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 Expert  107852

Expert in Hydraulic and Pneumatic Seals

Available for your Consulting and Expert Witness Needs

Wisconsin (WI)
Education Work History Career Accomplishments Consulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has helped numerous clients with their seal-related problems. Remedies he has employed range from simply changing the metal finish on the bottom of a static O-ring groove to a complete redesign of existing sealing systems. He is particularly experienced with medium high-pressure and very high-pressure seal. He also has experience designing rotary kiln seals and low pressure (under 700psi) slow rotary, low torque, low leakage, long life engineered plastic (TFE) seals.

Expert is extremely knowledgeable in the field of hydraulic and pneumatic seals. He has solved hydraulic sealing problems for a variety of applications including agricultural, automotive, aerospace, off-road vehicles, and in-plant systems. He is familiar with air seals, gas turbine seals, and serpentine seals as well as low psi vapor seals for the pharmaceutical industry.

Based upon a client's design, Expert assists in selecting the proper geometry and material to meet the specific application. Design conditions dictate how important it is to cover all the bases such as pressure range, temperature, media, static or dynamic, metal finishes, diameter, and clearances. He is very familiar with the following materials as they relate to seals: polyester resins, fluorocarbons (Teflon), polyamides (nylon), polyphenylene sulfides (PPS), polyurethane resins, elastomers, ethylene propylene rubber (EPDM), polychloroprene, and thermoplastic elastomers.

Expert evaluates client's gasket problems and offers solutions ranging from simple material changes to complete redesign. He is familiar with how bolt patterns and bolt torque loads affect gasket performance.


seal (device)


medium high-pressure seal


very high-pressure seal


O ring


hydraulic packing


seal selection



Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Chicago, Illinois;  Rockford, Illinois;  Aurora, Illinois;  Naperville, Illinois;  Elgin, Illinois;  Waukegan, Illinois;  Milwaukee, Wisconsin;  Madison, Wisconsin;  Green Bay, Wisconsin;  and Kenosha, Wisconsin.

Often requested
with this expert:

Fluid Sealing Technology
Hydraulics, Pneumatics, Pumps, Valves, Hydrostatic Drives...
Design and Molding with Rubber
EPDM Elastomer, Chemistry and Technology

Year   Degree   Subject   Institution  
1963   B.S.   Biology, Chemistry   University of Wisconsin  

Work History:
Years   Employer   Title  

1988 to




Owner/Manufacturing Representative


1986 to 1988


All Seals & Hose, Inc.


Branch Manager & Sales Manager


1982 to 1986


WJF Seal Sales, Inc.




1978 to 1982


W.S. Shamban & Co.


Territory Manager


1973 to 1978


Parker Seal Co.


Territory Manager


Career Accomplishments:

Expert is a member of the Wisconsin Association of Manufacturers Agents. He was Editor of the Association's newsletter in 1991 and Treasurer in 1992.


Expert received the first national Packing Specialist Award from Parker Packing in 1977.

Consulting Services:
Recent Client Requests:
  • Expert for consulting on Sealing.
  • Expert for consulting on Sealing covers and components on distribution transformers.
  • Expert for consulting on O ring selection and seal.
  • O-ring expert for consulting on Concentric O-ring Seals in Diesel between Aluminum / Plastic.
  • O-ring expert for consulting on autoclave O-ring seal.
  • Seal design expert for consulting on seal configuration issues.
  • Liquid gasketing expert for consulting to create a robust liquid / gas seal interface.
  • Seal design expert for consulting on viability of current seal designs.
  • Expert in Pneumatic Diaphrag Failure.
  • O-ring design expert for consulting on O-ring selection.
  • Elastomeric design expert consutants for consulting on Molded Rubber Seal and Bellows Design.
  • Expert in gasket design for consulting on gasket design for implantable drug infusion pump.
  • Tribology expert for consulting on medical device seal design.
  • Water filtration expert for consulting on new product development.
  • Expert in pressure swing adsorption of oxygen with molecular sieve for consulting on production.
  • Expert for consulting on Elastomeric materials for use in diaphragm pump
  • Expert for consulting on Use of Polymers in Actuators.
  • Expert in Couplings and Threads for High Pressure Hoses.
  • Hydraulic expert for consulting on Hydraulic system.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Recent Litigation Client Requests:
  • Hydraulic seals expert for consulting on seals in patent litigation related to hydraulic seals.
  • Lip seal expert for consulting on lip seal failures on gear reducer.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:
Supplier and Vendor Location and Selection

Expert has experience locating vendors of: O-rings, gaskets, seals, molded rubber parts, and plastic molded parts.

He has access to the following resources: directories, personal contacts and industry knowledge, and offshore contacts for numerous products.


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