Expert Details

Expert in HDPE, PP, PVC, PA Heat Fusion, Butt Fusion, Saddle Fusion, Socket Fusion, and Joining Equipment

Expert ID: 735084 Oklahoma, USA

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He spent the last 15 years designing machines from small hand tools to large mobile equipment to join thermoplastic pipes through heat fusion - butt, saddle, and socket fused joints. He participated in the testing work for the most recent versions of PPI TR-33, is a recognized expert in tensile-impact testing of heat fused joints per ASTM F2634 and is also an expert in the ASTM F2620 joining standard. His fusion and testing experience includes HDPE, MDPE, FPVC, PVC, PP-R, PP-RCT, PA11, and various proprietary formulations and composite designs. His machine design experience spans the range from small hand tools to large mobile equipment, and includes, fabrication, custom and other special purpose fusion equipment.

Joining procedure development, standards development, jobsite issue resolution, DataLogger joint record interpretation, R&D, Material compatibility, forensic analysis of fused joints, jobsite coaching/training, product development consulting, machine design consulting, product safety consulting, machine troubleshooting & failure analysis.


Year Degree Subject Institution
Year: 2000 Degree: BS Subject: Mechanical Engineering Institution: University of Tulsa

Work History

Years Employer Title Department Responsibilities
Years: 2018 to Present Employer: Undisclosed Title: Technical Director Department: Responsibilities: Apply expertise in machine design and thermoplastic pipe joining and mechanical testing for the benefit of a diverse clientele in the plastic pipe industry
Years: 2013 to 2018 Employer: McElroy Manufacturing, Inc. Title: Director Product Development Department: Engineering Responsibilities: Led a multidisciplinary team in development, test, and launch of new tools and technologies for joining various thermoplastic pipes. Presented new tools and technologies to industry and channel partners.
Years: 2012 to 2013 Employer: McElroy Manufacturing, Inc. Title: R & D Manager Department: Responsibilities: Led new product development team
Years: 2008 to 2012 Employer: McElroy Manufacturing, Inc. Title: Project Engineer Department: Responsibilities: Project leadership of multidisciplinary teams doing product development, sustaining, standards, and fusion testing projects.
Years: 2003 to 2008 Employer: McElroy Manufacturing, Inc. Title: Design Engineer Department: Responsibilities: Machine Design, CAD, CAM, FEA

Career Accomplishments

Associations / Societies
ASTM F17 (2009-Present)
Licenses / Certifications
2007/Present - Professional Engineer- State of Oklahoma
Professional Appointments
ASTM F17.20 Subcommittee Chairman (2013-2016)
Awards / Recognition
ASTM F17 Special Service Award (3 years)

Additional Experience

Expert Witness Experience
Pre-trial work (Site inspection) for a failure of a fused HDPE line near Midland, TX.
Marketing Experience
5 years of product launches representing more than 30 products including new products (Machines and Accessories), product improvements, and product line extensions.
Other Relevant Experience
Extensive experience as leader of fusion joining and mechanical testing services at McElroy. Field and laboratory testing of fused joints, Research, fusion procedure development (parameters, equipment, and procedural guidance), material fusibility qualification, & forensic analysis. Operates any fusion equipment from hand tools to large mobile machines. Jobsite/Equipment usage.

Fields of Expertise

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