BS 7350:1990

This British Standard specifies pressure/temperature ratings, dimensions, some aspects of design, materials, performance requirements, testing (both type and production testing), marking and preparation for storage and transportation of double regulating globe valves and flow measurement devices used for heating and chilled water systems.

This standard covers double regulating globe valves and flow measurement devices in the form of fixed and variable orifice valves and as individual orifice fittings made from steel, cast iron and copper alloys with flanged, threaded and compression ends, or for mounting between flanges, in a range of sizes and nominal pressure designations.

NOTE 1 The information to be supplied by the purchaser at the time of enquiry and/or order is given in Appendix A.

NOTE 2 This standard does not cover methods of installation.

NOTE 3 The titles of the publications referred to in this standard are listed on pages 18 and 19.

Specifies pressure/temperature rating, dimensions, some aspects of design, materials, performance requirements, testing (both type and production testing), marking, preparation for storage and transportation, and installation and operating instructions of double regulating globe valves and flow measurement devices used for heating and chilled water systems.