Air Cooled Heat Exchangers (ACHX)

Chart offers customized ACHX solutions for the most demanding requirements in the natural gas compression and petrochemical processing markets.

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Chart Cooler Service Company offers a complete range of forced and induced draft fin fan coolers with both horizontal and vertical configurations. Applications include process plants and refineries, gas compression and condensing , engine cooling, power generation and utilities. We also have an Aftermarket Division that is second to none for remanufacturing, spares, repairs and servicing for all industrial air coolers.

As a leading heat exchanger manufacturer, Chart uses proprietary thermal-design software combined with a 3rd party simulation package to deliver a comprehensive quotation package, including technical data sheets and drawings. Once in production parametric 3D modelling software is integrated with component manufacture for maximum accuracy and minimum lead time.

ACHX Models and Specifications

 

Air Cooler 101

What does an ACHX do?

An ACHX (or Fin Fan Cooler) is a simple pressure vessel that uses ambient air to reject heat from a liquid or gas. Unlike other types of heat exchanger no cooling water is required and operational costs are minimal.

Principal Applications

Chart designed and built fin fan coolers are primarily used in the petrochemical, refining, natural gas processing and power generation industries for

  • Gas compression
  • Gas transmission
  • Engine cooling
  • Gas condensing
  • Refinery process cooling
  • Industrial cooling applications

ACHX Nomenclature

Forced Draft – fans are positioned below the tube bundle and force air across the fin tubes. Forced draft coolers offer easy access to the tube bundle and lower horsepower.

ACHX Forced Draft

Induced Draft – fans are positioned above the bundle and pull across the fin tubes. Induced draft coolers offer improved air distribution and protection of the tube bundle from the elements.

Air Cooler Induced Draft

Air Cooled Heat Exchanger Nomenclature

ACHX Models

H Model

ACHX H Model Electric motor driven, horizontal fin fan cooler, available in both forced and induced draft, the H Model is typically employed in high horsepower natural gas, hydrocarbon and petrochemical processing services.

  • Available as forced (HF) or induced (HI) draft
  • Single or multiple fan (up to 4)
  • Fan sizes 36" to 168" diameter
  • Electric motor driven
  • Belt or gear drive
  • Cooling surface area up to 200,000 ft2 per bay (multiple bays can be linked for a single service)
  • Up to 7 individual services
  • Foundation mounted
  • Easy tube bundle access (HF model)
  • Galvanized structure and zinc metallic headers as standard

Principal applications:

  • Natural gas processing (acid gas removal, dehydration, NGL recovery, mercury removal, fractionation, sweetening)
  • Hydrocarbon processing
  • Petrochemical processing
  • Engine cooling
  • Gas compression (stage cooling)
  • Lube oil cooling
  • Refrigerant condensing

S Model

ACHX S ModelHorizontal inlet with top vertical discharge of hot air, the rugged, compact, forced draft S Model is typically utilised for engine cooling and in gas compression.

  • Forced draft
  • Single fan
  • Fan sizes 48" to 168" diameter
  • Engine or electric motor driven
  • Belt drive
  • Cooling surface area up to 75,000 ft2
  • Up to 7 individual services
  • Skid mounted

Principal applications:

  • Engine cooling
  • Gas compression (stage cooling)
  • Lube oil cooling

M Model

ACHX M ModelAvailable with up to 5 vertical fans and high surface area, the M Model provides maximum cooling performance for high horsepower, engine-driven engine cooling and gas compression applications. Narrow width and skid mount facilitate cost effective transport and efficient installation at site.

  • Forced draft
  • Single or multiple fan (up to 5)
  • Fan sizes 72" to 156" diameter
  • Engine driven
  • Belt drive
  • Cooling surface area up to 90,000 ft2
  • Up to 7 individual services
  • Skid mounted
  • Easy tube bundle access

Principal applications:

  • Engine cooling
  • Gas compression (stage cooling)
  • Lube oil cooling

L Model

ACHX L ModelInduced draft cooler offering high heat transfer surface area and a single fan diameter up to 168”. Chart ergonomic design incorporates access panels to facilitate easy maintenance.

  • Induced draft
  • Single fan
  • Fan sizes 48" to 168" diameter
  • Engine or electric motor driven
  • Belt drive
  • Cooling surface area up to 70,000 ft2
  • Up to 7 individual services
  • Skid mounted
  • Easy tube bundle access

Principal applications:

  • Engine cooling
  • Gas compression (stage cooling)
  • Lube oil cooling

V Model

ACHX V ModelRugged, robust, reliable solution for a variety of cooling applications through a range of options – induced and forced draft, engine or electric drive and belt or direct drive.

  • Available as forced or induced draft
  • Single fan
  • Fan sizes 36" to 72" diameter
  • Engine driven
  • Belt or direct drive
  • Cooling surface area up to 12,000 ft2
  • Up to 5 individual services
  • Skid mounted
  • Easy tube bundle access

Principal applications:

  • Engine cooling
  • Gas compression (stage cooling)
  • Lube oil cooling
  • Trim cooling
  • Industrial cooling

All Chart ACHX are offered with many applicable optional features available on request, including galvanizing (no additional cost), warm air re-circulation, maintenance access (platforms, ladders, panels), manual or automatic louvers, hail and bug screens, surge tanks and low noise configurations. Equipment is typically designed in accordance with API 661 and ASME code stamped. International design code compliance is available on request.

Aftermarket Parts and Accessories

From plugs to complete heat exchangers Chart can be relied on to provide immediate assistance no matter the severity of the issue.

  • Speak directly with an expert – we don’t use agents or intermediaries so you can be certain that your enquiry is being dealt with by an experienced member of our team  who understands the products and your needs
  • Same day dispatch on standard parts
  • Huge parts inventory and direct factory warehouse access for anything we don’t stock
  • Total supply for Chart brands – Cooler Service Company, Happy Division, Tri-Thermal and Esex
  • Extended inventory for Conrad, Goodfellow and Western brands

Learn More

Call 918-834-3600 or e-mail info@ChartLifecycle.com for immediate service.

 

Our Brands

In 2009 Chart unified industry-leading brands under one roof to provide the industry’s leading air cooler aftermarket portfolio. Cooler Service Company, Esex, Happy and Tri-Thermal are all Chart owned brands.

  • Cooler Service Company was established in 1987 as a service provider to the gas compression market.
  • Esex offered unique solutions for unusual cooling and heat reclamation applications in the process industry.
  • Happy Division was established in 1920 and built a reputation for quality and reliability supplying air coolers across the petrochemical and gas processing and refining industries.
  • Tri-Thermal was an aftermarket supplier of commercial water tower components and assemblies for evaporative and industrial refrigeration cooling towers.

 

  • Features
  • Specifications
  • Literature

Features Include:

Our standard service for air cooler supply includes:

  • Fully bolted construction
  • Galvanized finish
  • Test erection of loose items to ensure fit-up
  • Test running of motor driven units

 
Auxiliary equipment supplied upon request includes:

  • Header walkways
  • Drive maintenance platforms
  • Piperack spanning beams
  • Warm air recirculation systems
  • Steam coils
  • Ladders
  • Pipe supports
  • Surge tanks

Specifications Include:

Design Standards

  • API 661
  • TEMA R
  • TEMA C
  • ASME Section VIII, Div. 1
  • Canadian Standards
  • NACE MR0175
  • UBC Building Codes
  • ATEX
  • CE
  • PED