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Products

Heat Exchangers

As a company that prides itself on being as efficient as possible Metro Services, Inc. (MSI) takes heat recovery and heat exchangers very seriously. Any heat going out a stack is money lost and natural resources spent. Inasmuch, we work with several leading-edge companies that design and manufacture energy recovery systems. MSI’s combustion expertise integrated with the technology of these heat recovery companies results in the most energy efficient systems available today.

Available products include:

  • Shell & Tube Heat Exchangers
  • Plate Heat Exchangers
  • Plate & Frame Heat Exchangers
  • Double Tube Bundle Shell & Tube Heat Exchangers
  • Shell & Tube Heat Exchangers
  • Heat Recovery Systems

ECLIPSE

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Exothermics Air to Air Industrial Aluminum Heat Exchanger

The Exothermics Air to Air Industrial Aluminum Heat Exchanger is built to handle the toughest applications with ease, and that’s because it’s constructed of the highest quality aluminum. A single sheet of .025″ non-embossed heavy gauge aluminum is stamped and folded to form a one piece heat transfer core featuring 1/2″ W-I-D-E plate spacing. The core is enclosed in an 8 guage aluminum casing, complete with aluminum extrusions and angles for duct connections.

It’s fixed plate, counterflow design allows the hot airstream to pass through the exchanger from end to end and the cold airstream to pass through in counterflow.

The two segregated airstreams flow through individual passages formed by the plates within the exchanger, allowing the cold inlet air to enter at the end where the exhaust air exits, and to leave at the end where the hot exhaust air enters. The plate separating the two airstreams acts as the heat transfer medium.

Features:

  • Hi-Temp (HT)
  • All Welded (AW)
  • Max Operating Temp 450°F (230°C)
  • 500°F (260°C)
  • Max Differential Pressure 6″ w.c. (15 mbar) 6″ w.c. (15 mbar)
  • Volume Range CFM (m3hr) 400-11,200 (680-19,000) 400-11,200 (680-19,000)
  • Removable Access Cover
  • 1/2″ wide plate spacing
  • 8 ga. aluminum casing
  • Mechanical or welded end seals
  • Welded primary seals

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Exothermics Cross-Flow Recuperators

Exothermics Cross-Flow recuperators are compact tubular air-to-air heat exchangers designed to recover waste heat from industrial exhaust gases. The recovered heat is used to preheat combustion air for the system’s burners, thereby increasing fuel efficiency.

Cross-Flow recuperator tubes are high grade nickel-chromium alloy and stainless steel enclosed in an insulated carbon steel housing.

Features:

  • Max Operating Temp 2100°F (1150°C)
  • Volume Range 160 – 2300 CFM (270 – 3900 m3/hr)
  • 4 Sizes Available
  • Inputs from 1,500,000 to 10,000,000 Btu/hr (440 to 2900 kW)
  • No expansion joints required
  • Low pressure drops
  • Wide range of inputs Compact, durable construction
  • Integral insulated enclosure

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High Temperature Insulated Heat Recuperator

The High Temperature Insulated Heat Recuperator “IR” achieves top heat transfer efficiency by exposing a maximum surface area to the largest possible amount of hot gas. The unit uses a proprietary counterflow design that produces improved heat transfer between two airstreams. Surface exposure is increased by corrugating heat transfer plates to achieve a sinusoidal wave pattern. The plates are spaced 1/2″ apart for maximum air flow and minimum pressure drop. This design creates air flow turbulence as the air passes counterflow through the unit, maximizing heat transfer.

As your process air enters the unit, it is directed over the corrugated plates in a counterflow direction to the heated air. Heat from the waste stream is absorbed by the plates and transferred to the cooler airstream… then exits the unit as recovered heat you can reuse or recycle. Airstream temperature can be as high as 1500°F. The unit is equipped with all welded bellows type internal expansion joints of a high-temperature alloy. This allows for the expected growth when operating at high temperatures. Four inches of high-temperature insulation reduces heat loss through the exterior stainless steel casing.

Get the added effectiveness provided by the 4″ of high-temperature insulation with this recuperator.

Designed for applications up to 1500°F, the insulated recuperator is constructed from special high-temperature alloys. The all welded assembly protects from airstream cross contamination. The insulation between the inner and outer casing of the unit greatly diminishes heat loss.

Roll-formed metallic internal expansion joints allow for the thermal expansion that accompanies high-temperature operation. Optional airflow configurations are available to fit the needs of your high- temperature thermal incinerators, furnaces and combustion preheat systems.

