Data sheet
Gasketed Plate Heat Exchangers (DN 50 / 2”) S7A / S14A / S20A
Description
SONDEX® gasketed plate heat exchangers are the ideal choice for a wide range of applications across numerous market segments.
We have the largest plate portfolio in the world, and we customize each heat exchanger to meet your exact requirements. Innovative technologies and smart design make our gasketed plate heat exchangers a stellar investment.
Benefits:
•Individually customized solution that perfectly matches your requirements and lowers your energy consumption.
•High performance and a low pressure drop eliminate unnecessary burdens on your system and optimize overall system performance.
•The design results in a compact solution with a small footprint, simple installation, and easy access for maintenance.
Common applications:
•HVAC industry
•Marine/offshore industry
•Dairy/food/beverage industry
•Sugar industry
•Biogas industry
•Pulp and paper industry
•Heavy industry
•Mining industry
•Petrochemical industry
•Chemical industry
Main data:
•Min. temperature −10 °C
•Max. temperature 180 °C
•Max. working pressure 16 / 25 bar
•Water and different fluids, steam
•Connection size G 2A or DN 50
Approvals:
•Please contact your local Danfoss/SONDEX® sales representative for an overview of the available approvals in your region
Construction standard:
•EN13445 (PED 2014/68/EU)
•ASME sec VIII, Div. 1
| 2019.05 |
VD.JQ.N1.02 | 1 |
Data sheet |
S7A / S14A / S20A (DN 50) |
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Naming of units |
S14A-IS16-21-TKTL89 |
TKTL89 - Plate grouping 3)
21 - Number of plates in the heat exchanger
16 - Design pressure of the heat exchanger IS - Frame type 2)
14A – Type of heat exchanger 1)
S – Gasketed heat exchanger
1)
2)
Type of heat exchanger:
14 - …
Letter A shows type of the attachment of gasket to plate: e.g. 14 (without A) – SonderLock
14A (with A) – Hang-on
Description of frame types:
There are few different frame types which can be offered for different applications and duties. IS – with suspension roller,
IG – without suspension roller,
FS – food/sanitary with suspension roller, FG - food/sanitary,
ST – simple design of frame with threaded connections
3) Channel grouping:
In this example, the heat exchanger combines TK and TL channels. The share of TL channels equals 89% of the total number of channels.
The number of channels is defined as “the number of plates - 1”. TK - short thermal length
TM - medium thermal length TL - long thermal length
Heat exchanger design |
Gasketed heat exchangers consist of |
Carrying Bar
Plate Pack
Plate
Connections
Head
Flange Connections
Foundation Feet
Column
Follower
Tie Bolt
Guiding Bar
Anatomy of a SONDEX® plate heat exchanger - IS frame.
2 | VD.JQ.N1.02 |
| 2019.05 |
Data sheet |
S7A / S14A / S20A (DN 50) |
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Heat exchanger design |
Multi-pass design |
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(continued) |
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To the left: A multi-pass solution with connections |
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on the follower and the head. |
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To the right: A single-pass solution with |
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all connections on the head. |
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Connections
The heat exchanger may have connections on both front and back-end sides of the unit.
Connections on the front-end plate are marked with F and connections on the back-end plate are marked with B. The numbers 1, 2, 3 and 4 designate the position of the connection on the end-plate from the top-left port clockwise.
| 2019.05 |
VD.JQ.N1.02 | 3 |
Data sheet |
S7A / S14A / S20A (DN 50) |
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Technical data |
Heat exchanger S7A / S14A / S20A |
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Type |
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S7A |
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S14A |
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S20A |
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Max. working pressure |
PN |
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16, 25 |
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(bar) |
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Max. operating temperature |
°C |
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Up to 180 |
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Min. operating temperature |
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-10 |
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Flow medium |
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Water and different fluids, steam |
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Volume / Channel |
l |
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0.2 |
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0.35 |
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0.44 |
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Connection size |
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DN 50 / 2" |
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• DN 50/2” flanges. Carbon steel, rubberlined or cladded with AISI 316L (other |
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materials available on request) |
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Connection type |
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• 2” pipe or threaded pipe in stainless steel or titanium |
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• 2”/DN 50 dairy pipe or union. |
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According to all known standards |
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Stainless steel EN 1.4404 (AISI 316L), EN 1.4301 (AISI 304), SMO254, Hastelloy C276, |
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Plate material |
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titanium Gr.1 |
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Other materials available on request |
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0.4; 0.5; 0.6 |
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Plate thickness |
mm |
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2 x 0.4 SonderSafe plates 1) |
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Other thicknesses available on request |
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Gasket material |
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NBR, EPDM, FKM |
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Other materials available on request |
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Gasket attachment type |
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Hang-on |
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• Rubber NBR, EPDM, FKM |
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Liners in connections |
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• Stainless steel EN 1.4404 (AISI 316L), EN 1.4301 (AISI 304), SMO254, Hastelloy C276, |
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titanium Gr.1 |
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• Painted frame, color RAL 5010 (other colors available on request) |
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Frame |
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• Stainless steel frame, designed for the sanitary applications (e.g. food and dairy |
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industries) |
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Frame painting specification |
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Painting available for corrosion categories C2L, C4M, C5M |
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1) SonderSafe – double plate
Using the right plate for each individual duty is very important, as it greatly impacts the efficiency of the entire installation.
It is important that the length of the plates and the type of pattern match the requirements of individual thermal duty.
We have developed a wide plate portfolio to provide the perfect plate and connection size for any duty.
No application is too small or too big for us - we provide the optimal technical solution every time.
Our extensive SONDEX® plate portfolio includes plates that lie outside the commonly manufactured plate sizes to cover all thermal duties optimally.
SONDEX® |
Common |
plate |
plate |
range |
range |
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4 | VD.JQ.N1.02 |
| 2019.05 |
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