BS 759-1:1984
Current
The latest, up-to-date edition.
Valves, gauges and other safety fittings for application to boilers and to piping installations for and in connection with boilers Specification for valves, mountings and fittings
Hardcopy , PDF
English
29-02-1984
Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 Definitions
3 Applicability of other valve standards
Section two. Material requirements and limitations
4 Pressure containing components
5 Body seat faces and valve disk faces
6 Fusible plugs
Section three. Design and construction requirements
7 Locking devices
8 Scantlings
9 Castings and forgings
10 Body to bonnet/cover connection for all valves and
fittings
11 Stems
12 Direction of operation
13 Indicators
14 Moving parts
15 Body seats
16 Body end connections
17 Cocks
18 Water level alarms
19 Water level gauges
20 Bolting for pressure containing joints
21 Pressure gauges
22 Fusible plugs
Section four. Production testing, inspection and marking
23 General
24 Safety precautions
25 Test media
26 Hydraulic test
27 Marking
Section five. Additional requirements for automatically
controlled steam and hot water boilers
28 Automatic water level controls
29 Water level controls housed in chambers external to
the boiler
Section six. Installation requirements
30 Boiler main stop valves
31 Boiler feedwater valves
32 Water level gauges
33 Stuffing boxes and glands
34 Fusible plugs
Appendix
A Inspection and testing facilities
Tables
1 Minimum duration of hydraulic shell test
2 Minimum duration of hydraulic seat test
Figure
1 Pressure gauge dial markings
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