Electric Hard-Seal Flange Butterfly Valves-DK56-FB-G
Electric hard-seal flange butterfly valves are designed to regulate the flow of fluids in pipelines with accuracy and reliability. They feature a robust construction with a hard-seal design, ensuring tight shut-off and minimal leakage even under high-pressure conditions. The electric actuation mechanism enables remote control and automation, making these valves suitable for applications requiring precise flow control and monitoring.
Electric hard-seal flange butterfly valves are designed to regulate the flow of fluids in pipelines with accuracy and reliability. They feature a robust construction with a hard-seal design, ensuring tight shut-off and minimal leakage even under high-pressure conditions.
Model: Flange Butterfly Valves
Size Range: 2” to 16”
Pressure Range: 1.6MPa to 6.4MPa
Material: Stainless Steel 304/316 or Cast Steel
Description
The operation of electric hard-seal flange butterfly valves is based on the interaction between the valve disc and the seat. When the valve is open, the disc rotates to allow fluid to pass through the pipeline. Upon closing, the disc forms a tight seal against the seat, preventing leakage and controlling the flow rate. Electric actuators drive the valve operation, receiving signals from control systems to adjust the valve position as needed.
In conclusion, electric hard-seal flange butterfly valves offer a reliable and efficient solution for precise fluid control in industrial applications. With their advanced sealing technology, electric actuation capabilities, and versatile design, these valves provide optimal performance and reliability across a wide range of applications, making them an ideal choice for fluid control challenges in diverse industries.
Hard-Seal Flange Butterfly Valves Technical Parameter
| Valve Body | Valve components | ||
| Nominal size | DN50-DN400 | Sealing material | Stainless Steel |
| Body Material | Stainless Steel | Disc Material | Stainless Steel |
| End Connection | Midline Structure | Stem Material | Stainless Steel |
| Operating Pressure | 1.6 /6.4 MPa(16 / 64 bar) | Applicable media | Water, Air, Gas, Petroleum, Oil, Liquid |
| Structure | Midline structure A type | Design standard | GB, ASMI |
Hard-Seal Flange Butterfly Valves Features and Components:
- Hard-Seal Design: The hard-seal design ensures superior sealing performance and long-term durability, minimizing the risk of leakage and ensuring reliable operation in demanding environments.
- Electric Actuator: Electric actuators provide precise control over the valve position, allowing for remote operation and automation. They can be programmed to respond to specific control signals and adjust the valve opening accordingly.
- Flange Connections: Flange connections facilitate easy installation and maintenance, allowing for quick and secure attachment to pipeline systems.
- Stainless Steel Construction: Many electric hard-seal flange butterfly valves are constructed from stainless steel, offering excellent corrosion resistance and durability for extended service life.
- Position Feedback: Some valves are equipped with position feedback devices, providing real-time information on the valve position to control systems for enhanced monitoring and control.
Hard-Seal Flange Butterfly Valves Benefits:
- Precise Control: Electric actuators enable precise positioning of the valve disc, allowing for accurate flow modulation and control.
- Remote Operation: Electric actuators facilitate remote operation and automation, reducing the need for manual intervention and improving operational efficiency.
- Enhanced Reliability: Hard-seal design and robust construction ensure reliable performance and minimal maintenance requirements, reducing downtime and operational costs.
- Versatility: Electric hard-seal flange butterfly valves are available in various sizes, pressure ratings, and configurations to suit diverse application requirements.
- Cost-Effectiveness: Despite their advanced features, these valves offer a cost-effective solution for fluid control applications, providing long-term value and performance.
Electric Actuator:
ON/OFF Type Electric Actuator: Featuring a 90-degree rotation, this actuator offers AC/DC power supply, signal control, and manual override capabilities. With high torque of up to 4000Nm, it ensures reliable performance in demanding environments.
Modulating Type Electric Actuator: Adjust the open/close angle smoothly from 0 to 90 degrees with this actuator. Equipped with AC/DC power supply, signal control, and manual override, it delivers precise control and high torque of up to 4000Nm.
Intelligent Type Electric Actuator: Take control with ease using the intelligent actuator, allowing you to adjust the open/close angle with precision. Featuring an LED display screen for convenient monitoring, it offers AC/DC power supply, signal control, manual override, and high torque of up to 4000Nm.”
| Product Model: | DK-56-FB-G | Housing Material: | Aluminum alloy |
| Waterproof Level: | IP67 | Motor power supply: | 24/110/220/380V AC±10％，24/110/220VDC 50/60HZ±10％ |
| Motor: | Squirrel cage asynchronous motor | Itinerary: | 90°-270±10° (above 90° in advance) |
| Fail-safe: | Built-in thermal protection on: 120°C±5°C | Operating Temperature: | 97℃±15℃ |
| Indicator: | Continuous position indication | Manual operation: | Mechanical handles |
| Self-locking device: | The turbine and worm mechanism provide self-locking | Mechanical Limit: | 2 external adjustments |
| Terminal Holes: | M18 | Ambient Temperature: | -20℃-70℃ |
| Lubrication: | Aluminum-based grease EP type | Material: | Steel, aluminium alloy, aluminium bronze, polycarbonate |
| Ambient Humidity: | Up to 90% | Ingress Protection: | IP65； IP67； IP68 |
| Explosion-proof grade: | Exd II BT4； Exd II CT6 | Ambient Temperature: | -25℃-55℃ |
| Ambient Humidity: | 10~90%RH | Seismic Performance: | X Y Z 10 grams, 0.2-34HZ 30 minutes |
| Coating: | Dry powder, epoxy polyester | Manufacturing Standards: | GB/JB/HG/HG/ANSI/API/JIS/DIN/OTHER STANDARDS CUSTOMIZED |
Air source processor: The pneumatic triplet, a vital accessory for pneumatic valves, combines filtering, pressure reduction, and lubrication functions. The pressure reducing valve adjusts inlet pressure to a stable outlet pressure, utilizing the medium’s energy. In two-piece assemblies, it couples with a filter for compressed instrument air filtering. In three-piece configurations, it adds lubrication to the air, ensuring efficient operation.
Pneumatic solenoid valve: The pneumatic solenoid valve, also known as a directional control valve, is a vital component for regulating the opening and closing of pneumatic valves. It functions by magnetizing and demagnetizing, which directs the gas flow based on voltage signals. Commonly employed to manage gas source and circuit flow, these valves offer precise control over valve operations through voltage signals.
Limit switch: The valve limit switch, also called a travel switch, is a critical field instrument in automatic control systems. It detects the valve’s status and outputs signals for open or closed positions. This switch is essential for confirming and executing subsequent programs by programmers. Additionally, it serves as a vital component for valve interlock protection and remote alarm indication within the system. It effectively indicates and provides feedback on mechanical equipment’s movement limit position.
Valve positioner: The valve positioner is a crucial component of pneumatic control valves, enabling precise control over valve positioning. It utilizes the valve stem displacement signal as input feedback and the controller output signal as the control signal. By comparing these signals, any deviation triggers adjustments to the actuator output signal, ensuring a direct correspondence between valve stem displacement and controller output.
Manual device: The manual device is an essential component that complements the pneumatic actuator assembly. It serves to facilitate manual or pneumatic operation for butterfly valves and ball valves with a 90° opening. This mechanism is crucial for ensuring versatility and flexibility in valve operation, allowing for both manual and automated control as needed.
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