Axial Flow Pumps
Axial Flow Pumps
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APPLICATION
The JEC Axial Flow pump is unmatched in the industry for high volume / Low head pumping requirements, especially when corrosive and/or abrasive solutions are involved. Mainly used in the followingapplication:
- Evaporator and Crystallizer Circulation
- Phosphate, Soda Ash, Potash and Sodium Chloride Processing
- Polypropylene Reactors, Xylene application
- Black Liquor Evaporator, Chlorine Dioxide Generators
- Sewage Digesters
- Raw Water pumping, Flood control, Marine Ballast transfer
DESIGN
The Axial Flow pump generates flow by the thrust or lift action of rotating axial vanes of the impeller. The pump has an elbow that directs the flow through the suction and out the discharge end of the pump. It can be used in the top or end suction configuration depending upon the need and Flange dimensions, bolt circle and holes comply with ANSI B16.5, 150#. The back pull out design (up to 14" size) allows for easy maintenance and repair as the rotating element may be removed without disturbing the pipe work. Pump has wear rings as standard and lifting eye on bearing bracket.
DESIGNATION
Model / type - AF
Suction & Discharge Diameter (inch) - 14
CONSTRUCTION
Horizontal non self priming pump with back pull out design (up to 14" size & bigger size available on request). The "back pull out" design allows for the maintenance of the pump without disturbing the pipe work connected to the casing, or the pump alignment.
FLANGE DRILLING
ANSI B16.5,150# SORF. - Standard
DIN - Optional
CASING
Casted or fabricated elbow with precise machined for minimum gap between propeller and casing.
Liner type casted casing also available.
SHAFT
The shaft is of the wet type, which comes in contact with the pumped liquid.
BEARING
Oil lubrication - Standard
Max. Pump temperature 150°C
The bearing arrangement consists of Single Row Angular Contact Ball Bearing and Spherical Roller Bearing. Oil Level Indicator is provided for oil level checking and maintaining.
Grease lubrication - Optional
Max. Pump temperature 150oC
The use of grease as a bearing lubricant is available as an option. Bearing are shielded and greased for life.
SEALING OPTIONAL
- Stuffed Packing Box
- Single / Double Mach. Seal with cartridge type arrangement
- Other available as per request
ACCESSORIES
DRIVE
- Direct
- V-belt, Pulley Drive
- Gear Box Drive
BASE PLATE
Base plates for electric drives are available in two variety of styles. Standard: fixed and grouted directly to the foundation Anti vibration: rigid base plate on rubber mounts.
PUMP SELECTION
For Pump selection the hydraulic performance curves should be used.
These curves are based on water 20°C and specific Gravity equal to 1.0.
NSPH valves are indicated on the performance curves. At least 1.5 meter must be added as a safety margin.
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