Type UNA 47 and UNA 47 MAX ball float steam traps are used to discharge condensate from steam or other gases or gaseous mixtures. Models with SIMPLEX control unit are particularly suited to cold condensates, cold distillates and superheated steam.
UNA 47 with SIMPLEX control unit are controlled by the float with rolling ball regulator.
UNA 47 MAX with SIMPLEX control unit are controlled by the float with pilot valve and bellows.
Models with DUPLEX control unit also vent the system.
This control unit is especially suitable for steam systems.
UNA 47 with DUPLEX control unit have an additional temperature-dependent bimetallic vent, and are also suitable for superheated steam.
UNA 47 MAX with DUPLEX control unit have an additional temperature-dependent vent with membrane regulator capsule.
In these models, the overheating of the steam on the membrane regulator capsule must not exceed 5 K.
The cover has four holes.
You can lift the ball float manually using the optional manual lifting lever.
The optional manual vent valve allows you to vent the equipment and pipe manually.
The equipment may only be used within the admissible pressure and temperature ratings, with due consideration of chemical and corrosive influences.
https://www.gestra.com/global/en-GES/products/steam-traps/una-ball-float-steam-traps
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