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VALVES OF PIPING SYSTEMS

release time：2015-12-03 14:12
1 This Guideline applies to type approval and inspection of valves and fittings in marine piping systems.
2 This Guideline specifies general requirements for valves and fittings in marine piping systems. The type approval and inspection of valves and fittings in chemical cargo piping, chemical processing piping, liquefied gas cargo piping and liquefied gas processing piping are also to comply with the relevant special requirements and recognized standards acceptable to CCS.
3 The applicable design pressure and design temperature ranges are those used for valves of Class I, Class II and Class III marine piping systems. The piping system classes are specified in 2.1.5, Section 1, Guideline 2, PART THREE of CCS Rules for Classification of Sea-Going Steel Ships.
4 This Guideline applies to type approval and products inspections of gate valves, stop valves, check valves, plug valves, ball valves, butterfly valves, diaphragm valves, reducing valves and adjusting valves in marine piping systems. Filters and other piping fittings are to be referred to in this Guideline.
5 Generally valves and fittings in marine piping systems are to be subject to CCS Type Approval B; if the manufacturer has special requirements and the conditions permit, CCS Type Approval A or works approval may be requested.
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P02VALVES OF PIPING SYSTEMS.pdf
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