Company Profile
Zhejiang Bailing pneumatic Technology Co., Ltd. is a pneumatic component manufacturer specializing in the production of MGP series guide rod cylinders, TC series three-axis cylinders, DFM series guide rod cylinders, and MGG series guide rod cylinders. Committed to providing customers with various pneumatic components, services, and solutions that meet their needs. Since its establishment, the company has developed a complete and scientific quality management system through technological innovation and accumulated experience; A stable workforce, a combination of professional technical and management personnel, continuous improvement of production and quality systems, achieving more competitive costs and continuously improving quality
Product Description
Working Principle
Most automatic drains operate based on a combination of sensors and valves. Liquid level sensors are often used to detect when the liquid has reached a certain pre-set level within the system. Once this level is detected, the sensor sends a signal to a control mechanism. The control mechanism then activates a drain valve, which opens to allow the liquid to flow out of the system. After the liquid level drops below a specific threshold, the valve closes automatically, preventing unnecessary loss of air or other substances in the system.
Some automatic drains use float mechanisms. A float rises as the liquid level increases. When the float reaches a particular height, it triggers the opening of a valve, and as the liquid drains and the float descends, the valve closes. Other types may rely on electronic sensors, such as capacitive or ultrasonic sensors, which are more accurate in detecting the liquid level and can be integrated with sophisticated control systems for better monitoring and management.
Components
- Sensors: As mentioned, these can be float sensors, capacitive sensors, ultrasonic sensors, or pressure sensors (which can infer liquid level based on pressure changes in the system).
- Control Unit: This processes the signals from the sensors and controls the operation of the drain valve. It can be a simple mechanical switch in basic models or a complex microcontroller-based system in more advanced automatic drains.
- Drain Valve: This is the component that actually opens and closes to allow the liquid to drain. Valves can be of different types, such as solenoid valves, ball valves, or flap valves, depending on the application and the nature of the liquid being drained.
- Housing: The outer casing that encloses the internal components and provides a connection point to the system from which the liquid is being drained. It is typically made of materials like stainless steel, plastic, or brass, depending on the environmental conditions and the chemical compatibility with the drained liquid.
Product |
Automatic Drainage System |
Using pressure |
80 - 100 psi |
temperature range |
- 20°C to 10°C |
drainage capacity |
10 - 20 liters per minute |
Nominal diameter |
1/8 inch to 2 inches or larger |
Model |
AD400-04 |
1/8 inch to 2 inches or larger
Detailed Photos



Packaging & Shipping