An electric flanged ball valve is a valve driven by an electric actuator, combining the rapid opening and closing characteristics of a ball valve with the stability of a flange connection. It is widely used in scenarios requiring remote control or automated regulation. Its core function is to use electricity to drive the valve core to rotate, thereby achieving the on/off switching of the medium or flow regulation. It is particularly suitable for industrial fields with high requirements for sealing performance, corrosion resistance, and environmental adaptability.
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Electric Flange Ball Valve Technical parameters
Size Range: DN15-DN300
Pressure Range: PN16-PN40
End Connection: Flanged
Material: Stainless Steel, Carbon Steel
Seals: PTFE, Graphite
Valves Design: Electric Flange Ball Valve
Face to Face: ISO 5752, EN 558
End Connection: ASME B16.5, ISO 7005
Testing & Inspection: API 598, ISO 5208
Suitable Medium: Water, Oil, Gas, Steam
Electric Flange Ball Valve Features and Advantages
- Low Fluid Resistance: Among all valve types, ball valves have the lowest fluid resistance; even reduced-bore ball valves exhibit relatively low fluid resistance.
- Easy Operation: Electric flange ball valves are driven by an electric motor, enabling remote and automated control. Operation is simple and quick, and the electric actuator's relatively fast execution speed significantly saves manpower and time.
- Reliable Sealing: The sealing rings, made of elastic materials such as PTFE, are easy to seal, and the valve's sealing capacity increases with increasing medium pressure. Simultaneously, the stem seal is reliable; since the stem only rotates and does not move up and down, the stem packing seal is not easily damaged.
- Long Service Life: Due to the excellent self-lubricating properties of materials such as PTFE, friction loss with the ball is low, resulting in a long service life for the ball valve.
- Wide Applicability: Electric flange ball valves are suitable for various fluid media, including gas, water, and oil, and can operate under harsh conditions such as high temperature, high pressure, and corrosion.
Electric Flange Ball Valve Advantages
Automated Control
Supports remote signal control (e.g., 4-20mA analog input), and can be integrated with DCS, PLC, and other automation systems for unattended operation.
Electric actuators feature a built-in servo system, offering fast response and high positioning accuracy.
High-Efficiency Sealing and Low Resistance
Utilizes PTFE or hard alloy sealing rings; sealing performance increases with media pressure, resulting in low leakage.
The ball-shaped through-hole is flush with the valve body cavity, minimizing fluid resistance and pressure drop, making it suitable for high-viscosity or particulate media.
Durability and Maintainability
The valve stem only rotates, reducing wear on the packing seal and extending its service life.
Compact structure with a close distance between the valve seat and flange minimizes material retention, reducing the risk of blockage and facilitating maintenance.
Safety Design
Explosion-proof actuators are suitable for flammable and explosive environments (e.g., CT6 gas explosion-proof).
Some models are equipped with fireproof and anti-static functions to ensure operational safety.
Electric Flange Ball Valve Applications
Petrochemical Industry
Used for shutting off, diverting, or regulating the flow of media in pipelines, such as crude oil transportation and feed control in chemical reactors.
Electric flange ball valves are suitable for flammable and explosive environments such as oil refineries and natural gas processing plants.
Power Industry
Controlling the on/off of boiler feedwater and steam pipelines to ensure safe system operation.
High-temperature electric flange ball valves (such as NK941H-16C) are suitable for heat transfer oil and high-temperature steam pipelines.
Water Treatment and Environmental Protection
Regulating the dosage of chemicals in sewage treatment plants or controlling the opening and closing of sewage discharge pipelines.
Electric V-type ball valves effectively treat sewage containing fibers and solid particles through the shear force between the V-shaped ball core and the valve seat.
Metallurgy and Papermaking
Controlling the opening and closing of pipelines transporting high-temperature molten metal or regulating pulp flow.
Wear-resistant electric flange ball valves are suitable for applications involving slurry, pulp, and other media containing particles.
Electric Flange Ball Valve factory
