Product Description
The needle control valve is the upgrated version of the ordinary control valve developed by our company.The fixed valve seat and the removable valve element compose the throttle device.through the adjustment on the location of the valve element,flow regulation can be realized.This product is very useful for the automatic system of alumina plant,power station ,petroleum industry and chemical indusry.
Feature :
1.The protection and flow guide devie is installed on the flanged needle valve .
2.There is a connecting plate designed for the welded need valve to protect the valve the valve stem and valve disc from being eroded
3.The detachable valve seat makes for easy maintenance of the liquid control valve for chemical industry .
4.To withstand the erosion of the medium flowing at high speed, the control valve for power station is provided with bead weldcemented carbide valve seat.
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