11/30243193 DC : 0

Superseded

BS 750 - SPECIFICATION FOR UNDERGROUND FIRE HYDRANTS AND SURFACE BOX FRAMES AND COVERS

Available format(s)

Hardcopy , PDF

Superseded date

09-30-2012

Language(s)

English

Publisher

British Standards Institution

Foreword
0 Introduction
Section 1: General
1 Scope
2 Normative references
3 Terms and definitions
Section 2: Fire hydrants
4 General requirements
5 Wedge-gate (type 1)/Type 1 fire hydrant
6 Screw-down (type 2)/Type 2 fire hydrant
7 Outlets
8 Stem drive
9 Draining system
10 Coating
11 Maintenance of water purity (potable water systems only)
12 Type requirements
13 Hydrant assembly - resistance to internal pressure of
   the shell and of all pressure containing components and
   resistance of the obturator to differential pressure
14 Hydrostatic test certificate
15 Marking and additional data
Section 3: Surface box frames and covers
16 General
17 Grading
18 Materials
19 Manufacture, workmanship and coating
20 Design features
21 Marking
22 Type requirements
23 Production requirements
24 Test certificate
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) - Type and production loading tests for
        surface box frames and covers
Annex F (informative) - Information to be supplied by the
        purchaser
Bibliography

BS 750

Committee	FSH/17/8
DocumentType	Draft
Pages	34
PublisherName	British Standards Institution
Status	Superseded

BS EN 10088-1:2014	Stainless steels List of stainless steels
BS EN 1074-2:2000	Valves for water supply. Fitness for purpose requirements and appropriate verification tests Isolating valves
BS EN 12165:2011	Copper and copper alloys. Wrought and unwrought forging stock
BS EN 12167:2011	Copper and copper alloys. Profiles and bars for general purposes
BS EN 14339:2005	Underground fire hydrants
BS EN 1092-2:1997	Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated Cast iron flanges
BS EN 1563:2011	Founding. Spheroidal graphite cast irons
BS 5163-1:2004	Valves for waterworks purposes Predominantly key-operated cast iron gate valves. Code of practice
BS EN 1092-3:2003	Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated Copper alloy flanges
BS EN 1074-6:2008	Valves for water supply. Fitness for purpose requirements and appropriate verification tests Hydrants
BS EN 1561:2011	Founding. Grey cast irons
BS EN 1982:2017	Copper and copper alloys. Ingots and castings
BS EN 12168:1998	Copper and copper alloys. Hollow rod for free machining purposes
BS EN 1074-1:2000	Valves for water supply. Fitness for purpose requirements and appropriate verification tests General requirements
BS 5163-2:2004	Valves for waterworks purposes Stem caps for use on isolating valves and associated water control apparatus. Specification
BS EN 12163:2011	Copper and copper alloys. Rod for general purposes
BS EN 12164:2011	Copper and copper alloys. Rod for free machining purposes