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 PTFE 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.
Models DC2, 3, 4, 5,
Installation, Operation Maintenance Instruction
Safety Considerations
Pulsafeeder Factory Service Policy
Table of Contents
14.1
Principles Of Operation
Introduction
Gear Ratio Assembly
Reagent Head Assembly
Control Assembly
Equipment Inspection
Installation
Storage
Location
Piping System
Discharge Pressure Requirements
Suction Pressure Requirements
Fastener Inspection
Output Adjustment
Equipment Startup
Process flow
Priming the Reagent Head
Sample flow calibration curve
Calibration
Lubrication
Maintenance
Wet end components
Wet End Removal, Inspection, & Reinstallation
Diaphragm Removal & Reinstallation
General Description
Check Valves
Check valves, DC3 and DC
Check Valve Removal & Reinstallation, Cartridge type
DC5 and 6 check valves, metal construction
Gearset Removal
Motor Removal & Reinstallation
Gearset components
Gearset Replacement
Ordering KOPkits or Parts
Replacement Parts
KOPkit Program
Pump Model Wetted Material Connection Type KOPkit number
KOPkit numbers by model
NPT
Model Number Identification
Pvdf
Wet End Materials Reference
Difficulty Probable Cause Remedy Pump does not start
Troubleshooting
Difficulty Probable Cause Remedy Noisy gearing
Pressure Relief Valves
Piping Accessories
Letters reference dimensional table on next
Dimensional Drawing
DC5 PP/PVDF
Parts diagram, DC2
Parts Diagrams and Parts Lists
Description QTY Part Number
Bill of Materials, DC2
Name TAG
Bill of Materials, DC3
4 7 0 0 4 1 S T L
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Parts Diagram, DC4, 5,
Bill of Materials, DC4
DC4/5 Gearbox
Bill of Materials, DC5
Tiebar
Bill of Materials, DC6
DC4/5/6 Gearbox
Page
Standard Pump Operations