Features

Double seal, cartridge design, direction of rotation-dependent, multi-spring. BPD seal requires application of buffer or barrier liquid installation. The seal acc. to EN ISO 21049 (API 682): type A, category 2 or 3, arrangement 2 or 3, configuration 2CW-CW or 3CW-FB.

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Installation example Click to enlarge the picture

Applications

The BUV is a double mechanical seal used for media contaminated with particulate solids, especially, e.g., crude oil and polluted hydrocarbons.

BUV seal requires auxiliary installations acc. to API 682 (EN ISO 21049), Plan: 11/52, 11/53A, 12/52, 12/53A, 13/52, 13/53A.