open groove gate if work situation in the middle, Industrial Valves plate because it is depend on both sides of the guide rail support, full close cooperate with each other closely, and middle position, the valve plate and guide rail gap caused by vibration.

as a result, even if lower incidence in cavitation region, long-term make gate overflow valve operation, guide rail can cause deformity, damage or damage, and because of the high pressure gate valves and is not comprehensive to touch, the touch area surface pressure is very high, generally leads to bite the corrosion or adhesion,

therefore, should not be used for traffic management. Also note that globe valves in the small opening, flow change is big, if the gate valve opening and closing of emergency, will cause the pressure rise sharply or lead to negative pressure, very is caused when the gate valve water hammer.

open groove gate valve from fully open to the middle gate valve fluid density is small, close to full close, fluid density increases significantly. A very large range, fluid density change is small, when close to full close, flow change is very big,

don't use when the gate valve close to close, unable to flow regulation at the moment. If gate opening, joint water yield quickly, can make the cut-off valve underside cause cavitation, and with the strong vibration and noise, long-term relief valve operation, general can make the fuel pipe metal composite plate and the valve causes cavitation.

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