Heat Exchangers-Allegheny Bradford Corporation

Heat Exchangers

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Whether it's a U-Tube, Straight-Thru or Coil heat exchanger, Allegheny Bradford is the leading manufacturer of sanitary shell & tube heat exchangers. We have built a reputation for quality in the design and manufacture of heat exchangers for pharmaceutical, biotechnology and other industries. As the recognized leader in the industry, we offer today's most advanced stainless steel processing technology, along with a team of dedicated professionals who are committed to providing you with products that deliver unparalleled performance and dependability, along with the responsive customer service you need.

When it comes to heat exchangers, ABC sets the industry standard. Quality is the cornerstone of our heat exchangers from start to
finish. Our engineering specialists work closely with you to custom design the most efficient, cost effective heat exchanger for your thermal transfer requirements.

From the documentation of raw materials in compliance with BPE codes, to the precision CNC machining of tubesheets and bonnets, to final finishing, testing and documentation, Allegheny Bradford Heat Exchangers are manufactured to deliver superior performance and trouble-free operation, even in the most demanding ultra-pure processing environments.

Allegheny Bradford Corporation custom designs every heat exchanger specifically to meet your exact application requirements. Specially designed computer software combines fluid dynamics, thermophysical properties, thermodynamics and actual empirical data to ensure your shell and tube heat exchanger design is perfect for your application.

Advantages

Custom designed, state-of-the-art hydraulic tube expansion – eliminates spiral stress and work hardening and minimizes damage to the tube finish
Double tube sheet- eliminates the possibility of cross contamination
ABC's insulation jacket - allows for independent expansion of the heat exchanger while eliminating stress on the shell side inlet and outlet ports
Fully radiused pass pockets - offers industry's best drainability
Custom designed, state-of-the-art orbital tube welders for tube-to-tubesheet seal welds
Proprietary tube-bending apparatus for U-tube designs ensures product contact surface finish adherence in the U-bend area
All heat exchangers with surface finishes of 0.6-µm to 0.3-µm include electronics-grade seamless tubing
Sanitary welded tubing is available for surface finishes of greater than 0.75-µm
100% BPE compliant
Stringent QA/QC procedures
Unsurpassed document control department to ensure receipt of all necessary validation documentation
Advanced thermal and mechanical design
Teams of dedicated professionals who are committed to the responsive customer service YOU need. We provide you with products that deliver unparalleled performance and dependability
Just a few of the standard features performed by our expert heat exchanger design team include:

Straight-thru, U-tube or Coil designs
100% vibrational and acoustic resonance analysis
All multi-pass exchangers, straight-tube or U-tube, include accurate counter-current and co-current flow analysis
The U-bend area of U-tube exchangers is not included in the heat transfer calculations or effective area
Precise expansion and contraction calculations are performed on all straight-tube exchangers to determine expansion joint necessity. (Expansion joints are not needed for U-tube designs)
Reynolds Numbers are reported with each design to report the efficiency of the design
Carefully calculated baffle-spacing, baffle-number, baffle-cut and baffle inlet/outlet locations
Precise tubeside and shellside pressure drop calculations are reported with every design (Based on your allowable pressure drop)
Precise tubeside and shellside velocity calculations are reported with every design (Utilizing industry accepted minimum values)
TEMA recommended fouling factors to your specific media
Excess surface area is added to every design
Ensures exchanger will operate as efficiently tomorrow as it does today
In the rare event of a ruptured tube, ABC can use a sanitary plug to seal-off the tube

Tech Specs

Our state-of-the-art fabrication technology uses high-pressure hydraulic expansion to seal the tube-to-tube sheet joints. This reduces the risk of roller expansion damage, as well as work-hardening effects and excessive thinning of the tubing. In addition, our proprietary integrated double tube design virtually eliminates the possibility of cross contamination. The result is consistent performance, reduced maintenance and extended equipment life.

Prior to shipment, every heat exchanger undergoes rigorous testing and comprehensive documentation procedures that can include:

Hydrostatic pressure testing
Dye penetration examination
Radiography
Steam testing
Computer-verified performance
Positive material identification (PMI)
Ferrite testing
Drainage testing
Saline testing
Profilometer readings of surface finish to ensure mechanical and electropolished surface finishes
to less than 10 microinches Ra
Fiber optic, borescopic tube inspection and videotaping of product contact surfaces on DVD
ASME Code Stamping with National Board Registration
You receive complete documentation to comply with your requirements, including data reports, seismic calculations, production drawings, material test reports, and certifications of hydrotest, passivation, surface finish and electropolishing.

We have complete certification - CE, U ASME VIII Stamp, UM ASME VIII Stamp, and Chinese License

Codes and Standards- UL-508A, ASME, CRN, Bioprocessing Equipment Standards Committee, GMP, 3-A, Ministry of Manpower (MOM), ASTM, TEMA, The National Boiler and Pressure Vessel Inspectors