The butterfly valves type 12c are designed for air and non-aggressive purified gases flow control in gas and air pipelines of boiler unit.
Full opening of the gate corresponds to turning the disc by 90° from the closed position.
Connection to pipework: flanged.
Installation position: on horizontal and vertical pipeline sections.
Climatic design: ?, ???, ??, ? according to GOST 15150-69.
Placement category: 2, 3 according to GOST 15150-69.
Regulation is carried out by changing the area of the passage section when turning the disc with the help of actuators:
- ???? type, mounted on the upper trunnion;
- ??? type through a lever.
Full opening of the gate corresponds to rotation of the disc by an angle of 90º from the closed position.
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