Wafer Type Pneumatic Actuated Butterfly Valve KV-17
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708030521030TEA-300
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Wafer Type Single Acting Pneumatic Actuated Butterfly Valve
The Wafer-Type Single-Acting Pneumatic Actuated Butterfly Valve, offered by ORFA Industrial Products Industry and Trade Inc. , is an excellent flow control solution for industrial applications. These valves operate with a mechanism in which a disc-shaped closing element rotates around a shaft positioned vertically. The disc, rotating around the shaft, opens or closes the pipe section, and this movement ensures flow control. Sealing is achieved between the metal clapper and the elastic or plastic sealing elements lining the valve body. These elements also serve as a gasket on the flange between the valve and the pipe.
Product Features
Body Material: GGG-40.3 Ductile Iron
Valve Material: Aluminum Bronze
Shaft Material: AISI 420 Stainless Steel
Gasket Material: NBR
Maximum Operating Temperature: 90 ºC
Working Pressure: P16 (DN 40-300) / PN10 (DN 350-600)
Flange Pressure Class: PN16
Connection Type: Wafer Type
Nominal Diameters: DN 40-300 (PN16) - DN 350-600 (PN10)
Technical Information
Sealing: Wafer-type butterfly valves provide high sealing with elastic or plastic sealing elements. These elements also function as flange gaskets, ensuring a secure connection.
Disc and Shaft: The disc is made of aluminum bronze, providing high durability and corrosion resistance. The shaft is made of AISI 420 stainless steel, ensuring long-lasting use and durability.
Actuator: A single-acting pneumatic actuator ensures quick and reliable valve opening and closing. These actuators are noted for their energy efficiency and low maintenance requirements.
Reducer: The use of a reducer is recommended for all diameters and is only produced with a reducer for diameters over DN300.
Wafer Type Single Acting Pneumatic Actuated Butterfly Valve Working Principle
The Wafer-Type Single-Acting Pneumatic Actuated Butterfly Valve is a high-performance valve type commonly used in industrial flow control systems. Its operating principle is based on the effective use of the pneumatic actuator and butterfly disc mechanism. In this article, we will discuss the detailed operating principle of this valve.
1. Basic Working Mechanism:
Wafer Type Single Acting Pneumatic Actuated Butterfly Valve consists of two main components: the butterfly valve body and the pneumatic actuator.
Butterfly Valve Body: A butterfly valve contains a disc that controls flow in the pipeline. This disc is attached to the valve stem and rotates around it. When opened, the disc allows flow and when closed, it stops flow.
Pneumatic Actuator: A pneumatic actuator is a device that opens and closes a valve. Single-acting actuators operate with air pressure in one direction (opening or closing) and are returned in the other direction by a spring mechanism.
2. Working Principle of Pneumatic Actuator:
A pneumatic actuator uses compressed air to provide mechanical action. In single-acting actuators, air pressure is applied in only one direction, compressing the spring to open or close the valve.
Opening Process: When air pressure is applied to the actuator, the air pushes the piston, rotating the valve disc and opening the valve. During this process, the spring is compressed.
Closing Action: When air pressure is removed, the compressed spring is released and pushes the piston back. This action returns the valve disc to its initial position, closing the valve.
3. Butterfly Valve Mechanism:
A butterfly valve consists of a disc that rotates around the shaft. This disc is attached to the valve body by elastic or plastic sealing elements. The disc's rotation controls flow.
Disc Position: When the disc is fully open, flow passes freely. In the fully closed position, the disc completely stops flow.
Sealing: Sealing elements are located between the disc and the valve body, ensuring high sealing. These elements also act as flange gaskets, ensuring a secure connection.
4. Wafer Type Connection:
Wafer-type butterfly valves are easily installed in the pipeline. They are placed between two flanges and secured with bolts. The wafer-type connection's compact design saves space and simplifies installation.
5. Advantages:
Wafer Type Single Acting Pneumatic Actuated Butterfly Valve has many advantages:
Quick and Easy Opening and Closing: Thanks to the pneumatic actuator, the valve opens and closes quickly and easily.
Low Pressure Loss: The disc structure of butterfly valves provides low pressure loss.
High Sealing: Elastic or plastic sealing elements provide high sealing.
Compact Design: Wafer type connection saves space and is easy to install.
Areas of Use:
Wafer Type Single Acting Pneumatic Actuated Butterfly Valve can be used in a wide range of industrial applications:
Water and Wastewater Management: Used in water treatment plants, wastewater plants and general water distribution systems.
Petrochemical Industry: Ideal for the safe and effective transport and control of chemicals.
Food and Beverage Industry: Thanks to its hygienic design and material properties, it is preferred in food and beverage production lines.
HVAC Systems: Used in heating, ventilation and air conditioning systems.
Power Plants: Suitable for controlling steam, gas and water flow in power generation facilities.
The Wafer-Type Single-Acting Pneumatic Actuated Butterfly Valve, offered by ORFA Industrial Products Industry and Trade Inc. , is an ideal solution for industrial flow control applications with its high performance, reliability, and durability. This valve, which has a wide range of applications, stands out with its high sealing performance and low pressure loss.
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