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Fluorine lined electric ball valve
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Huquan Valve
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Huquan Valve
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China
Main Products:
Electric gate valves, electric globe valves, electric butterfly valves, electric ball valves, check valves, regulating valves, fluorine lined butterfly valves and ball valves, ceramic valves, etc.
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Product information

 

Electric fluorine-lined flanged ball valve is a Angle of 90° The rotary ball valve has excellent sealing performance, large flow capacity, small flow resistance coefficient, simple structure, easy maintenance, long service life, the valve body channel and the connecting pipe diameter are equal and form a diameter, and the medium can flow almost without loss. Products are usually used in the sealing requirements of strict occasions, in addition to the control of gas, liquid, steam media, but also suitable for the control of sewage and containing fibrous impurities of the medium, widely used in petroleum, chemical, metallurgy, light industry, paper, power stations, refrigeration and other fields of work.

Electric fluorine-lined flanged ball valve product details

First, electric fluorine-lined flanged ball valve overview:

Fluorine-lined electric flanged ball valve is a rotary ball valve with a Angle of 90°, excellent sealing performance, large flow capacity, small flow resistance coefficient, simple structure, easy maintenance, long service life, the valve body channel and the connecting pipe diameter are equal and form a diameter, and the medium can flow almost without loss. Products are usually used in the sealing requirements of strict occasions, in addition to the control of gas, liquid, steam media, but also suitable for the control of sewage and containing fibrous impurities of the medium, widely used in petroleum, chemical, metallurgy, light industry, paper, power stations, refrigeration and other fields of work.

Two, electric fluorine-lined flanged ball valve features:

1, the ball valve is one of the smallest flow resistance of all valves, the switch is quick and convenient, as long as the ball rotates 90° to complete the full opening or full closing action, to achieve fast opening and closing.
2, two-way sealing, sealing performance is good. The valve seat is generally made of polytetrafluoroethylene. Because the ball of the floating ball valve is floating, under the action of the medium pressure, the ball can produce a certain displacement in the direction of the outlet end and press tightly on the sealing surface of the outlet end, and the sealing force increases with the increase of the medium pressure.
3, the valve stem adopts anti-blowout structural design, even if the abnormal pressure of the valve chamber and the failure of the packing block can ensure that the valve stem will not be blown out by the medium, and the valve stem adopts the lower design, the reverse seal of the valve stem also increases with the increase of the medium pressure.
4, the valve stem packing adopts V-type sealing structure, V-type packing can effectively transform the compression force and medium force of the packing gland into the sealing force of the valve stem. The traditional packing gland is changed to the two-piece structure design of packing press plate and packing press plate, the packing press sleeve and the packing press plate adopt spherical contact to ensure that the packing cap is always vertical, and the polytetrafluoroethylene bushing is set inside the packing press sleeve, to avoid the abrasion and wear of the valve stem and the packing press sleeve, and reduce the operating torque of the valve.
5, can be set up according to customer requirements of the anti-static structure, through the valve stem to form an electrostatic channel between the ball and the valve body, so that the ball and the valve seat in the process of switching the static electricity generated by the valve body to the earth, to prevent the electrostatic spark may cause fire or explosion risk.
6. Convenient installation of electric and pneumatic actuators, saving installation space. With TCD, TCHQ and other series of electric actuators, AC220V or AC380V power supply can control the operation and switch the valve.

Three, the main technical indicators:

Control accuracy: 0.1%-3.0%(adjustable by U4 parameters)
Electric actuator feedback signal can be connected: potentiometer 500Ω-10KΩ
Can receive external control signal (DC) : 4-20mA(1-5V, 0-10V, switch quantity, etc. Customized before factory delivery)
Input impedance: 250Ω;
By modifying the U1 parameters can be set: ①DRTA/ positive action, RVSA/ reverse action mode ② "interrupt" mode when the input signal is interrupted - OPEN (on), STOP (stop), SHUT (shut)
Optional: ① thyristor output (AC, 600V, 25A) ② relay output (AC, 250V, 10A) ◆ Specify when ordering
Output actuator position signal: low drift output 4-20mADC corresponds to actuator fully closed to fully open, signal * isolated from input (photoelectric isolation), output load ≤500Ω
Ambient temperature: 0-70℃, humidity: 35-85%
Overtemperature protection function: When the temperature in the positioner shell is ≥70 ° C, the positioner stops the opening and closing control of the actuator
The operating range of the actuator corresponding to the input signal can be freely calibrated by pressing the button (generally calibrated to the fully closed and fully open position of the electric actuator).

 

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