When using electric cut-off valve, can appear some fault, and the failure will affect our normal use, so we need to solve in time, so what are the common failure? How to do? Let us know. Electric valve proportional control can be realized, and the two five-way solenoid valve and control box, which can realize the switch control. V-shaped ball valve core designs with special shape v-notch, with precise closure properties and control functions, suitable for control occasions. Pneumatic knife gate valve is a kind of orthogonal rotary valve, it with the valve positioner. Electric explosion-proof gate valves have excellent control characteristics: v-type ball valve is approximate equal percentage flow characteristic and up to 300:1 adjustable ratio. So the v-shaped ball valve can be in wide range of change provides precise control. The first electric cut-off valve run normally, but unable to bear. Reason: the Industrial Valves core is closed or blockage. Solution: close the valve spool valve core and valve stem connection solid plumbing problems in a timely manner. In the second. The check valve is not action. Reason: there is not a signal pressure or crack damage of diaphragm and diaphragm leakage, diaphragm thrust can be reduced; core and valve seat or die lining sleeve, stem bending makes check valve system can't through action. Teaching methods of settlement: connection between signal lines, air joint stronger enterprise or need to replace diaphragm; Straightening the valve stem or change the valve stem directly. 3. Check Industrial Valves is not stable or oscillation. 。 Reason: check valve diameter selection is too large; Single to the valve seat valve medium flow direction and close in the same direction. 。 core and guide bush badly worn. 。 Solution: use appropriate valve diameter change valve; Adjust the direction of the valve; To improve the bonding surface or replacement of valve core, guide sleeve. Four. Check valve slowly or beating. 。 Reason: aging or dry packing increases the friction between stem and packing; Body containing viscous dirt and congestion, coking, etc. 。 Diaphragm and 'O' seal leakage. Solution: change the packing, readjustment; To remove dirt, coking, etc. Tighten film head, or replace the diaphragm O ring. So the pneumatic ball valve if encountered in the process of using the management the system fault, need through the we can timely repair.
wedge gate valve has become a standardized way of dealing with os&y gate valve.
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