Tronair 18-4216-6000 Low-Pressure Nitrogen Regulator, 0 to 15 PSI
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The Tronair 18-4216-6000 Low-Pressure Nitrogen Regulator is a portable, self-contained unit designed for servicing high-frequency coupler antennas. Compact and easy to handle, it comes fully assembled in a durable plastic toolbox for convenient transport and storage.
The regulator includes a male tire inlet valve for connecting to a high-pressure hose coupling, a ¼" x 16" hose, and an outlet connector compatible with a .305-32 male tire valve. With an adjustable range of 0 to 15 PSI, it provides precise low-pressure nitrogen control to meet aircraft servicing requirements.
| General Information | |
|---|---|
| Part # | 18-4216-6000 |
| Manufacturer | Tronair |
| NSN | 4940017021774 |
| Manual 1 | View Tronair 18-4216-6000 Parts, Service, and Operation Manual |
| Shipping Information | |
|---|---|
| Shipping Weight | 16.1 lbs. |
| Shipping Dimensions | 26 x 24 x 13 in. |
| Freight NMFC | 189800 |
| Schedule B | 8716390020 |
| ECCN | EAR99 |
| Spare Parts | |
|---|---|
| H-1221 | Valve, Air |
| H-1389 | Lanyard |
| H-1390 | Ferrule |
| N-2010-08-S | Connector, Female |
| N-2210-02-B | Reducer, Pipe Thread |
| PC-1007 | Connector, Pressure |
| PC-1142 | Regulator, Low Pressure |
| TF-1043-15*16.0 | Assembly, Hose |
| V-1994 | Label, Maximum Operating Pressure 15 psi |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Bombardier | Challenger 600 , Challenger 601 , Challenger 604 , Challenger 605 (CL605) , Challenger 650 , Global 7000 , Global 7500 , Global 8000 |
| Embraer | Praetor 600 |
PRODUCT REVIEWS
QUESTIONS & ANSWERS
Operators should never exceed 150 PSI inlet pressure and must use the unit only with nitrogen – not oxygen or other gases. High-pressure nitrogen poses risks if improperly handled, so all valves should remain closed until securely connected. Training is required to ensure proper operation, and servicing should be performed only by qualified personnel.
Tronair recommends annual calibration of the pressure gauge to maintain accuracy. Certificates of calibration are supplied with each unit, and recalibration should be scheduled according to the operator’s quality system or regulatory requirements. Proper calibration ensures precise readings and prevents service errors.
The regulator uses a .305-32 male tire valve without a valve core for the inlet, allowing connection to a high-pressure hose. The outlet connection is also a .305-32 tire valve but includes a valve core depressor to mate securely with the antenna service port. These fittings ensure compatibility and ease of use for aircraft servicing.
The pressure gauge reads from 0 to 15 PSI in 1 PSI increments. It offers an accuracy of ±1.5% full scale, ensuring reliable low-pressure nitrogen delivery. The regulator gauge itself provides ±2.5% full-scale accuracy, with optional digital gauges available for higher precision.
The Tronair 18-4216-6000 features a high-purity single-stage pressure regulator capable of handling up to 3,500 PSI at the inlet. This allows it to connect safely to standard high-pressure nitrogen bottles while maintaining controlled low-pressure output.
The unit ships fully assembled in a black plastic toolbox measuring 18" x 13" x 6.5". It includes the low-pressure regulator, hose assembly, pressure gauge with protective boot, and connectors. A maximum operating pressure label is affixed for safety reference.
The operating temperature range is -40°F to 165°F (-40°C to 74°C). This wide tolerance makes the unit suitable for both hangar use and field servicing in varied climates without performance degradation.
Tronair warrants the 18-4216-6000 against defects in manufacturing or materials for one year from shipment. Replacement parts carry a 90-day warranty. Unauthorized modifications or improper use void warranty coverage.
To service an aircraft system, the operator connects the regulator to a high-pressure nitrogen source, adjusts the high-pressure regulator to 100 PSI, then uses the low-pressure regulator to set the output within the aircraft manufacturer’s recommended limits. The built-in valve core depressor ensures secure nitrogen transfer to the service port.
No, the Tronair 18-4216-6000 does not carry the CE mark under the Pressure Equipment Directive 2014/68/EU, Article 4 Section 3. However, it is designed and manufactured according to sound engineering practices to ensure reliability and safety.
