API STD 600-2021 Steel Gate Valves—Flanged and Butt-welding Ends, Bolted Bonnets (FOURTEENTH EDITION; API Monogram Program Effective Date: November 2021)
2021API STD 600-2021 Steel Gate Valves—Flanged and Butt-welding Ends, Bolted Bonnets (FOURTEENTH EDITION; API Monogram Program Effective Date: November 2021)
2015API STD 600-2015 Steel Gate Valves - Flanged and Butt-welding Ends@ Bolted Bonnets (THIRTEENTH EDITION; Effective Date: July 2015)
2009API STD 600-2009 Steel Gate Valves-Flanged and Butt-welding Ends@ Bolted Bonnets (Twelfth Edition; Incorporates Errata 1 November 2009)
2001API STD 600-2001 Bolted Bonnet Steel Gate Valves for Petroleum and Natural Gas Industries (Eleventh Edition; ISO 10434:2001 Adoption)
1997API STD 600-1997 Steel Gate Valves - Flanged and Butt-Welding Ends@ Bolted and Pressure Seal Bonnets (Tenth Edition; Errata -June 5@ 1998)