USED DAEKYUNG MACHINERY & ENGINEERING AJ21S 58X288

Unused- 4 Pass Shell & Tube Heat Exchanger, 6,633 Square Feet, Carbon Steel, Horizontal. Shell rated 382 psi/ full vacuum at -20 to 650 degrees F. (1122) 1" Diameter x 24' long tubes rated 297 psi/ full vacuum at -20 to 650 degrees F. Openings: shell (2) 20", (1) 24"; tubes (2) 14". Saddle mounted. Mfg. Daekyung Machinery & Engineering. Serial# DK2007-231. National Board # 2480. Built 2008. Dimensions 408"L X 96"W X 130"T. Weight 103,000 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.

Used Equipment Facts About This Machine
Manufacturer Information:
Daekyung Machinery & Engineering is listed as the manufacturer of this unused shell and tube heat exchanger. The unit is identified as Model AJ21S 58X288 and is built as a horizontal 4-pass carbon steel shell and tube heat exchanger. This type of exchanger is commonly used in industrial process heating, cooling, condensing, and heat recovery applications where large heat transfer area, carbon steel construction, and pressure/full vacuum ratings are required.
Main Product Description:
Available for sale is an unused Daekyung Machinery & Engineering AJ21S 58X288 4-pass shell and tube heat exchanger with approximately 6,633.6 square feet of heat transfer surface area. This horizontal saddle-mounted carbon steel exchanger includes a shell rated for 382 psi/full vacuum at -20 to 650 degrees F and (1122) 1" diameter x 24' long carbon steel tubes rated for 297 psi/full vacuum at -20 to 650 degrees F. The exchanger includes carbon steel shell, carbon steel tubes, carbon steel head, shell openings of (2) 20" and (1) 24", tube openings of (2) 14", Serial #DK2007-231, National Board #2480, 2008 year built, and overall dimensions of 34' L x 8' W x 130" T. This unused industrial shell and tube heat exchanger is suited for demanding process heating, cooling, condensing, and heat recovery applications requiring a large horizontal carbon steel exchanger.
Specifications:

Stock Number: 46379011
Manufacturer: Daekyung Machinery & Engineering
Model: AJ21S 58X288
Equipment Type: Shell and tube heat exchanger
Configuration: 4-pass shell and tube heat exchanger
Condition: Unused
Heat Transfer Surface Area: 6,633.6 sq. ft.
Orientation: Horizontal
Mounting: Saddle mounted
Shell Material: Carbon steel
Tube Material: Carbon steel
Head Material: Carbon steel
Shell Pressure Rating: 382 psi/full vacuum
Shell Temperature Rating: -20 to 650 degrees F
Tube Pressure Rating: 297 psi/full vacuum
Tube Temperature Rating: -20 to 650 degrees F
Tube Count: 1,122 tubes
Tube Diameter: 1"
Tube Length: 24'
Number of Shell Openings: 3
Shell Openings: (2) 20", (1) 24"
Number of Tube Openings: 2
Tube Openings: (2) 14"
Serial Number: DK2007-231
National Board Number: 2480
Year Built: 2008
Overall Dimensions: 34' L x 8' W x 130" T
ASME Stamp: Yes
Listed Weight: 103,000 lbs.
Documentation: Available
Preservation Detail: Nitrogen purged by manufacturer after testing and prior to storage.

Product Details:

Unused Daekyung Machinery & Engineering shell and tube heat exchanger
Model AJ21S 58X288
4-pass shell and tube configuration
Approximately 6,633.6 sq. ft. heat transfer surface area
Horizontal saddle-mounted design
Carbon steel shell
Carbon steel tubes
Carbon steel head
Shell rated 382 psi/full vacuum at -20 to 650 degrees F
Tube side rated 297 psi/full vacuum at -20 to 650 degrees F
Includes (1122) 1" diameter x 24' long tubes
Shell openings include (2) 20" and (1) 24"
Tube openings include (2) 14"
Serial #DK2007-231
National Board #2480
Built in 2008
Overall dimensions: 34' L x 8' W x 130" T
Suitable for industrial process heating, cooling, condensing, and heat recovery applications

Applications:

Chemical processing
Petrochemical processing
Refinery process service
Oil and gas processing
Process fluid heating
Process fluid cooling
High-temperature process service
Condensing service
Heat recovery
Waste heat recovery
Power generation systems
Steam and condensate recovery
Industrial utility systems
Thermal fluid systems
Vacuum-rated process applications
Large-scale industrial heat transfer

Suitable Products / Materials:

Process water
Cooling water
Condensate
Steam service, depending on process requirements
Hydrocarbon streams, subject to compatibility review
Chemical process fluids, subject to compatibility review
Thermal fluids, subject to compatibility review
Glycol solutions, subject to compatibility review
Oil-based process fluids, subject to compatibility review
Other compatible non-corrosive or carbon-steel-compatible process fluids

FAQs:

What type of heat exchanger is this?
This is an unused 4-pass shell and tube heat exchanger with carbon steel shell, tubes, and head.

Who is the manufacturer?
The manufacturer is Daekyung Machinery & Engineering.

What is the listed model?
The listed model is AJ21S 58X288.

What is the heat transfer surface area?
The listed heat transfer surface area is 6,633.6 square feet.

What materials of construction are listed?
The shell, tubes, and head are listed as carbon steel.

What are the pressure and temperature ratings?
The shell is rated 382 psi/full vacuum at -20 to 650 degrees F. The tube side is rated 297 psi/full vacuum at -20 to 650 degrees F.

How many tubes does this exchanger have?
The listing states the exchanger has (1122) 1" diameter x 24' long tubes.

What are the shell and tube opening sizes?
The shell openings are listed as (2) 20" and (1) 24". The tube openings are listed as (2) 14".

What are the overall dimensions?
The listed overall dimensions are 34' L x 8' W x 130" T.

What year was this heat exchanger built?
The listed year built is 2008.

Is the listed weight available?
103,000 lbs.

Can this heat exchanger be used for chemical or refinery service?
This type of carbon steel shell and tube heat exchanger is commonly used in chemical, petrochemical, refinery, oil and gas, and industrial process applications, but final suitability depends on process fluid, corrosion profile, pressure, temperature, and buyer engineering review.

Can Aaron Equipment help with shipping?
Yes. Aaron Equipment can help coordinate freight, loading, logistics, and shipping support for used industrial equipment purchases. Buyers should contact Aaron Equipment with the stock number, destination, and shipping requirements.

How can Aaron Equipment help with this purchase?
Aaron Equipment can provide a quote, answer equipment questions, review available photos and specifications, help confirm available documentation when available, and assist with logistics for this unused Daekyung Machinery & Engineering shell and tube heat exchanger.
PRODUCT DETAILS

Unused shell and tube heat exchanger
Daekyung Machinery heat exchanger
Daekyung AJ21S 58X288 heat exchanger
4-pass shell and tube heat exchanger
Carbon steel shell and tube heat exchanger
6633 sq. ft. heat exchanger
Horizontal shell and tube heat exchanger
High-temperature shell and tube heat exchanger
Industrial heat exchanger
Process heat exchanger
Carbon steel heat exchanger
Large shell and tube heat exchanger
High-pressure heat exchanger
Full vacuum rated heat exchanger
Saddle mounted heat exchanger
24 foot tube heat exchanger
Chemical processing heat exchanger
Petrochemical heat exchanger
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