Gas Division Ball valves
Ball valves for Gas are designed and manufactured according to the following international codes and standards:
DESIGN AND MANUFACTURE:
API 6D: Pipeline Valves. Pressure Test Specification.
ASME B 16.34: Valves-Flanged, Threaded, and Welding End.
ISO 17292: Metal ball valves for petroleum, petrochemical and allied industries
EN 14141: Valves for natural gas transportation in pipelines. Performance requirements and tests
EN 1983: Industrial valves. Steel ball valves
INSPECTION AND TESTING:
API 6D: Pipeline Valves. Pressure Test Specification.
API 598: Valve Inspection and Testing.
EN: 12266-1: Industrial valves. Testing of metallic valves. Pressure tests, test procedures and acceptance criteria. Mandatory requirements
EN 17292: Metal ball valves for the petroleum, petrochemical and allied industries
API-607: Fire Test for Soft-seated Quarter-turn Valves
ISO 15848: Industrial Valves – Measurement, test and qualification procedures for fugitive emissions.
FLANGE SIZE:
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
EN 1759-1: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, class-designated. Steel flanges, NPS 1/2 to 24
WELDING OR THREADED ENDS:
ASME B16.25: Buttwelding ends
ASME B16.11: Forged fittings, socket-welding and threaded
EN 17292: Metal ball valves for the petroleum, petrochemical and allied industries
FACE TO FACE:
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
API 6D: Pipeline Valves. Pressure Test Specification
