CVI valves are designed, manufactured and tested in accordance with API, ANSI and ASME requirements. The following list contains the most important applicable standards. CVI valves may be produced in accordance with other standards on request.
ANSI-American National Standard Institute

ASME B 1.20.1 Pipe threads, general purpose
ASME B 16.5 Steel pipe flanges and flanged fittings
ASME B16.10 Face-to-face and end-to-end dimensions of ferrous valves.
ASME B 16.25 Butt welding ends
ASME B16.34 Steel valves-flanged and butt welding ends
ASME B16.47 Larger diameter steel flange(26″ ~ 60″)
ASME B31.3 Technics pipeline
ASME Boiler and Pressure Vessel Code, Section VIII,Division 1, rules for construction of pressure vessel
MESC SPE 76/001 Surface roughness degree of flange gasket interface
MESC SPE 77/130 Ball Valve to API SPEC. 6D
MESC SPE 77/302 Material Acceptance Requirements for Valves in General Service
MESC SPE 77/315 Electroless Nickel Plating

British Standard

BS 1503 Pressure-containing forged parts including semi finished) specification
BS 6755-2 Valve test, section 2: fire test requirement specification
BS 5351 Industrial valve, shell thickness, and bore dimension
BS 1560 End flange dimensions and Flange gasket facing
BS 5146 Pressure test
API-American Petroleum Institute

API 6A Specification for wellhead valves
API 6D Specification for pipeline valves
API 6FA Specification for fire testing of valves
API 607 Fire test for soft seated quarter-turn valves
API Q1 Quality program
API 5B EUE External upset tubing threads

MSS-Manufacturers Standardization Society

MSS SP-6 Standard finishes for contact faces of pipe flanges and connecting-end flanges of valves and fittings.
MSS SP-25 Standard marking system for valves, fittings,flanges and unions.
MSS SP-55 Quality standard for steel castings.
MSS SP-45 Bypass, and drain connections standard
MSS SP-53 Cast steel quality standard of valve, flange,fitting and pipeline accessories –Magnetic-particle testing
MSS SP-54 Cast steel quality standard of valve, flange,fitting and pipeline accessories —Radiographic testing
MSS SP-93 Cast steel and forged steel quality standard of valve, flange, fitting and pipeline accessories—Liquid Penetrant Testing
ISO9001-International Organization for Standardization

ISO9001 Quality systems-model for quality assurance in design, development, production, installation and servicing.
ISO15156 Materials for use in H2S containing environment in oil & gas production.
ISO 5211-1 Executive institution accessories of quarter-turn valves, section1: flange dimension
ISO 5211-2 Executive institution accessories of quarter-turn valves, section2: capability character of flange and connector.
ISO 5211-3 Executive institution accessories of quarter-turn valves, section3: the dimension of drive parts
ISO 10479 Valve test: fire-proof test requirement
PrEN 12116 Industry valve, executive institution accessories of quarter-turn valves
DEP 31.38.01.11-GEN Standard of pipeline
DEP 31.40.70.30-GEN Quarter-turn open/close executive institution
DEP 32.36.01.17-GEN Control valves’ choice, specification and standard

NACE-National Association of Corrosion Engineers

MR0175 Sulfide stress cracking resistant metallic materials for oil field equipment (Superseded by ISO15156)

 

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