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General guidance concerning the scope of ISO 877 is given in ISO 877-1:2009
operating temperatures –65 °C to 175 °C continuous
to enable them to be maintained and updated more frequently (to reflect implementation experience) than is possible for a standard
BS 6155 on the specification for tracheal tubes for large animals is useful for:
Clause 1 Scope
Petroleum and natural gas industries. Drilling and production equipment. Shallow gas diverter equipment PAS 015 General guidance concerning the scope1 Scope This International Standard specifies requirements for the selection of the diverter equipment for rigs used to drill shallow gas bearing formations. It covers both onshore and offshore drilling operations, and considers also the auxiliary equipment associated with floating rigs. The specified requirements concern the following diverter equipment: annular sealing devices; vent outlets; diverter valves; diverter piping. This International