Marine Ball valves
Ball valves are designed and manufactured according to the following international codes and standards
DESIGN AND MANUFACTURING:
ASME B 16.34: Valves-Flanged, Threaded, and Welding End.
API 608: Metal ball valves - flanged, threaded, and welding end
BUREAU OF SHIPS
INSPECTION AND TEST:
ISO-5208: Industrial valves - Pressure testing of metallic valves
BS 6755: (replaced by EN 12266)
EN 12266: Industrial valves. Testing of metallic valves. Pressure tests, test procedures and acceptance criteria. Mandatory requirements
END DIMENSIONS:
ASME B 16.5: Pipe Flanges and Flanged Fittings.
ASME B16.24: Cast Copper Alloy Pipe Flanges and Flanged Fittings
BS 10: Specification for flanges and bolting for pipes, valves, and fittings
DIN flanges
THREADED ENDS AND OTHERS:
ASME B1.20.1: NPT pipe threads
BS 21: (sustituída por EN 10226)
EN 10226: Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation
TAPER BUSHING PINE UNIONS FOR BRAZING
MIL specifications
FACE TO FACE AND END TO END:
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
Standard Arflu
DIN 558-1: Face-to-face and center-to-face dimensions of metal industrial valves for use in flanged pipe systems - PN designed valves
