MDC Vacuum Products, LLC

23842 Cabot Blvd
Hayward,  CA  94545-1661

United States
  • Booth: 1144

Stop by booth 1144 (South) for the latest vacuum solutions.

MDC Vacuum Products, LLC is the world leader in vacuum technology, ceramic-to-metal sealing, and gas delivery solutions. MDC was founded in 1975 to serve a rapidly expanding vacuum industry and to satisfy the increasing demand for high quality vacuum components with fast delivery and reasonable prices. MDC now consists of three unique product divisions which include MDC Vacuum Products, Insulator Seal Inc. (ISI™), and MDC Gas Delivery Products. Our customer base is as varied as our product offering. Some of MDC’s customers include national laboratories, colleges and universities, original equipment manufacturers, and domestic as well as international commercial accounts. From the simplest of airtight seals to complex UHV chambers for surface science analysis, MDC’s product line provides a comprehensive solution to the world’s scientific and industrial markets.


 Press Releases

  • January 27, 2016

    MDC Vacuum Ltd announced today that they had expanded their manufacturing operations in Europe through the acquisition of CVT Ltd operations based in Milton Keynes. CVT adds significantly to MDC’s European capabilities. ”Now we have a fully integrated platform for growth across Europe”, said Roger Cockroft , MDC’s CEO.

    MDC, head quartered in Hayward California, recently launched a multi-million dollar group-wide initiative to restructure the business and position the company for long term stable growth.  “It’s exciting times here at MDC; we’re investing in the latest technology and tools, expanding our capabilities and skill sets, and kicking off a global focus on continual innovation”.

    “I want MDC to be the low cost, high quality, innovator in the vacuum business. We aim to delight our customers with exceptional service combined with outstanding products.”


  • New PanelXpress™ UHP Manual Gas Panels
    PanelXpress™ UHP manual gas panels are a quick and easy solution to your gas delivery process requirements....

  • MDC Gas Delivery Products is proud to announce the official launch of our new PanelXPress™ (PXP) line of ultra-high purity (UHP) manual gas panels. PXP™ gas panels make it easy for you to meet process, safety, purity, and schedule demands with both standard and custom configured options. The PanelXPress™ product line offers 2345, and 6-Valve standard designs which are compatible with a wide array of gases. You don’t have to wait to tackle the challenges of your gas delivery process because all PXP™ gas panels are available for quick delivery, and are easy to install.

    Your Process. Our Solution.

    PanelXpress™ UHP manual gas panels are a quick and easy solution to your gas delivery process requirements.


    • Stand Alone Manual Gas Panel 
    • Designed to Meet Ultra-High Purity Process Requirements
    • 2, 3, 4, 5, and 6-Valve Designs
    • Ultra-High Purity Orbital Weld, UHP Gauges, and VCR Construction
    • Dimensions: 20”T x 14”W x 8.5”D, Tube:1/4”OD 
    • All Panels Are Fully Function and Leak Tested with Certifications
    • Upgrade Compatible for MFC and/or Corrosive Gases



    • Automatic Crossover Valve
    • Mass Flow Controller
    • Pressure Transducer
    • Inlet or Outlet Filter    
    • Two Stage Regulator
    • Extension Gas Line
    • UHP Tied Diaphragm Regulator


    Compatible Gases
    Air, Argon, Methane, Cabon Monoxide, Cabon Dioxide, Ethane, Hydrogen, Helium, Nitrogen, Nitrous Oxide, Neon, Oxygen, Propane, n-Butane, Acetylene, Ethylene, iso-Butane, Krypton, Xenon, Sulfur Hexaflouride, C-25, C8, C-2, C-75, A-75, A-25, A-1025, Star29, P-5

    Online Ordering Now Available!
    All standard PanelXPress™ gas panels are now available to order from our eCommerce website making it easier than ever to meet your gas delivery needs. 


  • New SafeView™ Viewport Safety Covers
    SafeView™ viewport safety covers offer you the vacuum system safety you need....

  • Good news! Our new SafeView™ viewport safety covers are now available to order from our eCommerce website! You can check out the full product line here:

    SafeView™ viewport safety covers feature a protective polycarbonate shield (originally developed for fighter planes), and come with or without an ultra bright LED light ring for quick and easy illumination of your vacuum chamber.

    SafeView™ safety covers with the LED light ring option provide maximum lighting directly into your chamber while maintaining maximum viewing area. The perfect accessory to your SafeView™ cover is our mini-flange LED flashlight with mount which can be easily fitted to 1.33” (DN16) Del-Seal™ CF flanges. For ultimate vacuum system protection, use SafeView™ covers in conjunction with MDC’s top-of-the-line pressure burst disks.



    • Impact Resistant Polycarbonate Shield
    • Polycarbonate Material Offers Protection from Harmful UV Light
    • ¼-20 and M6 Tapped Mounting Holes for Camera and Laser Optic Mounting (SafeView™ Cover Removed/Light Ring Only)
    • Stud Mounting Kit for Both Tapped and Through Hole Flanges Included


    Options & Accessories

    • 2.75” (DN40), 4.5” (DN63), 6” (DN100), 8” (DN160), 10” (DN200) Del-Seal™ CF Flange Sizes Available
    • Ultra Bright White Light LED Light Ring (2.75”/DN40 = 12 LED, 4.5”/DN63 = 24 LED, 6-10”/DN100-200 = 48 LED)
    • 1.33” (DN16) Mini-flange LED Flashlight with Mount



    Contact Us
    MDC Vacuum Products, LLC
    23842 Cabot Blvd Hayward, CA 94545 USA
    Phone: 510.265.3500 | Toll Free: 800.443.8817 |

  • ISI™ Ceramic-to-Metal Sealed Connection Components
    No matter what market you’re in, you need ceramic-to-metal sealed connection components for your process. Fortunately, Insulator Seal (ISI™) designs and manufactures the sealed connection components you require for your harsh environment....

  • Insulator Seal Inc. (ISI™), a division of MDC Vacuum Products, LLC, manufacturers electrical & optical ceramic-to-metal sealed components for harsh environments. ISI has been the innovation leader in the industry for over 30 years. Evolving from being a high vacuum solutions provider only, ISI now delivers world-class components for harsh environmental connector applications around the globe.

    We have eight generic product classes used to create innovative solutions for our markets. They are Viewport, Break, Liquid, RF Power, Thermocouple, Power, Multipin, and Coaxial. Each product has its own defined value in the transmission of energy, light, and fluid between a harsh environment to the ambient system. Regardless of your industry or application, Insulator Seal can provide you with the connector solution you require. What seal connection demands do you have?

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