BS 5041-2:1987
Current
The latest, up-to-date edition.
Fire hydrant systems equipment Specification for landing valves for dry risers
Hardcopy , PDF
English
03-31-1987
Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 Definitions
3 Pressure rating
4 Nominal inlet sizes
5 Temperature rating
6 Marking
Section two. Design
7 Materials
8 Valve bodies
9 Valve inlets
10 Valve outlets
11 Bonnets
12 Wedge gates
13 Stems
14 Stem sealing
15 Glands
16 Handwheels and operation
17 Bolting
18 Pressure retention
19 Strap
20 Blank cap and chain
Section three. Production testing requirements and test
certificate
21 Hydrostatic test requirements
22 Test certificate
Appendices
A Hydrostatic tests methods
B Recommendations for the information to be supplied
by the purchaser to the manufacturer
Tables
1 Choice of materials for components and parts
2 Bolting for valves
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.