Ingersoll Rand literature · Brochure
Ingersoll Rand Phoenix ST400 Air Starting Systems for Industrial and Marine Applications (Form 52499)
Two-page Ingersoll Rand brochure for the Phoenix ST400 air starting system in industrial and marine service, which is not intended for natural gas. It lists the starter's features, the simplified manual valve and electric valve options, and the recommended ST900-267-16 air strainer. A table gives stall torque, maximum horsepower and air use for the ST400, ST455 and ST499 at 30-150 psi, and a key decodes the model number.
Document at a Glance
- Publisher
- Ingersoll Rand
- Document type
- Brochure
- Form / number
- Form 52499, 1996
- Language
- English
- Pages
- 2
- File
- PDF, 233 KB
What's in This Document
| Section | Pages | What it covers |
|---|---|---|
| ST400 Systems for Industrial and Marine Applications (cover) | 1 | Phoenix Air Starting Systems cover. |
| The New Phoenix ST400 Air Starting System: Features | 2 | Turbine speed management, no lubrication or muffler, size and weight, flange and application notes. |
| Simplified Manual Valve | 2 | Diaphragm manual valve features plus electric and traditional relay valve alternatives. |
| Air Strainers | 2 | The ST900-267-16 one inch strainer recommended for ST400 installations. |
| Stall Torque, MAX Hp & SCFS | 2 | Performance of the ST400, ST455 and ST499 from 30 to 150 psi. |
| Model number key (ST400IC03R31) | 2 | Explains arc/series, inlet and housing, gear ratio, mounting, rotation and pinion code positions. |
Key Specifications and Data
| Item | Value | Page |
|---|---|---|
| Weight | 23 lbs | 2 |
| Length | 12.5 in | 2 |
| Air inlet | One hose hook-up, 1 in NPT | 2 |
| ST400 arc and maximum pressure | 44% arc, max. 150 PSI | 2 |
| ST455 arc and maximum pressure | 55% arc, max. 120 PSI | 2 |
| ST499 arc and maximum pressure | 99% arc, max. 90 PSI | 2 |
| ST400 at 150 PSI | 150 ft-lb stall torque, 25 hp, 13 SCFS | 2 |
| ST499 at 90 PSI | 174 ft-lb stall torque, 26 hp, 13 SCFS | 2 |
| Lubrication | No external lubrication required | 2 |
| Muffler | Not required | 2 |
| Gas service | Not for use in natural gas applications | 2 |
| Recommended air strainer | ST900-267-16 (one inch) | 2 |
Stall torque, max hp and SCFS by inlet pressure
| Pressure | ST400 | ST455 | ST499 |
|---|---|---|---|
| 30 PSI | - | - | 53 ft-lb, 7 Hp, 5 SCFS |
| 60 PSI | 60 ft-lb, 8 Hp, 6 SCFS | 82 ft-lb, 11 Hp, 7 SCFS | 113 ft-lb, 17 Hp, 9 SCFS |
| 90 PSI | 90 ft-lb, 14 Hp, 8 SCFS | 130 ft-lb, 18 Hp, 9 SCFS | 174 ft-lb, 26 Hp, 13 SCFS |
| 120 PSI | 120 ft-lb, 19 Hp, 11 SCFS | 170 ft-lb, 25 Hp, 12 SCFS | - |
| 150 PSI | 150 ft-lb, 25 Hp, 13 SCFS | - | - |
Model number key, example ST400IC03R31
| Position | Code | Meaning |
|---|---|---|
| Series / arc | ST400 | ST400 44% arc; ST455 55% arc; ST499 99% arc |
| Inlet / housing | I | I = 1 in NPT; Z = zinc housing; no letter = SAE split flange |
| Gear ratio | C | Gear ratio |
| Mounting | 03 | 00 = cradle mount; 01 = SAE 1 flange; 03 = SAE 3 flange |
| Rotation | R | R = right hand; L = left hand |
| Pinion | 31 | Pinion code |
Models Covered
Model codes as printed in the document. Linked codes go to the matching Ingersoll Rand starter in our catalog.
ST400IC03R31 ST400 ST455 ST499
Service Kits and Part Numbers
| Part number | Description | Page |
|---|---|---|
| ST900-267-16 | One inch air strainer recommended for all ST400 industrial and marine applications | 2 |
| ST400-A339M | Simplified manual (diaphragm) valve | 2 |
| ST400-A339 | Electric valve option | 2 |
| SRV100 | Traditional Ingersoll-Rand relay valve for manual NPT installations | 2 |
Confirm part numbers against the serial and model plate of your starter. For any part not listed in our catalog, send us the number.
Frequently Asked Questions
Can the Phoenix ST400 starter be used on natural gas?
No. The brochure states the system is not for use in natural gas applications.
How much does the ST400 air starter weigh?
It weighs 23 lbs and is 12.5 in long, with a single 1 in NPT hose connection.
What is the difference between the ST400, ST455 and ST499?
They differ in turbine arc: 44%, 55% and 99%. Maximum pressure falls from 150 to 120 to 90 PSI as the arc increases.
What valve options go with the ST400 system?
A simplified diaphragm manual valve (ST400-A339M), an ST400-A339 electric valve, or the traditional SRV100 valve for manual NPT installations.
Which air strainer is recommended for the ST400?
The ST900-267-16 one inch strainer, recommended for all ST400 industrial and marine applications to protect components from sludge and rust.
Need the parts or the starter in this document? Send the model number from your starter's plate and we will confirm the right Ingersoll Rand part or replacement.
Source: Ingersoll Rand, Form 52499, 1996. Summary and tables prepared by AirStartersDirect.com, an authorized Ingersoll Rand air starter distributor; the PDF is the authoritative version. Page numbers refer to the PDF file. Reviewed October 2026.
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