Revolutionary railcar manway gaskets by Garlock!

Manufactured from 100% pure PTFE and utilizing our proprietary GYLON® process, the 3545 TUFF-RAIL™ gasket is specifically designed to help address those difficult installation and sealing requirements of manways. Formulated to compress and conform, the 3545 TUFF-RAIL™ is easily installed with excellent load retention, maintaining a tight seal even during heavy vibration and thermal cycling. The patent pending technology incorporates raised ribs to insure the gasket performs under the limited bolt load and the narrow seating surface of the nozzle.


  • Manufactured with 100% pure PFTE for universal chemical resistance
  • Proprietary GYLON® 3545 and raised sealing ribs offer excellent creep resistance and long term bolt load retention
  • Highly compressible for low load sealing on less than ideal flange surfaces
  • Tough, reliable and reusable—ideal for heavy vibration, thermal cycling, and over-torqueing
  • Engineered to a single size to fit the most common manways simplifying inventory (AAR-1, UTC-1, TRN-1)
  • Unlimited shelf life and high crush resistance - issues commonly associated with rubber gaskets
    The TUFF-RAIL™ patent pending technology relies on unique materials & advanced design for superior performance

    Learn how Power Dynamics ingenuity can help your business thrive!

    Power Dynamics, Inc., Industrial Gasket Manufacturing, USA
    Our primary focus is on manufacturing custom-cut gaskets, we fabricate from sheet material into most any shape or size. Our fabrication options include: hand cutting, die cutting, and laser cutting depending on the scope of the project.

    Our shelves are stocked with Compressed Fiber, Flexible Graphite, Metal Gaskets, Joint Sealant, PTFE, Rubber, and General Application Gasketing materials.

    We pride ourselves on ensuring all customers receive the absolute best material available.

    Call Power Dynamics Gasket Company today!

    Discover the many benefits of partnering with Power Dynamics for all your fluid sealing needs!

    800-959-3705  *  651.454.5504
    7365 Concord Blvd.
    Inver Grove Heights, MN 55076

    Power Dynamics Adds New Wide Capacity Diecut Table to the Mix!

    The new Atom Flashcut is designed to give Power Dynamics a faster and sleeker option when working with larger sheet materials. The wider table allows us to cut up to a 120” x  80” piece of material. This larger capacity table will help with down time while almost doubling the production output speed!
    “We are excited to add our third cutting table to the mix. Our continued growth is due to not only our state of the art product line and hands on customer service but also our investment in high end production machinery that eliminates errors, increases output speed, and works across all material types.” Said Vice President and General Manager, Chad Wall.

    Click Here to Learn More!

    GPT Introduces New Abrasion, Corrosion Resistant Washers


    • New Diamond Hyde' HCS Washers resist corrosion more than twice as long as Xylan® A-coated washers in a five percent salt spray
    • Diamond Hyde' Washers resist damage by mitigating common installation errors
    • For severe applications, Diamond Hyde' Extreme Washers feature a 316L Stainless Steel core to withstand conditions on offshore oil platforms, abrasive sprays or high concentrations of hydrogen sulphide found in sour gas

    Click HERE to learn more!

    Learn More about Garlock's Low Friction Valve Stem Packing for the Power Generation Industry!

    Style 5882 provides low friction performance in industries where Air Operated Valves are used for steam, water, air and process control applications. The unique combination of materials helps achieve superior valve sealing with lower friction for valve stem actuation. Style 5882 comes in both spool stock and die-formed ring sets for customer convenience. If a lower PTFE content/higher temperature set is needed, Style 5882 can be used as end rings and combined with GRAPH-LOCK® center rings*.

    Garlock Valve Stem Packing

    NEW - 100% Fluoroelastomer Rubber Sheet Material

    Garlocks utility–grade Fluoroelastomer sheet that completes the already successful Garlock Family of Fluoroelastomer Rubber Sheets.
    Garlock_9938_Data Sheet

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