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Valve Standards Applicability Matrix

Which standard governs which valve type — and at which pressure class. The spec-writer's index across 50 valve standards, so you cite the right one on every datasheet and bid.

Which standard applies to my valve type?

A valve datasheet usually cites a primary design standard plus testing and material standards. Ball valves are typically specified to API 6D or API 608 / BS 5351; gate, globe and check valves to API 600 / API 602 / API 623 / BS 1873 / API 594; butterfly valves to API 609 / AWWA C504; and all of them are pressure-rated to ASME B16.34, fire-tested to API 607, and inspection-tested to API 598. The matrix below lists every standard that governs each valve type and pressure class.

Standards by Valve Type

Diaphragm Valves

2

Standards by Pressure Class

Pressure ClassStandards Covering This Class
Class 150API 6DAPI 607ASME B16.34API 598NACE MR0175 / ISO 15156API 609ISO 15848API 526BS 6755API 600API 602API 594API 6FAASME B31.3ASME B16.10ASME B16.5BS 5351API 6AASME B31.1ISO 14313API 623BS 1873ASME B16.47API 17DASME B31.4ASME B31.8AWWA C504API 641ASME B31.12MSS SP-75API 599ISO 15848-1API 622ISO 17292BS 6364API 624
Class 300API 6DAPI 607ASME B16.34API 598NACE MR0175 / ISO 15156API 609ISO 15848API 526API 600API 594API 6FAASME B16.10ASME B16.5BS 5351API 6AISO 14313API 623BS 1873ASME B16.47API 17DASME B31.4ASME B31.8API 641ASME B31.12MSS SP-75API 599ISO 15848-1API 622ISO 17292BS 6364API 624
Class 600API 6DAPI 607ASME B16.34API 598NACE MR0175 / ISO 15156API 609ISO 15848API 526API 600API 594API 6FAAPI 527ASME B16.10ASME B16.5BS 5351ASME B31.1ISO 14313API 623BS 1873ASME B16.47ASME B31.4ASME B31.8API 641ASME B31.12MSS SP-75API 599ISO 15848-1API 622ISO 17292BS 6364API 624
Class 900API 6DAPI 607ASME B16.34API 598NACE MR0175 / ISO 15156ISO 15848API 526API 600API 594API 6FAASME B16.10ASME B16.5BS 5351ASME B31.1ISO 14313API 623BS 1873ASME B16.47ASME B31.4ASME B31.8API 641ASME B31.12MSS SP-75ISO 15848-1API 622ISO 17292BS 6364API 624
Class 1500API 6DASME B16.34API 598NACE MR0175 / ISO 15156API 526API 600API 602API 594API 6FAASME B16.10ASME B16.5BS 5351API 6AASME B31.1ISO 14313API 623BS 1873API 17DASME B31.8API 641ASME B31.12MSS SP-75ISO 15848-1API 622ISO 17292API 624
Class 2500API 6DASME B16.34API 598API 526BS 6755API 600API 602API 594API 6FAASME B31.3ASME B16.10ASME B16.5BS 5351ASME B31.1ISO 14313API 623BS 1873ASME B31.12MSS SP-75ISO 15848-1ISO 17292API 624
Reviewed by Valve Standards Engineering, Vajra Industrial SolutionsDiscipline: Industrial Valve Standards & ComplianceLast reviewed: 20 June 2026

Connected Engineering

Writing a valve specification?

Tell us the valve type, class and service — we supply to the right standards (API 6D, API 600, API 609, ASME B16.34) with matching test certification.

See how the standards relate in the Valve Standards Map.