HYDRAULICALLY / PNEUMATICALLY ACTUATED COUPLINGS & BRAKES HEID HLWHydraulic spring-loaded multi-plate coupling HEID HLOBHydraulic spring-applied multi-disc brake Data sheet HEID PLWPneumatic spring-loaded multi-plate coupling Data sheet Rexnord BSD Grupp&Stahl offers identical replacements for the following Rexnord BSD types: BSD 7000, 7300, 7500, 7600, 7700, 7110, 7120, 7130, 7210, 7220, 7230, 7900, 7910, 7920, 7930, 7900, 7900-…-100, 7920, 7920-…-100 Data sheet