Products

Mechanical Research & Design, Inc. specializes in custom sealing, lifting, and pulling devices. Our engineers have designed products for sealing, lifting and pulling applications in a wide variety of industries. Whether you are looking for a custom inflatable seal, mechanical seal, pipe plug for blocking, testing, and repairing your pipe line, or if you need pipe pullers for heavy pipe or a lifting device using our rubber seals we will help to make your job successful. Over the years we have been challenged with very interesting sealing applications and if your needs are sealing a steam line in a nuclear reactor or sealing a door in a custom built yacht, we will be happy to work with your people in developing a sealing solution that fits your needs and budget. Please spend some time looking over our product line on this web site and if you have any questions please call or email us.

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Custom Seals, Plugs & Pipe Testers

used for testing, repair and
maintenance of piping systems

used for long duration / permanent installations where inflation seal air is not available

used for maintenance of reactor vessels and associated piping valves

made to your specifications for any particular application

used to test permanent pipe joints prior to operation or to isolate leaks in piping systems

used for Hydroelectric Dam Tunnel / Tailpipe, Water Aqua-ducts, Open Chennel Flow Storage, Underwater Out-fall / Inlet and Nuclear

used for testing pipe penetrations, offshore wipers and packers, testing pre-insulated piping and for testing double-wall containment piping

used for making a positive seal between the seal and the surface to be sealed

Electric motor stator housing lifters

used to pull heavy pipe out of storage racks, and in pipe lining processes


•Pipe Test Plugs
•Mechanical Plugs
•Reactor Nozzle Plugs
•Specialty Plugs
•Pipe Joint Tester
•Bulkheads
•Annular Seals
•Inflatable Seals
•Material Handling
•Pipe Pullers