What is a buttefly ball valve ?

A ball valve butterfly handle is a specific type of handle used to operate a ball valve. It is designed in the shape of a butterfly, hence the name. Here are some key features and information about the ball valve butterfly handle:

1. Design: The butterfly handle resembles the shape of a butterfly with its wings or discs extending from a central pivot point. It typically consists of a flat or slightly curved metal or plastic handle.

2. Operation: The ball valve butterfly handle is used to manually open or close the ball valve. When the handle is turned perpendicular to the flow, it indicates a closed position, and when it is turned parallel to the flow, it indicates an open position.

3. Quarter-turn operation: Like most ball valves, the ball valve butterfly handle operates on a quarter-turn principle. This means that a 90-degree rotation of the handle is all that is required to fully open or close the valve.

4. Handle position indication: The butterfly handle design often provides visual indication of the valve's position. For example, when the handle is aligned with the pipe or flow, it indicates an open position, and when it is perpendicular to the pipe or flow, it indicates a closed position.

5. Ergonomics: The butterfly handle is designed with ergonomics in mind, offering a comfortable grip and ease of operation. The flat or curved shape of the handle allows for easy turning and control of the valve.

6. Durability: Butterfly handles are typically made from durable materials such as metal or high-quality plastic to withstand the rigors of regular use and provide long-lasting performance.

7. Versatility: Ball valve butterfly handles are commonly used in various industries and applications, including plumbing systems, industrial processes, water treatment, and more. They are often found in large-sized ball valves due to their ease of operation and the leverage they provide.

Components of ball valves

1. Body: The body is the main outer casing of the ball valve. It provides the structure and houses the internal components. The body is usually made of materials such as brass, stainless steel, or PVC, depending on the application and the fluid or gas being handled.

2. Ball: The ball is a spherical component inside the valve body that controls the flow. It has a hole, known as the bore or port, in the center. When the ball is rotated, the bore aligns with the flow path, allowing fluid or gas to pass through, or blocks the flow path when the bore is perpendicular to the flow, closing the valve.

3. Seat: The seat is a sealing element that forms a tight seal between the ball and the body when the valve is closed. It is typically made of materials such as PTFE (polytetrafluoroethylene) or other resilient materials that can withstand pressure and provide reliable sealing.

4. Stem: The stem is a shaft that connects the handle or actuator to the ball. When the handle is turned or the actuator is operated, the stem rotates, causing the ball to rotate and control the flow of fluid or gas.

5. Seals: Various seals or O-rings are used to prevent leakage around the stem and other areas where components meet. These seals help ensure a tight seal when the valve is closed and prevent fluid or gas from leaking out.

6. Handle or Actuator: The handle or actuator is the component used to manually or automatically operate the valve. In manual ball valves, a handle is used to turn the valve, while in automated ball valves, an actuator (such as electric, pneumatic, or hydraulic) is used to control the valve remotely.

7. Connections: Ball valves have inlet and outlet connections that allow the valve to be connected to the piping system. These connections can be threaded, flanged, or welded, depending on the specific design and application requirements.

Additional components such as stem seals, thrust washers, stem bearings, and packing glands may be present in certain ball valve designs to enhance performance, reduce friction, and ensure smooth operation.

It's important to note that while these components are common in most ball valves, specific designs may vary depending on factors such as valve type (full port or reduced port), size, pressure rating, and intended application. Consulting the manufacturer's documentation or seeking professional advice is recommended to understand the specific components and their functionality for a particular ball valve.

FAQ

Q: How long is your product guarantee period?
A: We have Two years guarantee and 24 hours full-time service.

Q: What is your MOQ?
A: Normal Each Items 3000pcs MOQ.

Q: Can you accept OEM,ODM?
A: we accpet OEM.

Q: How long is your delivery time?
A: 30-35 days After Confirm Order
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