Individual plates are continuously welded to form a series of passages with a minimum 1/2″ spacing between plates. Primary seal welds at each end of the unit separate the two airstreams, making the unit virtually leak-free. By utilizing different plate sizes, the heat transfer effectiveness range is 50% to +70%.

Features:

  • Max Operating Temp 1500°F (815°C)
  • Volume Range 100-10,000 CFM (170-17,000 m3/hr)
  • 4″ High temperature insulation
  • 1/2″ wide plate spacing
  • 3″ Stainless steel flanges
  • Allows internal thermal expansion

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Exothermics Extern-a-Therm Recuperator

Exothermics Extern-a-Therm recuperators are tubular air-to-air heat exchangers designed to recover waste heat from industrial exhaust gases. The recovered heat is used to preheat combustion air for the system’s burners, thereby increasing fuel efficiency.

Cross-Flow recuperator tubes are constructed of grade nickel-chromium stainless steel mounted in an insulated carbon steel housings lined with insulation suited to the application.

Three different housing configurations can be supplied to accommodate various mounting arrangements. The recuperator may also be rotated within the housing to position the air and exhaust connections as required.

Features:

  • Max Operating Temp 2100°F (1150°C)
  • Volume Range 160 – 2300 CFM (270 – 3900 m3/hr)
  • 4 Sizes Available
  • Inputs from 100,000 to 2,500,000 Btu/hr (30 to 730 kW)
  • No expansion joints required
  • Low pressure drops
  • Wide range of inputs
  • Lightweight, durable construction
  • Single ended tube design
  • Built-in dilution air intake if required

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Exothermics Mini Stainless Steel Heat Exchanger

The Exothermics Mini Stainless Steel Heat Exchanger is the answer to heat recovery needs in systems with low air volumes. Designed specifically for systems with SCFM volumes of 100 to 500 and temperatures up to 1200°F, the Mini Heat Exchanger provides optimum heat recovery. The removable access cover on the exhaust airstream makes it possible to clean the unit and maintain peak effectiveness.

The Exothermics Mini Stainless Steel Heat Exchanger is a fully welded assembly that provides structural and airstream integrity. This is accomplished with features such as a continuously welded primary seal that separates the two airstreams and fully welded end seals. Constructed of stainless steel alloy, the Mini Heat Exchanger provides efficient heat recovery on applications including thermal and catalytic oxidizers, boilers, dryers, ovens, furnaces and kilns.

Features:

  • Max Operating Temp 1200°F (650°C)
  • Volume Range 100-500 CFM (170-850 m3/hr)
  • All welded construction
  • All stainless steel construction
  • Temperatures up to 1200°F
  • Compact counterflow design
  • Removable exhaust access cover
  • 2-1/2″ formed stainless steel flanges
  • W-I-D-E (3/8″) plate spacing

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Stainless Steel Heat Exchanger

Stainless steel heat exchangers are available in both SP and HP series and in a size and performance efficiency to match your specific application… whether an oven, dryer, or indirect heater. Our range of exchangers permits you to match the right exchanger and attain the optimum efficiency for your operation.

High heat transfer effectiveness is produced by corrugating the heat transfer plates to achieve a sinusoidal wave pattern. The corrugated surface creates air flow turbulence as the air passes through the unit. Heat transfer is further enhanced by using a counterflow design. Plate sizes vary from 12″, 36″, 42″ and 48″, with unit lengths of 50″, 74″ and 98″.

As your process air enters the unit, it’s directed over the corrugated plates counterflow to the heated air. Heat from the waste air is absorbed by the plates and transferred to the cooler airstream… then exits the unit as recovered heat you can reuse or recycle.

SP Series

The Standard Performance series has transfer plates spaced 1/2″ apart. It combines a compact design with the structural integrity of stainless steel. The SP is available in two models:

  • SP-VT models (Very High Temperature) models are all stainless steel, built to withstand air-stream temperatures up to 1200°F.
  • SP-HT (High Temperature) models feature stainless steel built to withstand airstream temperatures up to 1000°F.

HP Series

The High Performance series has transfer plates spaced 3/8″ apart, providing a higher heat transfer than the SP series of the same size. The HP is available in two models:

  • HP-VT (Very High Temperature) models are all stainless steel to withstand airstream temperatures up to 1200°F.
  • HP-HT (High Temperature) models feature stainless steel plates to withstand airstream temperatures up to 1000°F.

