Pulsafeeder OMNI Series DC7 Manual de usuario descargar pdf (Pagina 4)

1. Introduction

The OMNI

metering pump is positive displacement, mechanically operated reciprocating

diaphragm pump. Each pump consists of a power end and a process end separated by a Teflon

faced diaphragm. Individual pumps will vary in appearance due to various liquid ends and

accessories; however, the basic principles of operation remain the same.

2. Principles Of Operation

Figure 1, reagent head operation

A diaphragm reciprocates at a preset stroke length, displacing an exact volume of process fluid.

Diaphragm retraction causes the product to enter through the suction check valve. Diaphragm

advance causes the discharge of an equal amount of the product through the discharge check

valve.

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Pulsafeeder OMNI Series DC7 Manual de usuario Pagina 4