Flanges and their joints - Dimensions of gaskets for Classdesignated flanges - Part 2: Spiral wound gaskets for use with steel flanges
Description:
This standard specifies the dimensions, design, types, designation, materials and marking of spiral wound gaskets for use with type A flat face or type B raised face flange facings complying with EN 1759-1 for Class designations Class 150, to Class 1 500 for nominal sizes DN 15 to DN 600 and for Class designation 2 500 up to and including DN 300. The centering rings for the spiral wound gaskets according to this standard are sized for use with imperial bolting. The dimensions of spiral wound gaskets for tongue and groove flange facing types and spigot and recess flange facing types to EN 1759-1 are not included in this standard. NOTE 1 Such gaskets may be available, however, for these types of flanges and the purchaser is advised to consult the manufacturer as to their availability. Similarly, for slip-on or screwed flange types the manufacturer should be consulted about availability. NOTE 2 Dimensions of other types of gaskets for use with flanges complying with EN 1759-1 are given in EN 12560-1, EN 12560-3, EN 12560-4 and EN 12560-5, EN 12560-6 and EN 12560-7. WARNING - Gaskets made to this standard may contain asbestos. Materials containing asbestos may be subject to legislation that requires precautions to be taken when handling them to ensure that they do not constitute a hazard to health (see annex A). Attention is drawn to relevant EC directives.
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