The 1 2 inch motorized ball valve is a control device that uses an electric actuator to drive the ball to rotate and realize the opening and closing of the valve.
Working principle: The electric actuator receives a control signal (such as current, voltage signal, etc.), and drives the transmission mechanism through the motor to rotate the ball around the valve stem axis. When the through hole of the ball is aligned with the inlet and outlet channels of the valve, the valve is in the open state and the fluid can pass smoothly; when the ball rotates 90 degrees and the through hole is perpendicular to the inlet and outlet channels, the valve is closed to prevent the flow of fluid.
Product parameters
●Main material: valve body forged brass, seal PTFE/HNBR
●Valve opening torque: DN15~DN25<1N.m, DN32~50<2N.m
●Driver torque: 2N.m
●Nominal pressure: 2.0MPa
●Working medium: water
●Fluid temperature 5~95℃
●Valve stem size: 9x9
| Ordering model | Product model | Valve type | DN | Thread size | Kv value | Maximum closing pressure difference kPa |
Dimensions | |
| L | H | |||||||
| 15123 | DQF-B-215*DQQ-B1K3-220 | 2 way | 15 | G1/2 | 5.6 | 600 | 60 | 30 |
| 15128 | DQF-B-220*DQQ-B1K3-220 | 2 way | 20 | G3/4 | 9.5 | 600 | 67 | 35 |
| 15134 | DQF-B-225*DQQ-B1K3-220 | 2 way | 25 | G1 | 9.5 | 500 | 89 | 38 |
| 15139 | DQF-B-315*DQQ-B1K3-220 | 3 way | 15 | G1/2 | 5.6 | 600 | 60 | 30 |
| 15144 | DQF-B-320*DQQ-B1K3-220 | 3 way | 20 | G3/4 | 9.5 | 600 | 67 | 35 |
| 15149 | DQF-B-325*DQQ-B1K3-220 | 3 way | 25 | G1 | 13 | 500 | 89 | 38 |
| Note: The above table is the commonly used recommended models, please consult for details. | ||||||||
Performance characteristics
High control accuracy: The electric actuator can accurately control the rotation angle of the ball to achieve accurate regulation of the fluid flow.
Fast response speed: Compared with the manual ball valve, the electric ball valve can quickly respond to the control signal to open and close the valve, improving the automation of the system.
Good sealing performance: The special sealing structure between the ball and the valve body can effectively prevent fluid leakage and ensure the safety of the system.
Corrosion resistance: The valve body and the ball are usually made of corrosion-resistant materials and are suitable for the control of various corrosive media.
High reliability: The electric ball valve has a simple structure, stable operation and a long service life.
FAQ
1.What are the sealing methods of 1 2 inch motorized ball valves?
Common ones are soft seals and hard seals. Soft seals are generally made of materials such as rubber, which have good sealing properties but relatively low applicable temperatures; hard seals are made of metal materials and are resistant to high temperatures and high pressures.
2.How to determine the caliber of an electric ball valve?
Determine the appropriate valve caliber based on the flow requirements of the system and the size of the pipeline.
3.What are the types of electric actuators?
There are switch types and regulating types. The switch type is used for simple opening and closing operations, and the regulating type can accurately control the valve opening.
4.What should be paid attention to during the use of 1 2 inch motorized ball valves?
Pay attention to regular maintenance, check the sealing performance, the operating status of the electric actuator, etc.; avoid overpressure and overtemperature use.
5.What does the maintenance of electric ball valves include?
Regularly clean the valve surface, check the wear of the seals, add lubricating oil to the electric actuator, check the electrical connections, etc.
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