Honeywell Electric Butterfly Valve 250 mm – BSBFW16-250+NOM16H400 The BSBFW Actuated Wafer Type Butterfly Valves are suitable for heating and cooling applications. Technical Data Sheet Wide size range (DN 50…DN500) for PN16 type For On-Off Control Irreversible worm gear. Anti-condensation heater and 2 aux. limit switches on standard model Download PDF Now