Butt-welded butterfly valves are a type of industrial valve used to control the flow of fluids (liquids or gases) through a pipe system. They are designed for applications where a tight shut-off is not required and moderate flow control is needed. These valves are typically used in industries such as oil and gas, chemical processing, water treatment, and more.
The term "butt-welded" refers to the method of connecting the valve to the pipeline. Butt welding involves joining two pieces of metal by welding their ends together. In the case of butt-welded butterfly valves, the valve body has ends that are designed to be welded directly to the pipeline, creating a secure and leak-tight connection.
Here are some key features and components of butt-welded butterfly valves:
Body: The main housing of the valve that contains the disc and stem assembly. It is available in various materials such as cast iron, stainless steel, carbon steel, and others.
Disc: The disc or "butterfly" is the component that rotates within the valve body to control the flow. When the disc is turned parallel to the flow direction, it allows for maximum flow. Rotating the disc perpendicular to the flow direction closes the valve.
Stem: The stem is connected to the disc and is responsible for transmitting the rotational motion from the actuator to the disc. It protrudes from the valve body and may have extensions for manual operation or actuator attachment.
Actuator: The actuator is the mechanism used to control the valve's opening and closing. It can be manual (handwheel, lever) or automated (electric, pneumatic, hydraulic) depending on the application and required level of control.
Seals: Sealing materials are used to ensure a tight shut-off when the valve is closed. Common seal materials include elastomers like EPDM, Nitrile, or Viton, which provide resistance to different types of fluids and operating temperatures.
Lining: In some cases, the inner surface of the valve body may be lined with a material that is compatible with the fluid being transported. This is particularly important for corrosive or abrasive media.
Size and Pressure Rating: Butt-welded butterfly valves come in various sizes and pressure ratings to suit different piping systems and applications.
Application: These valves are often used in applications where flow control is required, but absolute shut-off is not crucial. They are suitable for controlling the flow of relatively clean fluids and can handle both on/off and modulating control.
It's important to note that specific designs and features may vary based on manufacturer, application, and industry requirements. When selecting a butt-welded butterfly valve, factors such as the type of fluid, pressure, temperature, and operational environment should all be carefully considered to ensure proper functionality and longevity.
|Buttwelded Butterfly Valves Specification|
|Pressure Range||Class 150 ～Class300;PN10 ～PN40|
|Body material||Carbon Steel, Stainless Steel & Other Materials|
|Sealing Material||Stainless steel,hard alloy& Other Materials|
|Connection Type||Butt weld|
|Pressure test:||GB/T13927; API598|
|Structure length||GB/T12221; API609|
|Jointing dimension||GB/T12224; ANSI B16.25|
|Operating method||Worm gear,electric,pneumatic|
|Duplex Steel Buttwelded Butterfly Valve Price||$ 92.35 - $ 135|
|Buy Buttwelded Butterfly Valves Best Price||$ 85.20 - $ 80|
|Triple Offset Butt Welded Butterfly Valves Price||$ 68.34 - $ 35|
|Stainless Steel Buttwelded Butterfly Valve Best Price||$ 78.57 - $ 32|
|Super Duplex Steel Buttwelded Butterfly Valve Price||$ 57.35 - $ 55|
|Sanitary Butt-weld Butterfly Valve Price||$ 46.26 - $ 35|
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|Buttwelded Butterfly Valve Manufacturer||SDSS Buttwelded Butterfly Valves|
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|DSS Butt Welded Sanitary Butterfly Valve||Buttwelded Butterfly Valves Manufacturer in Mumbai|
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|High Quality Buttwelded Butterfly Valve||D361H Butt weld hard seat butterfly valve|
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Oil & Gas Industry
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