Pneumatic Wafer Type Soft Back Butterfly Valve

1. Valve Body

Function: The valve body houses all the internal components and is designed to fit between two pipe flanges. The wafer design makes it compact and easy to install.

Features:

• Material: Typically made from durable materials such as stainless steel, cast iron, or PVC, depending on the application.
• Design: Slim profile reduces space requirements and overall weight, making it suitable for applications where space is limited.

2. Disk

Function: The disk is the primary component that regulates flow. It rotates to either allow flow through the valve or block it.

Features:

• Material: Often made from stainless steel or other corrosion-resistant materials to ensure longevity.
• Operation: The disk's rotation is controlled by the actuator, which moves it to the open or closed position.

3. Soft Back Seat

Function: The soft back seat provides a tight seal between the disk and the valve body, preventing leaks.

Features:

• Material: Typically made from flexible materials such as EPDM, PTFE, or other elastomers that can withstand various temperatures and chemical exposures.
• Sealing: The flexible nature of the seat ensures it conforms to the disk, providing an effective seal even in low-pressure applications.

 

 

 

 

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