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Rotary PositiveDisplacement Meters - RPD Meters:
Rotary Positive Displacement Meters known as also RPD Meters: Rotary Meters are highly machined precision instruments capable of handling higher volumes and pressures than diaphragm meters. Within the meter, two figures "8" shaped lobes, the rotors(also known as impellers or pistons), spin in precise alignment. With each turn, they move a specific quantity of gas through the meter. The rotational movement of the crank shaft serves as a primary flow element and may produce electrical pulses for a flow computer or may drive an odometer-like counter
Media:Natural gas, town gas, propane, inert gases.
Industry:Gas supply, heating manufacturers, chemical industry