Features:

  • Max Operating Temp 1500°F (815°C)
  • Volume Range 100 to 10,000 CFM (170 to 17,000 m3/hr)
  • Allows thermal expansion
  • High temperature alloy construction
  • Internal, external or no insulation
  • Fully welded construction
  • Custom engineered per application

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Exothermics Tubular Heat Recuperators (THR)

Exothermics Tubular Heat Recuperators (THR) are air-to-air heat recovery units that effectively reclaim heat from catalytic incinerators, furnaces, thermal oxidizers and many other high temperature process and environmental applications.

But that’s just the beginning. They also help you lower energy costs, easily and effectively control process air temperatures and reclaim a fast return on investment.

No other company manufactures a more effective Tubular Heat Recuperator than Exothermics. Our units are installed in hundreds of sites around the world, and we are quickly becoming the preferred choice for high temperature heat recovery equipment. Here’s why— Our Tubular Heat Recuperators are accepted and endorsed worldwide because they simply perform better.

Features include:

Boundary Layer Breakdown
Exothermics Tubular Heat Recuperators have a proprietary tubular core design in which the placement of the heat recovery tubes assures a breakdown of air boundary layers in and around the tubes. The design creates a turbulent movement of the hot gas and process airstreams, resulting in more efficient heat transfer and optimum heat recovery.

Multi-Pass Designs

Crossflow and multiple pass designs are available. Multiple pass designs are used when the application requires greater effectiveness.

Units can be manufactured so that the multiple passes are on the shell side, where the gas stream passes over the tubes several times before exiting the recuperator. Other applications may require a multiple tube pass design.

Insulation

Various options are available. Our Tubular Heat Recuperators can be ordered without insulation or with external insulation when a hot flange connection is required. Where cold flange connections are involved, the unit is designed with internal ceramic fiber insulation.

Rugged Construction

Exothermics Tubular Heat Recuperators are all welded assemblies constructed from stainless steel or other high temperature alloys. Each unit is custom engineered, then carefully fabricated and quality tested by certified welders and experienced craftsmen. Where required, a mechanism for accommodating thermal expansion is provided. And because our tubular heat recuperators are of all welded construction, internal cross contamination is virtually eliminated.

Features:

  • Max Operating Temp 1600°F (870°C)
  • Volume Range to 50,000 CFM (to 85,000 m3/hr)
  • Allows thermal expansion
  • High temperature alloy construction
  • Internal, external or no insulation
  • Fully welded construction
  • Custom engineered per application

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Recirculating High Temperature (RHT)

Recirculating High Temperature (RHT) indirect air heating burners are designed to heat recirculating ovens and dryers where the products of combustion must be isolated from the process air stream. They are also excellent for use in industrial space heating systems. These burners feature an industry proven burner, firing chamber and exhaust tube assembly as a single unit for easy installation and optimum performance.

Features:

  • Process Temperature 550°F (290°C)
  • 9 Sizes Available
  • 188,000 – 2300 Btu/hr (55 – 880 kW)
  • Completely packaged design
  • Low process air flow pressure drops
  • Valve train and control panel options available
  • Front access for easy maintenance
  • Separates products of combustion from process air stream
  • Available as side plate or duct unit
  • Low NOx in external exhaust stream
  • High temp. limit and air flow switch standard
  • Design provides for thermal expansion
  • Indirect fired ovens/dryers
  • Industrial space heating

HEATCO

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Process Heater

Heatco engineers and manufactures heat exchangers for both replacement and oem applications. Whether it is for a custom one time application or for thousands, Heatco’s unique experience in combustion and manufacturing enables us to meet your needs with the ‘right solution at the right price.

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Process Heater Packaged

Heatco engineers and manufactures heat exchangers for both replacement and oem applications. Whether it is for a custom one time application or for thousands, Heatco’s unique experience in combustion and manufacturing enables us to meet your needs with the ‘right solution at the right price.

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Heatco Duct Furnace

Heatco engineers and manufactures heat exchangers for both replacement and oem applications. Whether it is for a custom one time application or for thousands, Heatco’s unique experience in combustion and manufacturing enables us to meet your needs with the ‘right solution at the right price.

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Duct Furnace

Heatco engineers and manufactures heat exchangers for both replacement and oem applications. Whether it is for a custom one time application or for thousands, Heatco’s unique experience in combustion and manufacturing enables us to meet your needs with the ‘right solution at the right price.

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Heatco 3 Million Module

Heatco engineers and manufactures heat exchangers for both replacement and oem applications. Whether it is for a custom one time application or for thousands, Heatco’s unique experience in combustion and manufacturing enables us to meet your needs with the ‘right solution at the right price.