The mechanical metering pump is a motor that drives a worm gear pair to make a variable speed movement through a direct drive. Under the action of a crank connecting rod mechanism, the rotary motion is converted into a reciprocating linear motion. The so-called mechanical diaphragm pump1. Use the front and back movements of the diaphragm to change the diaphragm and the pump head to cause the ball valve to move up and down to form vacuum adsorption and push to achieve the purpose of liquid transportation.

2. Through the above action principle, it can simply know that any factor of the pump head, diaphragm, and ball seat of the metering pump cannot reach the delivery target or the flow rate is abnormal. The usual faults are that

③diaphragm damage.

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(3) It can transport high-viscosity media, abrasive slurries and hazardous chemicals;

(6) No safety relief device.

There are mounting holes at the bottom of the mechanical diaphragm metering pump for mounting anchor bolts.

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