Petroleum, petrochemical and natural gas industries. Pressure-relieving and depressuring systemsBS EN ISO 23251 applies to pressure relieving and vapour depressuring systems. Although intended for use primarily in oil refineries, it is also relevant to petrochemical facilities, gas plants, liquefied natural gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations. This

The OHSAS Standards covering OH&S management provide organizations with the elements of an effective OH&S management system that can be integrated with other management requirements and help organizations achieve OH&S and economic objectives

This standard includes area tables (in square inch units) for imperial fasteners

3) Development and use of new materials for waterproofing

13 Leakage current and electric strength at operating temperature

BS EN 574 does not specify with which machines two-hand control devices shall be used

Access control example

high quality and cost-efficient and which meet customers' expectations

a) conducted and induced surges transmitted to apparatus via connecting wiring

The equilibrium between liquid and vapour phases being maintained by cooling down the product to a temperature equal to

inherent rangeability and the permissible deviations between actual and manufacturer-stated inherent flow characteristics

BS EN ISO 3744:2010 first defines the ideal testing conditions and test equipment

Tables and figures include: