Application  

Triple-eccentric flanged butterfly valves are industrial valves, which are designed to fully open or close a passage of the working medium flowing through a pipeline. They can also be used for flow-control purposes. However, a 100% tightness of the valve cannot be guaranteed in a long-term use for control purposes. 


TDS

Working medium  

  • waste and service water  
  • drinking water  
  • hot water  
  • steam  
  • non-aggressive liquids and gases  
  • (natural gas, CO-gas, petroleum products, etc.)  

Butterfly valves is possible to deliver with surface protection which is done by coverage with plastic material (rilsan, halar). This surface protection together with the use of stainless steel material is widening the usage of butterfly valves for chemically aggressive or abrasive media and sea water.

 

Maximum working temperature:

    A maximum working temperature of the butterfly valve is +400 °C, by agreement up to +550 °C and depends on the body material used.



    Operation

    • manual gear-box
    • electric actuator
    • pneumatic or hydraulic actuator
    • remote control from stand
    Testing
    The valves are tested according to EN 12 266-1, EN 12 266-2,  EN 13 3060-2.


    Connection to piping
    • wafer type acc. to EN 1092-1, face to face dimensions acc. to EN 558-1, Series 16, 20, 25 
    • flanged ends acc. to EN 1092-1, face to face dimensions acc. to EN 558-1, Series 13, 14, 16 
    • welded ends acc. to ČSN 13 1075, EN 12 627, face to face dimensions acc. to EN 558-1, Series 14 Other face to face and connecting dimensions are acc. to the customer´s requierement, e.g. GOST, ANSI.
    Installation
    The butterfly valves can be mounted into horizontal, vertical or inclined pipeline so that the arrow stamped on the valve body corresponds with the direction of the tightness (arrow points from higher pressure to lower when the disc is closed), and the rotating axe of the disc is in a horizontal position. The bolt type at the pivot area is also very important. When there is a butterfly valve with electric actuator it is important to abide the actuator’s manufacturer.

    Valves Specification
    Actuation Electric actuator, Pneumatic or hydraulic actuator, gear-box, ISO top-flange;
    Connection Flanged type;
    DN: 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000 ;
    PN: 6,10,16,25,40,63,100;
    Seal Material Graphite;
    Tmax 550 °C ;
    Valve Type L32.8; Flanged
    General specification
    Applications: Triple-eccentric flanged butterfly valves are industrial valves, which are designed to fully open or close a passage of the working medium flowing through a pipeline. They can also be used for flow-control purposes. However, a 100% tightness of the valve cannot be guaranteed in a long-term use for control purposes.

    Applications

    • Industrial Applications
    • Chemical Processing
    • Oil & Gas Industry

    FAQ

    What materials are used in the construction of the valve?
    The valve is typically constructed from high-quality materials such as stainless steel or carbon steel, ensuring durability and resistance to corrosion.
    What is the pressure rating of the valve?
    The pressure rating of the valve varies depending on the specific model, but it is designed to handle high-pressure applications effectively.
    How is the valve installed in a pipeline?
    The valve is installed using flanged connections, ensuring a secure and leak-proof fit within the pipeline system.
    EXPERT ADVICE: Ensure proper alignment and torque specifications during installation to achieve optimal performance and longevity of the valve.

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    Tags: Triple-Eccentric, Butterfly, Valve, Flanged, type