BS 3381:1989

Specification for spiral wound gaskets for steel flanges to BS 1560. | Status: Confirmed, Current

1 Scope This British Standard specifies the materials, dimensions, marking and packaging of spiral wound gaskets for use with flat face and raised face steel flanges complying with BS 1560‑3.1 for Class designations 150, 300, 600, 900 and 1 500 for nominal size designations up to and including 24, and for Class designation 2 500 up to and including nominal size 12.

NOTE 1 The titles of the publications referred to in this standard are listed on the inside back cover.

NOTE 2 Dimensions of other types of gaskets for use with flanges complying with BS 1560‑3.1, BS 1560‑3.2 and BS 1560‑3.3 are given in BS 7076‑1 to BS 7076‑4.

NOTE 3 Dimensions of spiral wound gaskets for use with flanges to BS 4504‑3.1 are given in BS 4865‑2.1.

NOTE 4 To assist the purchaser, information that should be supplied by the purchaser when making an enquiry or order for gaskets complying with this standard is given in Appendix A.