The characteristics and advantages of the Busi valve

As the name suggests, the bottom valve is installed at the bottom of the reactor, storage tank, and other containers for discharge. Due to the increasing level of automation, the Busi valve has evolved from manual control to automatic control. In addition to its original cut-off function, it can now be adjusted and controlled, and also participates in interlocking control in critical process locations. Busi valves are widely used in industries such as chemical, petroleum, metallurgy, pharmaceuticals, pesticides, dyes, and food processing.

Structural features:

The bottom valve is welded or connected to the bottom of the reactor, storage tank, and other containers through the flange at the bottom of the valve. Therefore, it eliminates the residual phenomenon of process medium at the outlet of the container and achieves the function of emptying and discharging. Busi valve is composed of valve body, valve core, valve stem, valve seat, sealing ring, actuator (electric, pneumatic), etc. The principle is to push the valve disc up or down through the valve stem, in order to achieve the purpose of opening and closing. The upward expansion tank bottom valve is when the valve stem rises and the valve opens; The valve stem of the downward expansion tank bottom valve rises and the valve closes. Under normal circumstances, the valve is in a closed state.

Advantages of Busi Valve:

The characteristics and advantages of the Busi valve

(1) Its sealing forms can include soft sealing and hard sealing. The cover can be welded with hard alloy as needed, and the hardness can reach HRC44. Its metal hard seal (conical sealing surface) can ensure that the sealing level reaches VI.

(2) Its structural form achieves dead angle free operation, full bore, and low pressure drop.

(3) Adopting a bolt and butterfly spring structure, it can automatically adjust to ensure that the packing is always compressed.

(4) The valve stem only rises and falls without rotating, reducing the loss of packing.

(5) The valve seat can be replaced with a replaceable type, which is more convenient to replace.

(6) The polished surface of the valve core ensures no retention areas.

(7) The valve adopts a fire safety design.

(8) If the installation space is insufficient, the actuator can be installed on the side.

(9) Other optional features are as follows:

1) The valve core is equipped with a comprehensive temperature sensor, which has practical applications in the following text.

2) Bellows are used to seal the valve stem. The application of bellows is to provide an axially deformable metal spacer between the valve stem and the process fluid inside the valve body, forming a dynamic seal to eliminate leakage at the valve stem.

3) The valve body is equipped with a cleaning or discharge nozzle, which can clean and remove blockages on the valve, increasing its reliability.

4) Insulation jacket can protect the medium inside the valve from solidification or crystallization at room temperature according to process requirements.

5) Used for vacuum conditions. With the increasing application of Busi valves, the price of Busi valves has also decreased significantly. These brand products still have significant advantages in valve performance, reliability, and many optional functions.