Quality Testing


From the raw material, through engineering, die creation, fabrication, testing, cleaning and shipment, your forging order is handled with a level of quality that only comes from years of attention to detail. Using the latest, computer aided tools, equipment and dedicated personnel, our quality assurance department will guarantee each fitting meets the required specification.

GM Valve uses established stringent processes and monitoring practices for consistent quality. To meet international standards GM Valve has ISO 9001 certified facilities and systems. All our locations adhere to country-specific regulatory and licensing mandates.


Our products are manufactured and tested in accordance to ASTM, ASME, ANSI, API and other applicable industry codes and specifications.

Material Certifications are available upon request to the applicable ASTM/ASME material specifications for all GM Valve bodies, bonnets and trims.

Chemical and mechanical properties of every GM Valve product are fully traceable to the original lot and raw material heat.

Modern machining equipment plus rigid inspections of all parts assures dimensional accuracy. Quality Assurance procedures include 100% hydrostatic and pneumatic testing of all valves that fully comply with applicable API standards and industry codes.

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