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BSI
BS 4825-4(1991) : 1991

BS 4825-4(1991) : 1991

Current

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1991

Publisher

British Standards Institution

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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PDF - English
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