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EO / EOS
 

 

Semi-Open Impeller Pump

Series EO / EOS

 


Discharge
DN50 – 500 mm (2¨ - 20¨)

 Capacity
Up to 1500 l/sec (23’400 usgpm)

 Head
Up to 240 m (780 ft)

 Application
Various slurries, shear sensitive applications, gentile pumping of soft solids, slurries containing up to 25% entrained air or gas, fibrous material, homogeneous solids, single, two and three phase liquids.
 

 
Semi-Open Impeller pumps - Series EO / EOS  - pump hydraulic design
 
Advantages
 


* High Hydraulic efficiency.
* Low wear characteristics.
* Ideal for single, two & three phase liquids.
* Designed for entrained air/gasses handling up to
   25% by volume.
* Externally adjustable front wear plate.
* Optional back wear plate.
* Versatility of design.
* Simplicity of design.
* High performance pressure relief-balancing vanes
* Wide choice of sealing arrangements.
* Centre line discharge-self venting casing.
* Low life cycle costs (LCC).
* Long mean time between failures (MTBF)
 
 

Semi-Open Impeller Pumps - Series EO / EOS -  pump Construction

 
Dry well design's
 


H
Horizontal Long Coupled pump driven by foot mounted motor.

 HPT
High Pressure / High Temperature design

 HF
Horizontal Close Coupled pump driven by flange mounted motor.

VK
Vertical Long Coupled pump cardan / prop.
shaft driven flange mounted motor.

 VF
Vertical Close Coupled pump driven by flange mounted motor.

V
Vertical Long Coupled pump driven by flange mounted motor.

 
Dry well/Wet well designs with dry-mounted motor
 
 

S
Vertical enclosed shaft driven pump tank top mounted with dry mounted motor.

 F
Vertical enclosed shaft driven pump free standing with dry mounted motor.

 SO
Vertical cantilever pump bearing housing and flange mounted motor above tank.

 SOK
Vertical cantilever pump short version of SO design.
 

Wet well designs
 
 

U
Vertical submersible fixed installation with submersible electric motor.

 UM
Vertical Submersible free standing with submersible electric motor.

 FUH
Vertical Submersible free standing with hydraulically driven motor.
 

 
   
 

Shaft Sealing

System VARIOSEAL®
 


The shaft seal is designed in such a way that different seal arrangements can be fitted without modification to the pump casing cover (modular design program).

 

  • Soft Packed Glands acc. to DIN 3780

  • Cartridge and Special Purpose Seals

  • Single & Double Mechanical Seals acc. to DIN 24960
 

The hydraulic part of the EGGER EO / EOS series pumps are available in the following materials as standard:

 
EN-GJL-250
(GG 25)		 ASTM A 48 - 40B DIN EN 1561 cast iron
Hardness: 180-250 (HB)
EN-GJS-400-15
(GGG 40)
 		 ASTM A 536
(60-40-18)		 DIN EN 1563 nodular cast iron
Hardness: 120-180 (HB)
1.4409
 		 ASTM A 743
CF- 8M		 DIN EN 10283 Austenitic stainless steel,
GX2CrNiMo19-11-2
1.4588
 		 ASTM A 743-03 DIN EN 10283 Fully Austenitic stainless steel
GX2NiCrMoCuN 25-20-6
1.4593 ASTM A 781-05 DIN EN 10283 Austenitic/Ferritic stainless steel
GX3CrNiMoCuN24-6-2-3
HG 25.3 ASTM A 532-93
III A 25% Cr		 Abrasion resistant alloyed cast iron (G-X150 Cr 25)
Hardness: 570-665 (HB)

 
On request:

All cast metals, such as Ni-resist, duplex and super duplex stainless steel, Hastelloy® B and C, titanium, zirconium, nickel, etc. conforming to European standards with American and Asian material equivalents.

 

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Copyright © 2010 ROTEQ Engineering Pte Ltd
Last modified: 2010-08-18