Valve
Valve design, dimensions, and testing standards.
ASME B16.34
ASMEValves — Flanged, Threaded, and Welding End
Pressure-temperature ratings, dimensions, materials, and testing for flanged, threaded, and welding-end valves.
ASME B16.10
ASMEFace-to-Face and End-to-End Dimensions of Valves
Standard face-to-face and end-to-end laying lengths so valves are interchangeable.
MSS SP-25
MSSStandard Marking System for Valves, Fittings, Flanges and Unions
Uniform marking system for valves, fittings, flanges, and unions.
MSS SP-61
MSSPressure Testing of Valves
Pressure test methods and acceptance for shell and seat testing of valves.
MSS SP-72
MSSBall Valves with Flanged or Butt-Welding Ends
Design and testing of ball valves with flanged or butt-welding ends for general service.
MSS SP-80
MSSBronze Gate, Globe, Angle, and Check Valves
Bronze gate, globe, angle, and check valves for low-pressure service.
MSS SP-85
MSSCast Iron Globe and Angle Valves
Cast iron globe and angle valves, flanged and threaded.
MSS SP-110
MSSBall Valves with Threaded, Socket-Welding, and Other Ends
Ball valves with threaded, socket-welding, solder, grooved, and flared ends.
API 600
APISteel Gate Valves — Bolted Bonnet
Bolted bonnet steel gate valves for petroleum and process service.
API 602
APICompact Steel Gate Valves
Compact and small forged steel gate, globe, and check valves (typically ≤ NPS 4).
API 603
APICorrosion-Resistant, Bolted Bonnet Gate Valves
Corrosion-resistant bolted bonnet gate valves (thinner wall than API 600).
API 608
APIMetal Ball Valves — Flanged, Threaded, and Welding Ends
Metal ball valves with flanged, threaded, and welding ends for process service.
API 609
APIButterfly Valves — Double-Flanged, Lug- and Wafer-Type
Butterfly valves in double-flanged, lug, and wafer configurations.
API 594
APICheck Valves — Flanged, Lug, Wafer, and Butt-Welding
Dual-plate and wafer check valves for preventing back-flow.
API 599
APIMetal Plug Valves — Flanged, Threaded, and Welding Ends
Metal plug valves for shutoff service.
API 6D
APIPipeline and Piping Valves
Gate, ball, check, and plug valves for pipeline transportation systems.
API 598
APIValve Inspection and Testing
Inspection, examination, and shell/seat pressure testing requirements for valves.
API 607
APIFire Test for Quarter-Turn Valves and Valves with Nonmetallic Seats
Fire-type test evaluating soft-seated valves after fire exposure.
API 6FA
APIFire Test for Valves
Fire test procedure and acceptance for pipeline and process valves.
API 576
APIInspection of Pressure-Relieving Devices
Inspection and maintenance practices for pressure-relieving devices (PSV/PRV).
API 520
APISizing, Selection, and Installation of Pressure-Relieving Devices
Sizing, selection, and installation of pressure-relief devices for refineries.
API 521
APIPressure-Relieving and Depressuring Systems
Design of relief and depressuring systems including flare load determination.
API 526
APIFlanged Steel Pressure Relief Valves
Standardized orifice designations and dimensions for flanged steel PRVs.
API 527
APISeat Tightness of Pressure Relief Valves
Seat tightness test methods and acceptance for PRVs.
ASTM A216
ASTMCarbon Steel Castings for High-Temperature Service (WCB)
Carbon steel castings (WCA, WCB, WCC) suitable for fusion welding, for valve bodies and pressure-containing parts at high temperature.
ASTM A351
ASTMAustenitic Stainless Steel Castings (CF8/CF8M)
Austenitic (and duplex) stainless steel castings — CF8 (=304), CF8M (=316), CF3M (=316L) — for valve bodies and pressure-containing parts.
ASTM A217
ASTMAlloy Steel Castings for High-Temperature Service (WC6/WC9/C12A)
Martensitic stainless and alloy steel castings (WC6, WC9, C12A, C5, CA15) for pressure-containing parts in high-temperature service.
ASTM B62
ASTMComposition Bronze / Ounce Metal Castings
Composition bronze (ounce metal, C83600) castings for valve bodies, fittings, and general-service low-pressure components.
MSS SP-117
MSSBellows Seals for Globe and Gate Valves
Bellows stem seals for globe and gate valves in zero-leak service.
AWWA C509
AWWAResilient-Seated Gate Valves for Water Supply Service
Iron-body resilient (rubber) seated gate valves for water supply service, with NRS or OS&Y stems, including tapping gate valves.
AWWA C504
AWWARubber-Seated Butterfly Valves
Rubber-seated butterfly valves, 3 in. through 72 in., for raw water, potable water, wastewater, and reclaimed water service.
IEC 60534
IECIndustrial-Process Control Valves
A multi-part standard covering terminology, sizing equations, flow capacity (Cv/Kv), inherent characteristics, and testing of industrial-process control valves.
ISA 75
ISAControl Valve Sizing, Terminology, and Testing (75 Series)
The ISA 75 series covering control valve sizing equations, terminology, inherent characteristics, and flow/capacity testing — the North American counterpart harmonized with IEC 60534.
ISO 4126
ISOSafety Devices for Protection Against Excessive Pressure
A multi-part standard covering safety valves, bursting discs, and other overpressure-protection devices — the ISO/European counterpart to the API 520/526/527 relief-valve family.
ASME Section VIII
ASMERules for Construction of Pressure Vessels (Overpressure Protection)
Rules for the design, fabrication, inspection, and certification of pressure vessels, including the mandatory overpressure-protection (relief) requirements that drive PSV/relief-device selection.
API 624
APIType Testing of Rising Stem Valves Equipped with Flexible Graphite Packing for Fugitive Emissions
Type-testing requirements for fugitive emissions from rising-stem valve stem packing and body joints.
API 641
APIType Testing of Quarter-Turn Valves for Fugitive Emissions
Type-testing requirements for fugitive emissions from quarter-turn valves.
ISO 15848-1
ISOIndustrial Valves — Fugitive Emissions — Part 1: Type Testing of Valves
Classification and type-testing procedures for external leakage from valve stem seals and body joints.
API 622
APIType Testing of Process Valve Packing for Fugitive Emissions
Qualification testing of valve stem packing for fugitive-emissions service.