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Shell and tube heat exchangers comparison

Shell and tube heat exchangers comparison

The table below compares different type of shell and tube heat exchangers based on different design characteristics:

+ Fixed tube sheet
+ U Tube
+ Packed Floating Head
+ Internal Floating Head
+ Outside Packed Floating Head
+ Pull Through Floating Head

 

Design
Characteristics

Fixed
Tube Sheet

U-Tube

Packed
Floating Head

Internal
Floating Head

Outside Packed
Floating Head

Pull-Through
Floating Head

Thermal Expansion

Expansion
joint in shell

Tubes
allow to
expand

Floating head
allows for
expansion

Floating head
allows for
expansion

Floating head
allows for
expansion

Floating head
allows for
expansion

Bundle Removal &
Replacement

No

Yes

Yes

Yes

Yes

Yes

Tube Replacement

Yes

Limited to
outside row
only

Yes

Yes

Yes

Yes

Chemical Tube
Cleaning Internally
and Externally

Yes

Yes

Yes

Yes

Yes

Yes

Mechanical Internal
Tube Cleaning

Yes

Yes
Specific tools
required

Yes

Yes

Yes

Yes

Hydraulic Jet
Cleaning of Tubes:
Internally

Yes

Yes
Specific tools
required

Yes

Yes

Yes

Yes

Externally

Yes

Yes

Yes
Specific tools
required

Yes

Yes

Yes

Mechanical External
Tube Cleaning:
Square Pitch

Yes

Yes
Specific tools
required

Yes

Yes

Yes

Yes

Internal Joints
Required

No

No

No

Yes

No

Yes

Cost Compared
to each other
1 being high,
5 being low

2

1

3

5

4

5

Operating Pressure:
Shell Side

High

High

Low
(2070 kPa)

Moderate
(5250 kPa)

Moderate
(4200 kPa)

High
(7000 kPa)

Tube Side

High

High

Low
(2070 kPa)

Moderate
(5250 kPa)

High
(4200 kPa)

High
(7000 kPa)

Operating
Temperature

Low

High

Moderate
(< 190ºF)

Moderate
(< 190ºF)

Fouling Preferred
Location:
Shell Side Fluids

Non-fouling

Fouling

Non-fouling

Non-fouling

Non-fouling

Non-fouling

Tube Side Fluids

Fouling

Non-fouling

Fouling

Fouling

Fouling

Fouling

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