Pumps are mechanical devices that use suction or pressure to lift or move liquids, compress gases, or force air into inflated objects such as tires. The pump symbol is very similar to a compressor.
Symbols are pictured:
Symbols express the work done by a product through some or all of the stages of a process. Typical information included in a process flow diagram is the quantity, distance traveled, type of work done, and equipment used, which may also include man-hours. In order to facilitate the listing of the process flow diagram, are generally used internationally recognized record graphical symbols to represent the actual production of a variety of activities and actions, graphical symbols to indicate the process of mechanical equipment used and their interconnected system diagram.
Expanded Information:
Valve Legends (Valve Graphic Diagrams)
Valves (Valve Graphic Diagrams) are used to represent the various activities and actions in production. p>Valve legend (valve graphic symbols) is a way to use the drawing of the valve with a simple graphic depiction for labeling. Valve legend plays a schematic, standard role, in general, the differences in the valve legend are not big, but there will be some degree of regional differences.
Valve legend book includes what each type of valve legend, which also contains the ball valve, butterfly valve, gate valve, globe valve and other common valve symbols information. In the water supply and drainage professional drawing, the valve legend is an important reference material.
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