American Petroleum Institute

• API-6D – Specification for Pipeline Valves
• API-6A – Specification for Wellhead and Christmas Tree Equipment
• API-6FA – Specification for Fire Test for Valves
• API-594 – Check Valves: Wafer, Wafer Lug, & Double Flanged Type
• API-598 – Valve Inspection & Testing
• API-600 – Bolted Bonnet Steel Gate Valves for Petroleum & Natural Gas Industries
• API-602 – Compact Steel Gate Valves – Flanged, Threaded, Welding & Extended – Body Ends
• API-607 – Fire Test for Soft-Seated Quarter-Turn Valves
• API-608 – Metal Ball Valves – Flanged, Threaded, & Welding End
• API-609 – Butterfly Valves: Double Flanged, Lug & Wafer-Type
• API-Q1 – Specifications for Quality Programs for the Petroleum, Petrochemical & Natural Gas

American Society of Mechanical Engineers

• ASME B1.20.1 – Pipe Threads, General Purpose (inch)
• ASME B16.11 – Forged Fittings, Socket-Welding & Threaded
• ASME B16.10 – Face to Face & End to End Dimensions of Valves
• ASME B16.5 – Pipe Flanges & Flanged Fittings NPS 1/2 ~ NPS 24
• ASME B16.47 – Large Diameter Steel Flanges NPS 26 ~ NPS 60
• ASME B16.25 – Buttwelding Ends
• ASME B16.34 – Valves – Flanged, Threaded & Welding End

International Standards

• ISO 9001:2008 – Quality Management Systems
• ISO 14001 – Environmental Management
• OHSAS 18001:2007 – Occupational Health & Safety Management System
• ISO/TS 29001 – Petroleum, Petrochemical & Natural Gas Industries – Sector Specific QMS
• CE/PED – Pressure Equipment Directive
• GOST – Russian National Technical Standards
• CRN – Canadian Registration Number
• Z245.15.96 – Pipeline Steel Valves