BS 7291-1:2001
$142.49
Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings – General requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British�Standard |
| 3 | Contents |
| 7 | 1 Scope 2 Normative references |
| 8 | 3 Terms and definitions 3.1 flexible pipes 3.2 rigid pipes 3.3 barrier pipes 3.4 maximum system service temperature 3.5 nominal system flow temperature 3.6 system malfunction temperature 4 Classifications Table 1 Classification by application |
| 9 | 5 Dimensions 5.1 General 5.2 Wall thickness of pipes 5.3 Coatings 6 Performance 6.1 Effect of materials on the quality of drinking water 6.2 Effect of materials on reactivity of recirculated water |
| 10 | Table 2 Classification of service conditions 6.3 Long-term hydrostatic strength of pipes |
| 11 | Table 3 Circumferential stress values 6.4 Hydrostatic pressure resistance of fittings Table 4 Short term pressure test conditions 6.5 Resistance to thermal cycling of assembled pipes and fittings |
| 12 | Table 5 Thermal cycling test schedule 6.6 Resistance to cyclic pressure shock of assembled pipes and fittings 6.7 Opacity 6.8 Oxygen permeability 7 Marking and associated information 7.1 7.2 7.3 7.4 7.5 |
| 13 | 7.6 Figure 1 Designation of fittings |
| 14 | Annex A (normative) Method for determination of long-term hydrostatic strength A.1 Principle A.2 Apparatus and test temperature A.3 Test pieces A.4 Procedure Table A.1 Failure point distribution |
| 15 | A.5 Method of calculation A.5 1 A.5 2 A.5 3 A.5.4 |
| 16 | A.5.5 A.6 Interpolation A.7 Test report |
| 17 | Table A.2 Percentage points of Student’s t distribution (upper 2 |
| 18 | Annex B (normative) Method of test for hydrostatic pressure resistance of fittings B.1 Principle B.2 Apparatus B.3 Test assembly B.4 Procedure B.5 Test report |
| 19 | Figure B.1 Typical arrangement for hydrostatic pressure resistance test for fittings Annex C (normative) Method of test for resistance to thermal cycling C.1 Principle C.2 Apparatus |
| 20 | C.3 Test assembly C.3.1 General C.3.2 Systems using rigid pipes Figure C.1 Test assembly for systems based on rigid pipes |
| 21 | C.3.3 Systems using flexible pipes C.4 Procedure C.5 Test report |
| 22 | Figure C.2 Test assembly for systems based on flexible pipes Figure C.3 Configuration of bent flexible pipes for thermal cycle testing |
| 23 | Annex D (normative) Method of test for resistance to cyclic pressure shock D.1 Principle D.2 Apparatus D.2.1 D.3 Test assembly D.4 Procedure D.5 Test report |
| 24 | Figure D.1 Diagram of typical equipment arrangement for cyclic pressure shock test Annex E (normative) Method for determination of permeability to oxygen E.1 Principle E.2 Apparatus E.2.1 E.2.2 E.2.3 E.2.4 E.2.5 E.2.6 E.2.7 E.2.8 E.2.9 |
| 25 | E.3 Test piece E.4 Procedure E.5 Calculations E.6 Test report |
| 26 | Annex F (informative) Guidance on quality control testing |
