DESIGN AND MANUFACTURING:
API 6D: Pipeline Valves. Pressure Test Specification.
ASME B 16.34: Valves-Flanged, Threaded, and Welding End.
BS 5351 (replaced by ISO 17292)
API 608: Metal ball valves – Flanged, Threaded, and Welding End
ISO 17292: Metal ball valves for petroleum, petrochemical and allied industries

TEST AND INSPECTION:
API 6D: Pipeline Valves. Pressure Test Specification.
API 598: Valve Inspection and Testing.
API-607: Fire Test for Soft-seated Quarter-turn Valves
ISO 15848: Industrial Valves – Measurement, test and qualification procedures for fugitive emissions.

FLANGE DIMENSION:
ASME B 16.5: Pipe Flanges and Flanged Fittings.
ASME B16.47: large diameter steel flanges: nps 26 through nps 60
MSS SP 44: Steel pipeline flanges

WELDED OR THREADED EXTREMES:
ASME B16.25: Buttwelding ends
ASMEB16.11: Forged fittings, socket-welding and threaded
ASME B1.20.1: Pipe threads general purpose

FACES TO FACES DIMENSIONS:
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
API 6D: Pipeline Valves. Pressure Test Specification