BS 7838:1996:2001 Edition
$142.49
Specification for corrugated stainless steel semi-rigid pipe and associated fittings for low-pressure gas pipework of up to DN 50
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 30 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British�Standard |
| 3 | Contents |
| 5 | 1 Scope 2 References 3 Definitions bend radius coating cover |
| 6 | 3.4 Fittings capillary adaptor end-fitting connector manifold meter union strapped elbow push end-fitting screw end-fitting gasway manufacturer’s instructions nominal size (DN) non-chlorinated material retaining device |
| 7 | semi-rigid visible 4 Materials 4.1 Corrugated pipe 4.2 Coating or cover 4.3 Fittings (see� 4.4 Elastomeric seals |
| 8 | 4.5 Retaining device 5 Finish 5.1 Corrugated pipe 5.2 Fittings 6 Design and dimensions 6.1 Corrugated pipe |
| 9 | Table 1 Dimensions of corrugated pipe 6.2 Coating or cover 6.3 Fittings Figure 1 Jointing of corrugated pipe |
| 10 | 6.4 Threads 7 Soundness test 7.1 General Table 2 Application of soundness test |
| 11 | 7.2 Requirement 7.3 Method 8 Type tests on corrugated pipe (bare�metal) 8.1 General 8.2 Bend test Table 3 Bend test 8.3 Welded seam test |
| 12 | Figure 2 Bend test for corrugated pipe 8.4 Pressure drop test Table 4 Pressure drop test |
| 13 | 9 Type tests on corrugated pipe complete with coating or cover 9.1 General 9.2 Bend test 9.3 Impact test 9.4 Scratch resistance test 9.5 Chemical resistance test |
| 14 | Figure 3 Impact test 9.6 Low-temperature flexibility test 9.7 High-temperature ageing test |
| 15 | 9.8 Ozone resistance test 9.9 Ultraviolet resistance test 10 Type tests on test assemblies 10.1 General Table 5 End-fittings (basic sizes) for test assemblies — Bend test 10.2 Bend test |
| 16 | Figure 4 Bend test for corrugated pipe to end-fitting joint 10.3 Impact test 10.4 Tensile test |
| 17 | Table 6 Tensile test 10.5 Hydraulic pressure test 10.6 Fire resistance test |
| 18 | 10.7 Torsion test Table 7 Torsion test 10.8 Electrical resistance test Table 8 Electrical resistance |
| 19 | Figure 5 Torsion test 11 Type tests on fittings and seals 11.1 General 11.2 Assembly force test for push end-fittings 11.3 Assembly torque test for screw end-fittings |
| 20 | 11.4 Torsion test on internally threaded connection conforming to BS 21 (e.g. manifold connection) Table 9 Torsion and bending moment tests for fittings 11.5 Bending moment test on fittings with internally threaded connection conforming to BS�21 (e.g… 11.6 Assembly durability test on elastomeric seals 11.7 Test for liquid penetration on corrugated pipe supplied with cover |
| 21 | 11.8 Test for excessive residual stress |
| 22 | 12 Production test on corrugated pipe 12.1 General 12.2 Requirement 12.3 Method 13 Marking 13.1 Corrugated pipe 13.2 Fittings 14 Instructions for assembly and installation |
| 23 | Annex A (normative) Installation Installation procedures Compatible products Pipe sizes Seals Pipe supports and appliance connection Connections to copper pipe Annex B (informative) Guidance on quality-control testing |
| 24 | Table B.1 Applicability of requirements and test methods |
| 25 | Table B.1 Applicability of requirements and test methods |
| 26 | Annex C (informative) Sizes of fittings |
