4800 Butterfly Valve

Sanitary butterfly valves, whether manually or automatically actuated, can be used in most liquid product applications in the food-processing, pharmaceutical and chemical industries.

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4800 Butterfly Valve

    Operating principle

    The butterfly valve can be operated automatically through an actuator or manually with a handle.
    The handle blocks the valve in the “open” or “closed” position, although there are also other models with intermediate positions.
    The actuator transforms the axial movement of the piston into a 90º rotary movement which it transmits to the disc.

    Design and features

    Compact and robust design.
    Multi-position handle as standard feature for valves up to DN-100/4″.
    Two-position handle as standard feature for valves starting from DN-100/4″.
    Several models of easily interchangeable manual handles and pneumatic or electric actuators.
    Low pressure losses.
    Body halves interchangeable with any connection type.
    Connections: DIN 11850.
    Traceability of components.


    Disc and body halves: AISI 316L (forged)
    Handle: AISI 304 / PP
    Other st.st. parts: AISI 304
    Gasket: EPDM according to FDA 177.2600
    Internal surface finish: Ra ≤ 0,8 µm
    External surface finish: Machined


    Valve in AISI 304.
    Gaskets: NBR, VMQ or FPM.
    Connections: Clamp, SMS, RJT, FIL-IDF, etc.
    Two sizes for multi-position handle.
    Handles: two-position, lever, micrometric, with safety lock, etc.
    Electric actuator or single- or double-acting actuator, the size is determined by the operating torque of the valve.
    Electro-pneumatic positioner.
    Inductive position sensors.
    C-TOP control unit (inductive position sensors or microswitches).
    ATEX version available.


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