
  • Electro-mechanical
  • Pneumatics


  • Citrus Based Cleaning
  • Hot DI H2O Cleaning
  • Cascading Rinse
  • Heated Nitrogen
  • Ultrasonic DI Cleaning
  • Vacuum Oven Bake Out
  • Class 100 Clean Room Packaging


  • Full functional electrical and mechanical certification