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XSelector® Sizing Program
Use our online portal or our mobile apps to size products to help achieve optimum performance for your application.
AO Series
Product Type
Heat Exchanger
Solution
Hydraulic Oil Cooling
Application
Industrial Applications
Technology
Air Cooled, Copper Tube / Aluminum Fin
Air-Cooled Hydraulic Oil Cooler — Copper Tube / Aluminum Fin
The Thermal Transfer Products Industrial AO Series is an air-cooled hydraulic oil cooler built with a copper-tube, aluminum-fin core and an AC fan drive. It cools hydraulic oil (and fluids such as glycols) using ambient air, and is ideal for medium flow rates and moderate heat removal in industrial hydraulic systems and hydraulic power units.
The versatile design supports a one- or two-pass configuration, and adjustable cabinet louvers let you regulate the direction of heated exhaust air. An optional internal pressure bypass protects the core during cold starts and pressure spikes. Product options include foot brackets, SAE and metric connections, and a corrosion-resistant marine coating for harsh environments.
The series covers heat rejection from 1 to 36 HP (1.3–48 kW) and oil flow from 2 to 100 GPM (4–220 LPM), with a maximum operating pressure of 300 PSI and maximum operating temperature of 400°F. To simplify system integration, the AO Series is fully supported with 3D CAD models, downloadable technical documentation, and application engineering support. TTP’s XSelector® sizing program — available online and as a mobile app — helps optimize model selection.
Consult catalog for additional sizes and technical information.
Product Features
- Interchange for Young OCH
- Adjustable louvers (manual)
- Medium flow rates
- Moderate heat removal
- One or two pass
| Ratings | |
|---|---|
| Maximum Operating Pressure | 300 PSI |
| Maximum Operating Temperature | 400°F |
| Heat Rejection | From 1–36 HP (1.3–48 KW) |
| Oil Flow | From 2–100 GPM (4–220 LPM) |
| Materials | |
|---|---|
| Tubes | Copper |
| Fins | Aluminum |
| Turbulators | Steel |
| Fan Blade | Aluminum with steel hub |
| Fan Guard | Zinc plated steel |
| Cabinet | Steel with powder coat finish |
| Manifolds | Steel |
| Connections | Steel |
| Product Options | |
|---|---|
| Connection options | SAE & metric |
| Number of passes | 1 or 2 |
| Internal pressure bypass | |
| Foot brackets | |
| Corrosive resistant marine coating | |
- All catalog product is available with short lead-times, ensuring fast delivery and dependable supply
- Expert application engineers are available to select and size the right product for your application
- XSelector®* is a great tool for optimizing the sizing of TTP coolers. Check out the Apple and Android app stores to download the XSelector® App
- Our distributor One Status portal allows for on demand quoting of coolers and looking up order status
- Custom designs are available
- Replacement parts and maintenance support keep your systems running with minimal downtime
- Procurement advantage: designed to meet global standards while reducing overall total cost of ownership
* To register for XSelector® please go to www.thermaltransfer.com/get-in-touch/ and complete the XSelector® Inquiry form and submit.
Download the XSelector® for both Apple and Android formats by searching for XSelector® in their App Stores. You must first register for XSelector® before using it on mobile devices.
Documents
Brochures
AO Series
Brochures
AO Accessories
Technical
AO Technical Information
Service Parts
AO Series Service Parts
Frequently Asked Questions
It’s an industrial air-cooled hydraulic oil cooler from Thermal Transfer Products, using a copper-tube/aluminum-fin core and an AC fan drive to cool oil with ambient air.
Medium flow rates and moderate heat removal — typical of industrial hydraulic systems and hydraulic power units. For higher heat rejection and higher flow, TTP’s AOVH Series is the high-performance alternative.
Heat rejection from 1 to 36 HP (1.3–48 kW) and oil flow from 2 to 100 GPM (4–220 LPM), with a maximum operating pressure of 300 PSI and maximum operating temperature of 400°F.
The core can be plumbed for a single pass or a two-pass flow path, letting you tune heat transfer and pressure drop to the application.
An internal pressure bypass, foot brackets, SAE and metric connections, and a corrosion-resistant marine coating for harsh or coastal environments.
Yes. Thermal Transfer Products provides CAD models in multiple formats and full technical documentation, including datasheets and service manuals, are available through our configurator and resources hub.
Thermal Transfer Products are known for our superior quality with shortest lead times in the industry, all making for a good value for heat exchanger packages.
TTP offers short lead times across our catalog products. With CAD configurator tools and expert engineering support, OEM engineers can move from design to delivery quickly, without compromising on performance or quality.
Configure the AO Series
3D Configurator
Our 3D Product Configurator will allow you to build up the cooler with specific options that are required for your application, view what you have created in 3D, then download the model directly into your format to complete your modeling project.
Talk to an engineer at TTP.
Finding the right thermal management solution shouldn’t be a guessing game. Whether you need a quick price quote, technical specs, or a fully custom engine cooling system designed from the ground up, our team is ready to help.
Fill out the form below, and one of our application engineers will reach out to ensure your equipment stays cool under pressure.