Category Archive: Sealing

Custom Kammprofile Gasket and Double Jacketed Gasket Manufacturing

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custom gasketMercer Gasket and Shim is proud to announce the expansion and modernization of our Custom Kammprofile gasket and double jacketed gasket manufacturing facilities in response to the growing demands of our customers. With increased capacity and adherence to the best manufacturing practices, we are now better equipped than ever to handle quick turnaround and emergency orders.

To accommodate this expansion, we have dedicated 7000 square feet of our plant solely to the manufacturing of these specialized products. Our state-of-the-art facility boasts an array of cutting-edge equipment, including:

  • 2 Kammprofile machines
  • 2 sizing tables
  • 2 rolling machines
  • 2 waterjet machines
  • 2 laser jets
  • 3 welding stations

Backed by decades of experience, the Mercer team comprises skilled experts who stand ready to assist you in every step of the process, from design and development to the precise manufacturing of even your most challenging requirements. Mercer is ISO 9001:2015 and ITAR registered M48408.


Need your kammprofiles and double jacketed gaskets fast!?  Try Mercer’s 24-hour Emergency delivery service!

Rail Car and Manway Sealing Solutions

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Mercer Gasket & Shim offers an array of sealing solutions for the process industries, our sealing solutions can be found throughout the industrial supply chain.  Mercer Gasket and Shim can assist with all your rail car, tank sealing needs for a range of tank car applications including manway lids, bottom outlet valves, flange connections and a host of others.
mercer gasket manway

When transporting bulk commodities or hazardous materials by railway requires a safe, economical, and low maintenance manway sealing solutions, Mercer Gasket & Shim highly recommends Durlon brand SecureSnap™.  Duron products not only meet the aforementioned requirements, their products have stood the test of time as an industry favorite.

Why does Mercer Gasket favor Durlon brand SecureSnap™ manway gaskets?

Consider this Challenge:

A potential problem with a standard AAR-1 manway gasket is that the conventional design must be precisely made with tight tolerances to fit snugly into a dovetailed groove so that it remains in place once installed. When this does not happen the potentialmercer gasket manway securesnap for NARs is heightened. The required tolerances for these conventional style gaskets are difficult to achieve and create quite a bit of scrap during the manufacturing process. In addition, if the ID is too small, installation becomes difficult if not impossible. On the other hand, if the ID is too large the gasket will easily fall out of the groove and into the manway nozzle. The result of this happening will cause leaks, splashes, and other releases from an improperly secured manway cover.

The Solution

The increased flexibility of the SecureSnap™ manway gasket enables the user to install the gaskets more quickly than the conventional gasket. The tabs allow for the SecureSnap™ manway gasket to easily snap into the dovetail groove. Thus, the time required to install the SecureSnap™ gasket is significantly less than the time required to install a standard manway gasket.

The Benefit

The flexibility of the SecureSnap™ manway gasket also renders the gaskets more versatile than the conventional gasket. The SecureSnap™ gasket will accommodate more than one style of manway system (dependent on end user approval) meaning that distributors can stock one size of gasket for multiple manway designs, therefore reducing inventory and overall cost.
SecureSnap Logo

Contact us for a quote or answers to your questions regarding SecureSnap™ or any of our manway or tank car sealing solutions.

Contact Mercer Gasket & Shim Today!