Description
Ingersoll Rand ST750GBDP03L92-3M Turbine Air Starter (ST700 Series)
Ingersoll Rand ST750GBDP03L92-3M is a high-capacity, heavy-duty industrial turbine starter designed for reliable starting of large diesel and gas engines. Thanks to lube-free technology and ATEX compliance (Ex II 2 GD c IIB 70°C X), it ensures safe and dependable starting even in challenging explosive environments. The reliable pre-engaged mechanism (Pre-Engaged) minimizes flywheel ring gear wear and extends equipment lifespan. The “G” configuration allows the unit to be safely used with natural gas (Natural Gas) in addition to compressed air.
The product code defines the exact technical configuration:
- ST750: ST700 series model with a maximum allowable inlet pressure of up to 10.3 bar (150 psi), delivering maximum starting power under the toughest conditions.
- G: Suitable for operation with both compressed air and natural gas (Natural Gas Ready).
- B: Motor gear ratio (Gear Ratio 2.18:1).
- D: Offset gear case type (Offset Gear Case).
- P: Pre-engaged drive mechanism (Pre-Engaged Drive).
- 03: Flange type (standard SAE 3 flange).
- L92: Counterclockwise rotation (Left-hand rotation) with a specific pinion code (pinion) L92.
- 3M: Factory installation and housing orientation code.
Pre-Engagement, ATEX, and Natural Gas Readiness
The ST750 series ensures complete reliability and safety in the most demanding operating conditions:
- ATEX Certificate: Complies with Ex II 2 GD c IIB 70°C X requirements for use in explosive environments (subject to special conditions).
- Pre-Engagement (Pre-Engaged): Critically reduces flywheel wear by ensuring the starter pinion meshes before full torque is applied.
- Natural Gas Ready: Suitable for natural gas operation, provided that exhaust and vent lines are properly routed to a safe area.
- Lube-Free Turbine: No line lubricator is required in the supply line, keeping the environment clean and reducing maintenance requirements.
Technical Data
Key technical parameters for model ST750GBDP03L92-3M:
| Parameter | Value |
|---|---|
| Product Model | ST750GBDP03L92-3M |
| Series | ST700 Series |
| ATEX Marking | Ex II 2 GD c IIB 70°C X |
| Drive Type | Pre-Engaged Drive |
| Maximum Allowable Working Pressure | 10.3 bar (150 psi) |
| Starting Medium | Compressed air or natural gas (Natural Gas) |
| Gear Ratio | 2.18:1 |
| Housing Type / Reduction | Offset Gear Case |
| Mounting Flange | SAE 3 Flange |
| Rotation & Pinion | Counterclockwise (Left-hand) / L92 Pinion |
| Device Weight | ~31.3 kg (without inlet flange) |
Why Choose Protech?
Protech is the only authorized starter service center in Sweden, the Nordics, and the Baltics with over 20 years of experience. We help ensure that equipment precisely matches your engine, control system, and ATEX-compliant environment.
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