Product Description
A stainless steel butterfly valve is a type of industrial valve used to control the flow of fluids, such as liquids and gases, in pipelines. It is called a "butterfly valve" because of the rotating disc or "butterfly" inside the valve, which acts as the flow control element. Stainless steel is the material used to construct the valve, making it resistant to corrosion and suitable for various applications, especially those involving corrosive or sanitary fluids.
Here are some key features and components of a stainless steel butterfly valve:
1. Body: The main structure of the valve, typically made of stainless steel, which provides a conduit for the fluid.
2. Disc (Butterfly): The disc is a flat, circular plate positioned in the center of the valve. When the valve is operated, the disc rotates to control the flow.
3. Stem: The stem is connected to the disc and allows for the actuation of the valve (opening and closing). It may be operated manually, electrically, pneumatically, or hydraulically.
4. Seat: The seat is the surface against which the disc seals when the valve is closed, preventing the fluid from flowing. It is often made of elastomeric materials or metal.
5. Actuator: The actuator is the mechanism that provides the force to operate the valve. It can be manual (hand-operated), electric (motor-driven), pneumatic (air-driven), or hydraulic (fluid-driven).
Stainless steel butterfly valves are known for their durability and resistance to corrosion, making them suitable for a wide range of applications, including those in the chemical, pharmaceutical, food and beverage, and water treatment industries. They are often used when quick shutoff is not required, and throttling or flow control is the primary concern.
Stainless steel butterfly valves come in different designs, including wafer-style, lug-style, and flanged, and can be categorized as either high-performance or general-purpose valves, depending on their design and capabilities. The choice of a specific valve type depends on the application's requirements, such as pressure, temperature, and flow rate.
Stainless Steel Butterfly Valve Specifications:
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Size Range
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2-1/2"WAFER
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Disc Materials
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(SS 316)
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Stem Materials
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SS 410
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Pressure Class
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PN16
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Body Materials
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WCB (Cast Steel)
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Temperature
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-5 to 120 degree centigrade
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End Connection
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WAFER - API 609 (CAT - A)
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Standard
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API 609, BS 5155, ISO 5211, API 598
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Seat Materials
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EPDM
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Applications
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High Pressure, HVAC
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Actuator Size
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50 MM
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Actuator Body
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Hard Anodized Aluminum
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Mounting Standard
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ISO 5211
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Torque Min & Max
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Min. 16 NM @ 3 bar to Max. 38 NM @ 7 Bar
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Movement
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Rotary - 90 Degree
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Features
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ANSI B16.5 150#, BS10 Table E, Table F, Table H, Flange Accommodation.
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