ANSI & API Valve Standards

An overview of American National Standards Institute - ANSI - and American Petroleum Institute - API valve standards

ANSI A126: Grey iron castings for valves flanges and pipe fittings

ANSI A181: Standard specifications for forged or rolled steel pipe flanged forged fittings and valves and parts for general service

ANSI B16.10: Face - to - face and end - to - end dimension of ferrous valves

ANSI B16.5: flange dimension for 24" and below, pressure class 150Lbs to Class 2500Lbs.

ANSI B16.47: flange dimension for above 24", pressure class 150Lbs to Class 2500Lbs.

ANSI B16.34: Steel valves

ANSI B127.1: Constant - level oil valvess

API SPEC6D: Supplement 1 to api spec 6D (sixteenth edition ) specification for pipeline valves

API STD6D: Steel gate plug ball and check valves for pipeline service

API STD6D: API Specification for flanged steel gate and plug valves for drilling and production service

API SPE14D: API Specification for wellhead surface safety valves for offshore service

API 526: Flanged steel safety relief valves

API 527: Commercial seat tightness of safety relief valves with metal - to metal seats

API 528: API standard for safety relief valve nameplate nomenclature

API 529: Cast - forged Steel plug valves flanged ends

API 594: Wafer - type check valves

API 595: Cast - iron gate valves flanged ends

API 597: Steel venturi gate valves flanged or butt welding ends

API 598: Valve inspection and test

API 599: Steel plug valves flanged or butt welding ends

API 600: Flanged and butt - welding - end steel gate and plug valves for refinery use

API 602: Compact design carbon steel gate valves for refinery use

API 603: 150 - pound light - wall corrosion - resistant gate valves for refinery use

API 604: Ductile iron gate valves flanged ends

API 607: Fire - resistant testing of ball valves with soft contact faces

API 609: Butterfly valves to 150 psig and 150 F

API SPEC 6FA: Specification for fire test for valves

API SPEC 6FC: Specification for fire test for valves with automatic backseats

API BULL 6RS: Bulletin on referenced standards for committee 6, standardization of valves and wellhead equipment

API RP 11V6: Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves first edition

API RP 11V7: Recommended practice for repair , testing, and setting gas lift valves

API RP 520 PT 1: Sizing, selection and installation of pressure relieving devices in refineries part 1- sizing and selection

API RP 574: Inspection of piping, tubing, valves and fittings first edition, replaces guide for inspection of refinery equipment Chapter XI

API RP 576: Inspection of pressure-relieving devices first edition

API STD 608: Metal ball valves-flanged, threaded and welding end