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Gongyi Fucheng Machinery Factory Material Sealing Pump Address: Renmin East Road, Gongyi City, Henan Province
24-hour technical consultation phone:
Fu Hongwei: 13803825057
Wang Quanyi: 13938218031
LG Fully Sealed Spiral Gate Valve
Advantages of LG fully sealed spiral gate valve produced by Gongyi Fucheng Machinery Factory:
1. Quick opening and closing: The time for opening and closing the gate valve is only 1/6 of that of traditional products .
2. Light operation: The nut works in a sealed cylinder isolated from powdery material, which realizes dust-free lubrication transmission and eliminates dust. The influence of corrosion on the transmission ensures that the operation of the gate valve is time-saving, labor-saving and lasting.
3. Closed tightly: The interface between the screw and cylinder adopts double-layer dust-proof ring, so it is tightly sealed, no flying dust, and longevity.
4. Not afraid of high temperature: The seal is made of high heat-resistant material, which can ensure normal work when the temperature of cement or fly ash reaches 125 ℃.
Gongyi Fucheng Machinery Factory is the earliest professional manufacturer of material-sealed pump equipment. Based on the introduction of foreign advanced technology, our factory has developed a new type of low-pressure pneumatic force based on the introduction of foreign advanced technologies for various problems in different types of pneumatic conveying equipment in China and cooperation with the Building Materials Institute . Conveying equipment is widely used in electric ash removal, cement homogenization and storage, and various powdery materials. It is highly efficient, low consumption, fully enclosed, non-polluting, and maintenance-free. Roots fans and compressed air can be used as air sources .
After years of development, our factory has formed three complete product systems: low-pressure pneumatic conveying equipment, mechanical conveying equipment and ash storage equipment, which are widely used in many fields such as cement, electric power, building materials, metallurgy, and chemical industry. Our factory has always adhered to the principle of quality first and credit first, and established a set of one-stop quality management system from parts processing to the whole factory's delivery, and implemented computer-aided system optimization design for all products.
Principle and function of LG fully sealed spiral gate valve :
1. Working principle: The electro-hydraulic push rod uses a motor as the power source, and through the motor's forward (reverse) rotation, the hydraulic oil outputs pressure oil through a two-way gear pump, and is sent to the working cylinder through the oil manifold to realize the piston rod. Back and forth.
2. Automatic overload protection function: When the electro-hydraulic push rod works, if the external force received by the piston rod exceeds the rated output force or the piston has reached the end point, the motor is still rotating. At this time, the oil pressure in the oil circuit is increased to the set pressure. The overflow valve quickly and accurately overflows to achieve automatic overload protection. Although the motor is rotating, it will not burn out.
3. Self-locking function: A pressure self-locking mechanism is designed in the oil circuit integrated block of the electro-hydraulic push rod. The motor stops rotating, the piston rod immediately stays in a certain position, and the pressure oil is in a pressure-holding state.
4 , according to user requirements, stepless speed adjustment within the rated speed range.
5. According to user requirements, stepless adjustment of push and pull force can be performed within the rated output force range.
6 , according to user requirements, stepless adjustment of the stroke within the rated travel range.
Comparison of LG fully sealed spiral gate valve with similar products:
Compared with electric actuators, electric actuators, hydraulic cylinders and cylinders, electro-hydraulic actuators have the following advantages:
1. It has reliable overload automatic protection performance. Even if the motor is running normally when it is overloaded or runs to the end of the stroke, it will not burn or damage other parts. Electric actuators and electric actuators are incomparable.
2. Electro-hydraulic putter can start with load, but electric putter and electric actuator are very difficult.
3. The same electro-hydraulic push rod can be adjusted steplessly within its rated push and pull force range, so the driving force range is wide, but electric push rods and cylinders cannot.
4. With the same thrust and speed, the electric power consumed by the electro-hydraulic putter is half that of the electric putter and electric actuator.
5.Electro-hydraulic putter adopts full-hydraulic transmission, which is sensitive in movement and stable in operation, which can effectively reduce external impact forces. The stroke control is accurate. Cylinders, electric push rods and electric actuators cannot.
6. The electro-hydraulic push rod adopts a fully enclosed structure of mechanical, electrical, and hydraulic integration. The working oil circuit is circulated in a pressure-free closed steel cylinder, which has a small volume and does not leak oil. No dust, no water ingress, no internal rust in harsh environments, and a longer service life than cylinders, electric actuators, and electric actuators.
7. The investment is small, the air cylinder needs to build an expensive air compressor station, and the air pressure pipeline is easy to leak, the air pressure is unstable, and the noise is high; the hydraulic cylinder needs a hydraulic station, and the electro-hydraulic push rod only needs to be connected to the power supply.
8. Easy maintenance. In special cases, the electro-hydraulic push rods need only be replaced, while the hydraulic cylinders need to slowly find out the cause of the failure, and then carry out careful maintenance, which will affect the normal operation of all work.