Applicable standards:
STEEL BALL VALVES,API 608/API 6D
STEEL BALL VALVES,ISO 10434/ISO 14313
FIRE DURABLE,API 607
ANTI STATIC,API 608
STEEL VALVES,ASME B 16.34
FACE TO FACE,ASME B 16.10
END FLANGES,ASME B 16.5
BUTTWELDING ENDS,ASME B 16.25
INSPECTION AND TEST,API 598/API 6D
