BS 7350:1990
Current
The latest, up-to-date edition.
Specification for double regulating globe valves and flow measurement devices for heating and chilled water systems
Hardcopy , PDF
English
28-10-1990
Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. Types
4. Ranges of nominal sizes
5. Ranges of nominal pressure
6. Pressure/temperature ratings
7. Dimensions and tolerances
8. Design
9. Materials
10. Hydraulic performance
11. Type testing
12. Production testing
13. Marking
14. Preparation for storage
15. Manufacturer's certificate
Appendices
A. Information to be supplied by the purchaser
B. Typical flow measurement device constructions
C. Flow coefficient method of test
Tables
1. Ranges of nominal presure (PN)
2. Pressure/temperature ratings: flanged and threaded
ends
3. Pressure/temperature ratings: compression ends
4. Face-to-face dimensions of flanged double regulating
globe valves and flow-measurement devices
5. Hole diameters or slot widths of pressure tapping
point or adaptor
6. Materials for the manufacture of type 1 flow
measurement devices
7. Range of system flow rates
8. Flow coefficient (Kv) for double regulating globe
valves
9. Flow coefficient (kvs) for flow measurement devices
10. Body material designation
Figures
1. Type 1 flow measurement devices
2. Type 2 flow measurement devices
3. Type 3 flow measurement devices
4. Type 4 flow measurement devices
5. Typical test system
6. Test section with test piece fitted
7. Test section without test piece fitted
8. Test section for flow measurement device only
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