🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS 750:2023 – TC

BS 750:2023 – TC

$217.84

Tracked Changes. Underground fire hydrants. Surface box frames and covers. Specification

Published By Publication Date Number of Pages
BSI 2023 100
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
1 30477682
61 A-30396868
65 Foreword
67 Introduction
1 Scope
2 Normative references
69 3 Terms and definitions
4 Fire hydrants
4.1 General
4.2 Type 1 fire hydrant
70 Figure 1 — Type 1 fire hydrant showing required dimensions
71 Figure 2 — Type 1 fire hydrant showing required dimensions (integral)
4.3 Type 2 fire hydrant
73 Figure 3 — Type 2 fire hydrant showing required dimensions
74 Figure 4 — Type 3 fire hydrant showing required dimensions (through-bore)
76 Figure 5 — Example of primary and secondary seals within the chambers
77 5 Outlets
78 Figure 6 — Screwed outlet (round thread) and outlet cap showing required dimensions
6 Stem drive
6.1 Dimensional and performance requirements
79 6.2 Closing direction
6.3 Stem termination
7 Draining system
8 Coating
9 Maintenance of water purity (potable water systems only)
10 Type requirements
10.1 General
10.2 Hydraulic characteristics
80 10.3 Load/deflection requirements of screwed outlets
10.4 Strength and leak tightness requirements of type 2a and type 2d screwed outlets – resistance of screwed outlets to rotational force
10.5 Resistance of fire hydrants to operating forces
10.6 Strength and leak tightness requirements of type 2a and type 2d bonnets – resistance of bonnets to rotational force
81 10.7 Endurance of the outlet
10.8 Air release
10.9 Obturator impact resistance
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
82 14 Surface box frames and covers
14.1 General
14.2 Grading
14.3 Materials
14.4 Manufacture, workmanship and coating
14.5 Design features
83 14.6 Frame depth and width
Figure 7 — Minimum bedding width of surface box frame showing required dimensions
14.7 Surface box cover lifting arrangement
84 Figure 8 — Prising bar dimensions
85 Figure 9 — Geometry of prising slots
86 Figure 10 — Detail of keyhole and key
15 Fire hydrant chamber alignment
16 Marking
17 Type requirements
87 18 Production requirements
Table 1 — Production test load requirements and acceptance criteria
19 Test certificate
88 Annex A (normative)  Type tests for fire hydrant strength, security and endurance
89 Figure A.1 — Load/deflection test apparatus
91 Annex B (normative)  Type hydrostatic tests for screwed outlets
92 Annex C (normative)  Air release test
Figure C.1 — Example arrangement of test apparatus
93 Annex D (normative)  Obturator impact resistance test
94 Annex E (normative)  Hydrant box cover opening procedure
Annex F (normative)  Type and production loading tests for surface box frames and covers
96 Annex G (informative)  Information to be supplied by the purchaser
97 Annex H (normative)  Alignment and depth of the hydrant in the chamber
Figure H.1 — Hydrant chamber offset (horizontal)
98 Figure H.2 — Hydrant chamber offset (vertical)
99 Bibliography

Related products

BS 750:2023 - TC
$217.84