BS 4371:1991

Committees responsible
Foreword
1 Scope
2 Shape and cross section
3 Size
4 Packaging
5 Marking
6 Type A: Lubricated plaited cotton packing
7 Type B: Lubricated plaited bast fibre packing
8 Type C: Lubricated plaited or braided asbestos
   packing
9 Type E: Plaited or braided asbestos packing,
   metallic wire reinforced
10 Type H: Lubricated PTFE dispersion impregnated
   plaited or braided asbestos yarn packing
11 Type J: Lubricated, PTFE dispersion impregnated
   plaited or braided aramid yarn packing
12 Type K: Lubricated, PTFE dispersion impregnated
   plaited or braided PTFE yarn packing
13 Type L: Lubricated, plaited or braided packing or
   graphited PTFE yarn
14 Type M: Loose fibre packing (non-asbestos)
Appendix A - Methods of test
Appendix B - Information to be supplied by the purchaser
Publication(s) referred to

Description, materials, lubricants, size, mass, packaging and marking of nine types of fibrous gland packings.

This British Standard specifies the description, materials, lubricants, size, mass, packaging and marking of nine types of fibrous gland packings. Tests are specified for the determination of lubricant content, size, mass and ignition loss (see Appendix A).

NOTE 1 This standard does not specify electrical cable gland packings.

NOTE 2 Table 1 gives guidance on the normal usage of the nine types of fibrous gland packings specified in this standard. The purchaser should state in his enquiry or order the type of packing (see Appendix B).

NOTE 3 The titles of the publications referred to in this standard are listed on the inside back cover.

NOTE 4 The information to be supplied by the purchaser at the time of enquiry and/or order is given in Appendix B.