Search Results for: Regulating controlling instruments
operation of the unit during operation. generally, there are two general characteristics of the valves , the useage characteristics and structural characteristics. useage characteristics: it determines the main performance and scope of the useage of the valve,such as valve category (closed valve, regulating
pneumatic or hydraulic, electrical linkage or electro-hydraulic linkage. . determine the material of the casing and internal parts of the valve: gray cast iron, malleable cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper alloy, etc. select the type of valve: cut off valve, regulating...
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