Break valves, also known as gate valves, are forced closed valves, so when the valve is closed, the valve flap should be applied pressure to avoid leakage of the sealing surface.When the medium from the valve disc into the disc, the resistance to overcome the operating force is the friction between the valve rod and packaging and the thrust caused by the medium pressure, because the force of the shutoff valve is greater than the force of the open valve, so the diameter of the valve rod is large, otherwise it will occur on the stem bending fault.

There are three types of connection: capsule accumulator manufacturer flange connection, snap connection and welding connection.Since the appearance of the sealing valve, the flow of the partition valve media from the valve flap to the valve chamber, valve force with the pressure of the media decreases, the force of the opening valve, the diameter of the valve stem can be reduced accordingly.At the same time, the form of the valve in the action of the medium is also more rigorous.China's valve "three" provisions, all from top to bottom to adopt the closed valve flow direction.

When the partition valve is open, the valve valve is open 25%~30% of the nominal diameter.Indicates that the flow rate has reached the full open position.Thus, the full open position of the block valve should be determined by the stroke of the valve flap.

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