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KSB MEGAFLOW 80-250 User Manual

KSB MEGAFLOW 80-250
46 pages
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Operating Instructions Manual
NºA2370.8E/2
KSB MEGAFLOW
Pumps for Sewage, Effluents and Mixtures
1. Application
The KSB MEGAFLOW centrifugal pump is
recommended for industrial and municipal waste water,
as well as all kinds of pulps not liable to plait, sewage
water, chemical effluents.
- Municipal and industrial waste-water treatment
- Drainage
- Pulp and paper
- Food processing
- Sugar and alcohol
- Mining and manufacturing
- Civil construction
2. Design
Horizontal, single-stage, simple horizontal suction and
vertical upwards discharge. The “back-pull-out” design
allows maintenance and repair services through the back
side, without dismantling piping and alignment.
The available hydraulics and impeller types allow proper
selection for the handled liquid and required application.
3. Designation
KSB Megaflow 50 - 160 K
Trade Mark
Model / Type
Discharge Nozzle Diameter (mm)
Nominal Impeller Diameter (mm)
Rotor
4. Operating Data
Sizes - DN 50 up to 350
(2 ½” to 14” )
Flow - to 11,000 gpm
(2,500 m
3
/h)
Head - to 328 ft (100m)
Temperature - to 221
º
F (105
º
C)
Max. Suction pressure - to 43 psi (3 bar)
Speed - to 3,500 rpm
LINE: Mega

Table of Contents

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KSB MEGAFLOW 80-250 Specifications

General IconGeneral
Pump TypeCentrifugal pump
Nominal Diameter (DN)80 mm
Impeller Diameter250 mm
Speed (n)2900 rpm
Max. Operating Pressure16 bar
Max. Operating Temperature120 °C
Housing MaterialCast Iron
Shaft SealMechanical Seal

Summary

1. Application

Municipal and industrial waste-water treatment

Lists recommended industrial and municipal waste-water applications.

2. Design

Horizontal, single-stage, simple horizontal suction and vertical upwards discharge

Explains the pump's horizontal, single-stage, back-pull-out design for maintenance ease.

4. Operating Data

Flow

Lists the maximum flow rate achievable by the pump.

Head

Indicates the maximum head the pump can generate.

Temperature

Specifies the maximum permissible liquid temperature.

Max. Suction pressure

Defines the maximum allowable suction pressure for the pump.

Speed

Lists the maximum rotational speed of the pump.

6. Technical Data

6.1 Bearings

Details bearing types, sizes, and specifications for different pump models.

6.2 Maximum speed

Lists maximum impeller diameters based on pump size, fluid density, and speed.

7. Constructive Details

8. Shaft seal Selection

9. Mechanical Seal

12. Installation

12.1 Base Grouting

Explains the process of foundation block grouting for stable and secure pump mounting.

12.2 Base Leveling

Details how to ensure the pump base plate is perfectly leveled using shims and checks.

12.3 Grouting

Describes the grouting process for secure, vibration-free pump installation using specific compounds.

12.4 Coupling alignment

Explains the importance and procedure for accurately aligning pump and motor shafts.

12.5 Suction Pipe Line - Recommendations

Offers guidance on installing suction piping for optimal performance and issue prevention.

14. Operation

14.1 First start-up procedure

Outlines the essential steps for the initial, safe start-up of the pump.

14.2 Immediate steps after first start-up

Describes actions to take immediately after initial pump start-up for monitoring.

15. Maintenance

15.6 Dismantling instructions

Provides step-by-step instructions for safely disassembling the pump for maintenance.

15.7 Assembly Instructions

General instructions for reassembling the pump components after maintenance.

16. Operational problems, Probable Causes e Solutions

17. Cross Sectional Drawing / Parts List / Materials

19. Recommended Spare Parts

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