The Luxaire® Acclimate™ modulating gas furnace has been designed to provide a “total comfort system.” Featuring a fully modulating valve, it maintains constant temperature instead of fluctuating like ...

Scope This standard provides basic requirements for pneumatic valve actuators of the double-acting and single-acting types, used for on-off and modulating valve duties. It includes guidelines, ...

Scope This subcommittee work applies to all rotary or reciprocating, on off or modulating valves with actuation. It also includes positioners and transducers as applicable. It provides a standard for ...