Flow regulator and its use

摘要: The invention concerns a flow regulator, intended for gaseous substances, in particular air air-conditioning and ventilation installations, maintaining the volumetric of substance at desired magnitude with sufficient accuracy when differential pressure acting across regulator varies within limits. comprises an envelope regulating member disposed passage confined by envelope. is provided limiter members limiting range said being to restrict movement member. limiters are adjustable and/or self-adjusting. has scale setting members.