Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. They are normally used as throttling valves to control flow.
SISTOMAT-PC type LAD Pneumatic diaphragm actuator, compact design, for direct installation on valves.
Available in single-acting design with opening / closing spring or in double-acting design; suitable for mounting limit switches or positionersto suit customer requirements, factory-mounted. Settings are adjusted duringfactory test run.
In building services, industrial plants, power stations; suitable for abrasive and aggressive products such as service water,waste water, acids, alkaline solutions, sludges and suspensions.