A signal butterfly valve is a flow control valve, belonging to the category of automatic control valves. It enables the control and regulation of media and has advantages such as small size, light weight, simple control principle, and long service life. The main components of a signal butterfly valve include the valve body, valve plate, actuation device, and position indicator. The valve plate is the main control component; its rotation controls the flow of the media. The actuation device converts electrical signals into mechanical motion, thereby adjusting the position of the valve plate, and the position indicator displays the valve's opening degree.
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Signal Butterfly Valve Technical parameters
Size Range:DN40-DN2000
Body Material:Carbon Steel/Stainless Steel/Cast lron/Ductile lron/ Al-Bronze
Connection Options:Flanged
Working Pressure: 1.0~1.6Mpa
Working Temperature:-29°C to 200°C
Manufacturing Method:Cast
Applicable Medium:Water, Oil, Gas, Air
Signal Butterfly Valve Features and Advantages
Small and Lightweight: signal butterfly valves have a simple and compact structure, are small in size and light in weight, and are easy to install and maintain.
Easy to operate: The valve plate rotation control is simple to operate and responds quickly; it can be opened and closed with a 90° rotation.
Excellent sealing performance: The use of high-quality sealing materials and design ensures the sealing performance of the valve, with zero leakage in gas tests.
Good regulation performance: The flow characteristics are close to linear, which can accurately control the fluid flow rate.
Long service life: It can withstand up to 10,000 opening and closing tests, reducing equipment replacement costs.
Flexible installation: It can be installed on pipelines in any location in space without having to consider the limitations of the installation location.
Signal Butterfly Valve Specification Parameters
| Item | Value |
| Warranty | 1 year |
| Type | Butterfly Valves |
| Customized Support | OEM, ODM |
| Place of Origin | China |
| Brand Name | Tanggong Valve |
| Application | General |
| Temperature of Media | Normal Temperature |
| Power | Manual |
| Media | Water |
| Structure | Butterfly |
| Product Name | Flange turbine signal butterfly valve |
| Body Material | Carbon Steel, Stainless Steel, Cast Iron, Ductile Iron, Al-Bronze |
| Connection | Wafer/Flanged/Grooved |
| Medium | Base Oil, Water, Gas |
| Size | DN40-DN2000 |
| Packing | Wooden Case |
| Color | Red |
| Working Pressure | 1.0-1.6 MPa (10-25 bar) |
| Operation | Handwheel, Worm Gear, Pneumatic, Electric-Motorized |
Signal Butterfly Valve Structural Components
- Valve Body: The main body of the signal butterfly valve, used to fix and support other components. It is typically made of ductile iron, stainless steel, or similar materials, offering good pressure resistance and corrosion resistance.
- Valve Plate: A butterfly-shaped valve plate that rotates to change the flow path of the medium, achieving valve opening and closing and flow regulation.
- Actuator: Used to drive the valve plate to rotate. Actuation methods include manual, electric, and hydraulic, with the appropriate method selected based on actual needs.
- Signal Device: A key component of the signal butterfly valve, used to monitor the valve status in real time and transmit status signals to the control system or alarm device. Signal transmission is typically achieved through electrical or mechanical means.
- Sealing Structure: A crucial part ensuring the valve's sealing performance, including O-rings and sealing rings. High-quality sealing materials and designs are used to ensure no leakage occurs when the valve is closed.
Signal Butterfly Valve Applications
- Fire Protection Systems: Signal butterfly valves play a crucial role in fire protection systems, preventing accidental closure of maintenance valves located upstream of flow indicators and ensuring the system's normal operation in emergencies.
- Industrial Automation: In industrial automation, signal butterfly valves are used to control fluid flow and pressure, ensuring stable operation of production processes.
- HVAC (Heating, Ventilation, and Air Conditioning): In HVAC systems, signal butterfly valves are used to regulate the flow of media, achieving comfortable indoor environmental control.
- Petroleum, Chemical, and Food Industries: Signal butterfly valves are also widely used in the petroleum, chemical, and food industries to control the flow and pressure of various fluids.
Signal Butterfly Valve factory

