BS 4825-4(1991) : 1991
Current
The latest, up-to-date edition.
STAINLESS STEEL TUBES AND FITTINGS FOR THE FOOD INDUSTRY AND OTHER HYGIENIC APPLICATIONS - PART 4: SPECIFICATION FOR THREADED (IDF TYPE) COUPLINGS
Hardcopy , PDF
English
01-01-1991
Committees responsible
Foreword
1 Scope
2 Information to be supplied by the purchaser
3 Definitions
4 Symbols
5 Design
6 Materials
7 Dimensions and tolerances
8 Surface finish
9 Assembly
10 Hygiene
11 Manufacturer's certificate
Appendix A - Essential information to be supplied by the
purchaser in the enquiry and/or order
Appendix B - Purchaser options
Appendix C - Trapezoidal threads intended for threaded couplings
Appendix D - Cross section of threaded coupling assemblies
Appendix E - Grooves for expanded type male parts and liners
Appendix F - Lock rings for expanded type male parts and liners
Appendix G - Guide for expanding with straight tube
Appendix H - Effect of non-metallic products on water quality
Appendix J - Marking
Publication(s) referred to
Provides the dimensions, tolerances, surface finish, materials, assembly and hygienic requirements for welded and expanded type male parts and liners, and nuts and seals for threaded IDF fittings for hygienic applications.
| Committee |
PSE/8
|
| DevelopmentNote |
Supersedes BS 4825-4(1977) & 88/72922 DC. (07/2005) 1991 Edition Re-Issued in August 2009 & incorporates AMD 1 2009. Supersedes 09/30194306 DC. (09/2009)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| EN 13312-2:2001 | Biotechnology - Performance criteria for piping and instrumentation - Part 2: Couplings |
| EN 13312-4:2001 | Biotechnology - Performance criteria for piping and instrumentation - Part 4: Tubes and pipes |
| BS EN 13312-2:2001 | Biotechnology. Performance criteria for piping and instrumentation Couplings |
| BS PD5500(2006) : 2006 | SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS |
| BS EN ISO 6506-1:2014 | Metallic materials. Brinell hardness test Test method |
| BS EN ISO 6508-1:2015 | Metallic materials. Rockwell hardness test Test method |
| BS EN ISO 6507-1:2005 | Metallic materials. Vickers hardness test Test method |
| ISO 2853:1993 | Stainless steel threaded couplings for the food industry |
| BS EN 20286-1:1993 | ISO system of limits and fits ISO system of limits and fits. Bases of tolerances, deviations and fits |
| BS ISO 48:2010 | Rubber, vulcanized or thermoplastic. Determination of hardness (hardness between 10 IRHD and 100 IRHD) |
| BS 4825-1(1991) : 1991 | STAINLESS STEEL TUBES AND FITTINGS FOR THE FOOD INDUSTRY AND OTHER HYGIENIC APPLICATIONS - PART 1: SPECIFICATION FOR TUBES |
| BS EN 20286-2:1993 | ISO system of limits and fits ISO system of limits and fits. Tables of standard tolerance grades and limit deviations for holes and shafts |
| BS EN 10204:2004 | Metallic products. Types of inspection documents |
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