VALVEWORKS USA

metal valves not being parts of machines, namely, gate valves, ball valves and parts therefor

parts of oil and/or gas wellhead machines, namely, tubing head adapters, flanges, casing heads, cross and tees, tubing head threaded bottoms, tubing heads, and tree cap bottom hole test adapters, and parts therefor; machine valves, namely, gate valves, and ball valves and parts therefor; hydraulic valve actuators and parts therefor; pneumatic valve actuators and parts therefor

Maintenance and repair of valves

Treatment of materials, namely, metal hardfacing

testing, analysis and evaluation of valves for the purpose of recertification