Producer of Expansion Plugs and Specialty Pipe Plugs - Mechanical Research & Design Expansion Plugs - Your Trusted Source for Sealfast products

Expansion Plugs & Other Specialty Pipe Plugs
 
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    Sealfast Expansion Plugs and Specialty Pipe Plugs

    Specialty Pipe Plugs - Expansion Plugs

    Expansion Plugs & Specialty Pipe Plugs Features:

    Non-Standard Sizes, Configurations and Applications

    Mechanical Research & Design welcomes requirements that are outside normal ranges. We will "go the extra mile" to assist you in developing and producing non-standard pipe plugs, custom seals, and joint testers.

    Custom Expansion Plugs and Specialty Pipe Plugs for Your Needs

    We have the in-house capabilities to evaluate, design, build and install our products in any situation. We can engineer plugs suitable for underwater, underground or any hostile, hazardous environment and have the ability to provide underwater installation services.

    Flange Weld Tester Flange Weld Tester
    The "SEALFAST™" Flange Weld Tester is used to test the welded or threaded joint of a flange without the need to test the complete system. This tool consists of a mating flange and internal inflatable seal that isolates the joint allowing the user to check this joint for leakage. They are available in sizes from 3 inches to 96 inches and can withstand test pressures up to 250 psig.


    Flow Through Bypass Flow Through By-Pass
    The "SEALFAST™" By-Pass Plug features a flanged connection, which allows pumping or draining process fluids from one section of the pipe to another. This flanged feature also allows the user to meter the flow of a pipeline from full flow to shut off. For bypassing damaged sections of pipeline. Flanged and threaded connections available.




    Split Plug Split Plug
    The "SEALFAST™" Split Plug For use where access to pipe is limited (manholes, manways, etc).
    See Video (15mb)




    Remotely-Installed Plugs
    The "SEALFAST™" Remotely Installed Plugs can be ordered to be installed remotely from a dry/safe location. Consult factory for details.
    Remotely Installed Plugs and multi size plugs
    Multi Seal Pipe Plugs Multi Seal
    The "SEALFAST™" Multi Seal is used in Applications where redundant sealing means are required.




    Square, Irregularly Shaped Pipe Plugs Square and irregularly shaped
    The "SEALFAST™" Square and irregularly shaped are available upon request from sizes 3" through 30 feet. These plugs which are built to your size/configurations can be used in doors, tunnels, channels, aquaducts or any size/shape opening during construction or maintenance outages.



    Multi-Size Pipe Plugs Multi-Size
    The "SEALFAST™" Multi-Size for testing joints in tapered pipe sections or reduced pipe sections.









    Your Source for Quality Expansion Plugs and Specialty Pipe Plugs


    For more information on SEALFAST™ Design, click here.


    ENGINEERING EXPERTISE TO DEVELOP 
    NON-STANDARD SIZES, CONFIGURATIONS & APPLICATIONS

    MADE INFlange Weld Tester, multi size plugsTHE USA
    Home | Company Info | SealFast Design | Pipe Test Plugs | Mechanical Plugs | Reactor Nozzle Plugs | Specialty Plugs | Lifting/Pulling Tools | Pipe Joint Testers | BulkHeads | Inflatable/Mechanical Seals | Annular Seals | Contact Info


      Mechanical Research & Design, Inc.

    		 
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    Fax:     		7511 Center Road
    Manitowoc, WI.  54220

    (800) 645-0808
    (920) 684-5608

    (920) 726-5000     		 


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