The soft-sealed gate valve has a new type of gate valve with wear resistance, corrosion resistance and anti-fouling. Its manufacturing and processing technology is simple and clear, with good sealing characteristics and long application time. Let's interpret the principle and structural characteristics of the lower soft seal gate valve below.
Principle of soft seal gate valve
After the electro-hydraulic reversing valve A is connected to the power supply, the air pump starts to change the pressure, the cylinder piston rod moves upward to push the valve stem up, and the valve stem and the gate are connected by screws to push the gate to exercise. Aspect ratio. At this time, the magnetic induction switch sends feedback data signals to the podium, and the gate valve opens. After the electro-hydraulic reversing valve B is connected to the power supply, the air pump starts to change the pressure, the cylinder piston rod moves down to push the valve rod down, and then promotes the ram fitness exercise, which exceeds the open aspect ratio. At this time, the magnetic induction switch is used to give The opinion feedback data signal was sent from the command platform, and the gate valve was closed. Manual actual operation during adjustment.
Soft seal gate valve
Structural characteristics of soft seal gate valve
1. The design of the body cavity enables the raw materials to have self-metabolism under the driving force effect, and there is no stagnation and blockage in the cavity.
2. The fully safe passage gate valve does not block the dry ash, and the gas pressure is small.
3. Load the elastic yellow so that the ram will undergo damage adjustment during thermal expansion and contraction, so as to maintain closing and resist back pressure.
4. Metal materials and metal materials are used as the sealing pair, and the wear resistance can cover a wide range of temperature.
5. When installed vertically, a wear-resistant soft-seal gate valve has an ash conveying trough at the bottom of the inlet and outlet sub-sections, and the gate valve has 2 through holes in the design of the outer seal. The bottom end of the oil circuit board is designed with a detachable through hole. When the dust in the bottom cavity of the oil circuit board reaches a certain level, open all the through cover. If it is removed on time, the problem of dust accumulation in the valve cavity can be solved.
6. When installed horizontally, the design of the inlet and outlet sub-sections of the soft-seal gate valve becomes a tapered shape. In addition, the design has a lot of slag removal tanks and shaped pipes to promote the dry ash without friction resistance and complete slag removal.
7. The gate of the soft-seal gate valve and the high-pressure gate valve have a hard-seal structure. Each time the power is switched on the parallel surface type, the edge of the high-pressure gate valve is used to scrape the raised surface of the high-pressure gate valve to maintain the reasonable sealing of the gate and the high-pressure gate valve. In addition, it has anti-scaling effect.