
Ships and marine technology - Pressure/vacuum valves for cargo tanks
出版:International Organization for Standardization

专家解读视频
This International Standard applies to pressure/vacuum relief valves protecting marine vessel systems, including cargo tanks, that may be subject to gas/vapour pressure or vacuum outside the design parameters of the system/tank. This standard specifies the minimum requirements for performance and testing of pressure/vacuum relief valves, with emphasis on selection of materials, internal finish and surface requirements for pressure/vacuum valves installed on cargo tanks in tankers (see annex A). This standard specifies design and in-service performance criteria and operational testing and maintenance requirements. This standard does not address devices to prevent the passage of flame. Advice on devices to prevent the passage of flame is found in the International Maritime Organization (IMO) International Convention on the Safety of Life at Sea, 1997 (SOLAS); Chapter II-2, Regulation 59, and IMO Maritime Safety Committee (MSC) Circular No. 677 (MSC/Circ. 677) Revised Standards for the Design, Testing and Locating of Devices to Prevent the Passage of Flame into Cargo Tanks in Tankers.