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The valve
Source: | Author:zhongdeen | Publish time: 2015-08-04 | 1374 Views | Share:
Definition 1:

Device used to control flow in pipeline equipment.

Subject:

Power (level 1 subject); Hydraulic structures (secondary discipline)

Definition 2:

Installed in the pressure pipeline is used to control the flow of the equipment.

Subject:

Water conservancy science and technology (level 1 subject); Hydraulic structures (secondary discipline); Gate and headstock gear (level 3 subject)

Valve is the control unit in fluid conveying system, with a cut-off, regulation, guide, to prevent the reverse flow, voltage regulator, the leakage of the shunt or overflow, and other functions. Used for fluid flow control system of the valve, from the most simple cut-off valve to extremely complex automatic control system used in all kinds of valves, its quite a wide varieties and specifications. The valve can be used to control air, water, steam, all kinds of corrosive medium, mud, oil, liquid metal and radioactive medium, etc. All types of fluid flow.