TTL-300-ATI Analog Aircraft Tire Inflator, 0 to 300 PSI
The TTL-300-ATI Analog Aircraft Tire Inflator provides accuracy and safety with an overpressure blow-off valve, 1% accuracy gauge, bleeder valve, clip-on chuck, and inflation-control ball valve. A custom carrying case is included.
Specifications
- Range: 0 to 300 PSI (20.7 bar)
- Accuracy: +/- 1% full-scale
- Gauge Size: 2.5" 1/4 NPT
| General Information | |
|---|---|
| Part # | TTL-300-ATI |
| Manufacturer | TTL |
| Shipping Information | |
|---|---|
| Product Weight | 6 lbs. |
| Product Dimensions | 3.5 x 16 x 14 in. |
| Schedule B | 9026200000 |
| ECCN | EAR99 |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
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QUESTIONS & ANSWERS
The TTL-300-ATI Analog Aircraft Tire Inflator is specifically engineered to meet the precision and durability demands of aviation maintenance. Its analog gauge provides clear, accurate readings up to 300 PSI, allowing technicians to safely service aircraft tires without overinflation. The rugged stainless-steel construction and aviation-grade components ensure dependable performance in both hangar and ramp environments.
Calibration intervals depend on usage frequency and maintenance standards set by your organization. For optimal accuracy, it’s recommended to calibrate the inflator at least once a year or after any significant impact that might affect gauge performance. Routine calibration ensures compliance with aviation maintenance standards and provides confidence in the accuracy of tire servicing operations.
Always inspect hoses and fittings for wear or leaks before use, and ensure the gauge’s needle returns to zero when the connection is disengaged. Use regulated air sources that match the device’s rated pressure range, and never exceed the 300 PSI limit. Following standard aircraft tire servicing procedures and using proper personal protective equipment further enhances safety.
Yes. The TTL-300-ATI’s universal fittings and high-pressure capability make it suitable for servicing a wide variety of aircraft tires, from small general aviation models to large business jets. Its durable, analog design allows for consistent, precise performance across different tire and wheel configurations, making it an essential tool for mixed-fleet operations.
Analog tire inflators like the TTL-300-ATI are valued for their simplicity, reliability, and resistance to environmental factors such as moisture and temperature fluctuations. They don’t require batteries, making them dependable for use in remote or demanding field conditions. Additionally, the analog dial offers real-time visual feedback that’s easy to interpret during inflation or pressure checks.
To extend its lifespan, store the TTL-300-ATI in a clean, dry environment away from direct sunlight or extreme temperatures. Ensure the inflator is depressurized and properly coiled to prevent damage to the hose. Regularly wipe the unit clean to avoid dirt accumulation that could affect connections or gauge visibility.
Routine maintenance includes checking for leaks, verifying gauge accuracy, and inspecting seals and O-rings for wear. The stainless-steel case and corrosion-resistant components minimize upkeep but should still be cleaned periodically. Maintaining the inflator according to the manufacturer’s recommendations prevents calibration drift and prolongs operational life.
The inflator’s gauge movement system is designed to resist shock, vibration, and pulsation – common challenges in hangar and ramp environments. This design feature reduces reading errors and protects internal mechanisms, allowing for consistent performance under demanding conditions.
The TTL-300-ATI is designed to perform reliably in a wide range of ambient temperatures, typically from -40°F to 200°F (-40°C to 93°C). This ensures dependable operation in both hot and cold climates, whether the unit is used in a hangar, on the ramp, or in mobile maintenance settings.
The TTL-300-ATI features a stainless-steel case and internal components that resist corrosion, ensuring durability in humid or high-pressure environments. Its wetted parts are typically made from 316L stainless steel or aluminum bronze, providing excellent chemical compatibility with various gases and fluids used in aviation maintenance.
Accurate inflation is critical for tire safety, load-bearing capacity, and even wear. The TTL-300-ATI ensures that tires are filled to the correct pressure, preventing both underinflation, which can cause excessive heat buildup, and overinflation, which may damage the tire structure. Consistent use of this inflator helps maintain optimal tire performance, improving operational safety and fuel efficiency.
Yes. The TTL-300-ATI is designed in accordance with ASME B40.100 specifications, ensuring that it meets recognized standards for accuracy, quality, and reliability. This compliance makes it suitable for use in regulated aviation maintenance environments where precision and safety are paramount.
The stainless-steel case gauge on the TTL-300-ATI is field-fillable, allowing users to add damping fluids, such as glycerin or silicone, for improved vibration resistance. This flexibility helps maintain smooth gauge operation in high-vibration settings and extends the inflator’s service life.
TTL offers a range of accessory kits that include additional hoses, fittings, and adapters to enhance compatibility with various valve types. These accessories make the inflator suitable for a broad spectrum of aircraft maintenance applications, ensuring efficient servicing regardless of aircraft size or configuration.

