COLVES Ball Valves are available in size 1/4" through 4" and ANSI Class 150 Lb up to 2500 Lb. 
Engineered for rigorous performances, COLVES Trunnion Ball Valves are forged or cast construction in both Carbon and Stainless Steel. 
Designed for a wide range of services, COLVES Ball Valves are suitable for many applications, including: Oil Field, Oil & Gas Pipelines, 
Chemical/Petrochemical Processing, Offshore, Power Plant, Compression Stations, etc… 
Strict manufacturing processes are adhered to in order to maintain consistent compliance with API 6D, API 6A, NACE MR01-75, API 6FA and API 607.

COLVES' Quality Assurance System is in accordance with:

Valve Design: API 6D, ASME B16.34, ASME B31.3  
Face to Face Dimension: ASME B16.10
or Manufacturer Standard  
End Flange Dimension: ASME B16.5  
Butt Weld Ends: ASME B16.25  
NPT threaded: ASME B1.20.1
 Socket Welded: ASME 16.11
Test: API 6D & API 598  
Fire Test: API 6FA & API 607  
API 6D  
API 6A    
ISO 9001  
API 6FA & API 607  
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