🔥🔥 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 8561:2021

BS 8561:2021

$142.49

Specification for mechanical fittings for use in the repair, connection and renovation of pressurized water supply pipelines. Requirements and test methods

Published By Publication Date Number of Pages
BSI 2021 28
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
5 Foreword
7 Section 1: General
1 Scope
2 Normative references
8 3 Terms and definitions
10 4 Material characteristics
4.1 Effect on water quality
4.2 Materials
11 Table 1 — Materials for fitting body or components
4.3 Elastomers
4.4 Corrosion protection measures
5 General requirements
12 Section 2: Mechanical fittings for polyethylene barrier pipe
6 Dimensional requirements
6.1 Dimensions of couplings
6.2 Dimensions of flanged joints
7 Performance requirements
7.1 General
7.2 Test conditions
7.3 Hydrostatic pressure test for leak tightness under positive internal pressure
13 Table 2 — Parameters for long term test at elevated temperature
Table 3 — Parameters for short term test at elevated temperature
Table 4 — Parameters for short term test at 20 °C
7.4 Leak tightness of joints under negative internal pressure
7.5 Pull out performance
14 8 Marking for mechanical fittings for polyethylene barrier pipe
8.1 Marking
8.2 Additional information
15 Section 3: Mechanical fittings for use in the repair, connection, and renovation of pressurized water supply pipelines
9 Dimensional requirements
9.1 Dimensions of fittings
9.2 Dimensions of flanged joints
10 Performance requirements
10.1 General
16 10.2 Test assembly
Table 5 — Test assemblies
18 Figure 1 — External profile of grooved steel/ductile pipe: surface defects
19 Figure 2 — Test assembly for all fittings excluding flange adaptors
Figure 3 — Test assembly for flange adaptors
20 Table 6 — Minimum angular deflection of a flexible joint
10.3 Test conditions
10.4 Performance requirements
22 11 Marking and additional information for mechanical fittings connecting, repairing and renovating water supply pipes
11.1 Marking
11.2 Additional information
23 Annex A (normative)  Strength and resistance to distortion test
24 Table A.1 — Flange bolt torque in Nm [1.5 × nominal torque to seal at the respective flange (PN and DN)]
25 Annex B (informative)  Test matrix for mechanical fittings for use in the repair, connection, and renovation of pressurized water supply pipelines
Table B.1 — Test matrix for wide tolerance coupling, wide tolerance stepped coupling, wide tolerance flange
Table B.2 — Test matrix for repair clamp, joint encapsulation, UPT with full pipe surface contact sealing
26 Table B.3 — Test matrix for UPT with local sealing
27 Bibliography

Related products

BS 8561:2021
$142.49