Customization: | Available |
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Media: | Gas, Oil, Water, Chemical |
Temperature: | Low Temperature |
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An electric gate valve is a type of valve that uses an electric actuator to control the opening and closing of the valve. Unlike manual gate valves that rely on hand-operated mechanisms like handwheels or levers, electric gate valves are automated and can be controlled remotely or automatically through electrical signals.
Electric gate valves offer several advantages over manual valves, including remote or automatic operation, precise control, and integration into automated systems. They are commonly used in industries such as water treatment, wastewater management, oil and gas, power generation, and chemical processing, where automated valve control is required for efficient operation and system optimization.
One of the primary advantages of stainless steel gate valves lies in their corrosion resistance properties. Stainless steel, renowned for its resistance to rust and corrosion, ensures longevity and durability even in harsh operating conditions, making these valves suitable for a diverse range of industries and applications.
Moreover, stainless steel gate valves are available in various sizes, pressure ratings, and configurations, allowing for seamless integration into different piping systems. Whether in petrochemical plants, water treatment facilities, or industrial processes, these valves provide versatile and dependable fluid control solutions.
An electric gate valve operates through the use of an electric actuator, which converts electrical energy into mechanical motion to open or close the valve. Here's a step-by-step explanation of how an electric gate valve works:
Electric Actuator Activation: The electric actuator receives an electrical signal from a control system, which could be manual switches, buttons, or an automated control system like a PLC (Programmable Logic Controller). This signal triggers the actuator to start moving.
Motor Operation: Inside the electric actuator, there is typically an electric motor. When activated, the motor begins to rotate, generating mechanical power.
Mechanical Transmission: The mechanical power generated by the motor is transmitted through gears or other mechanical components within the actuator. This transmission mechanism converts the rotational motion of the motor into linear motion.
Gate Movement: The linear motion generated by the transmission mechanism causes the gate or wedge of the valve to move. In a gate valve, the gate moves perpendicular to the flow of the fluid. When the actuator rotates or extends, it pushes or pulls the gate to open or close the valve accordingly.
Valve Operation: As the gate moves, it either blocks or allows the flow of fluid through the valve, depending on whether the valve is opening or closing. When the gate is fully raised, the valve is in the fully open position, allowing maximum flow. Conversely, when the gate is fully lowered, the valve is fully closed, stopping the flow of fluid completely.
Position Feedback: Many electric gate valves are equipped with position feedback mechanisms, such as limit switches or position sensors. These devices provide feedback to the control system, indicating the current position of the valve (open, closed, or partially open).
Control System Integration: The control system monitors the position feedback signals and sends commands to the electric actuator as needed to achieve the desired valve position. This integration allows for precise control of the valve's operation and can be used for remote or automated control.
Number | Name | Material |
---|---|---|
1 | Body | ASTM A351 CF8M |
2 | Disc | ASTM A351 CF8M |
3 | Stem | ASTM A276 316 |
4 | Bonnet | ASTM A351 CF8M |
5 | Body Gasket | PTFE |
6 | Snap Ring | ASTM A276 316 |
7 | Washer | ASTM A276 316 |
8 | Packing | PTFE |
9 | Packing Sleeve | ASTM A276 304 |
10 | Packing Gland | ASTM A351 CF8M |
11 | Hand Wheel | Aluminium Alloy |
12 | Nut | ASTM A194-B8M |
13 | Plain Washer | ASTM A276 304 |
Size | DN | L | H | D |
---|---|---|---|---|
½" | 15 | 55 | 95 | 62 |
¾" | 20 | 61 | 100 | 72 |
1" | 25 | 68 | 105 | 72 |
1 ¼" | 32 | 72 | 125 | 78 |
1 ½" | 40 | 79 | 145 | 95 |
2" | 50 | 87 | 165 | 95 |