BS 750:2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for underground fire hydrants and surface box frames and covers
Hardcopy , PDF
28-07-2023
English
30-09-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Fire hydrants
5 Outlets
6 Stem drive
7 Draining system
8 Coating
9 Maintenance of water purity (potable water
systems only)
10 Type requirements
11 Fire hydrant assembly - resistance to internal
pressure of the shell and of all pressure
containing components and resistance
of the obturator to differential pressure
12 Hydrostatic test certificate
13 Marking and additional data
14 Surface box frames and covers
15 Marking
16 Type requirements
17 Production requirements
18 Test certificate
Annexes
Annex A (normative) - Type tests for strength,
security and endurance
Annex B (normative) - Type hydrostatic tests
for screwed outlets
Annex C (normative) - Air release test
Annex D (normative) - Obturator impact resistance
test
Annex E (normative) - Hydrant box cover opening
procedure
Annex F (normative) - Information to be supplied
by the purchaser
Annex G (normative) - Type and production
loading tests for surface box frames
and covers
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