Classification of metering pumps:
According to the overflow section
Piston diaphragm type mechanical diaphragm type hydraulic diaphragm type.
According to the driving mode
Electromotor drive (2) electromagnetism drive
According to the way of work
(1) reciprocating (2) type (3) rotary (3) gear type
4. According to the characteristics of the pump
(1) extra large chassis, large frame, middle seat, small seat, computer seat.
Other classification methods are electronic control, air control, heat preservation, heating type, high viscosity type, etc.
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