ST999BP03R31 Turbine Air Starter | Full Arc w/Elbow Exhaust (30-90 PSI) | by Ingersoll Rand

Manufacturer: Ingersoll Rand

Guaranteed 100% Authentic

Made in the USA

Condition: New

*Rebuilt Models Have the letter "R" at the end of their model number

SKU:
ST999BP03R31
  • ST999BP03R31 Turbine Air Starter | Full Arc w/Elbow Exhaust (30-90 PSI) | by Ingersoll Rand
  • ST999BP03R31 Turbine Air Starter | Full Arc w/Elbow Exhaust (30-90 PSI) | by Ingersoll Rand
Price: $4,704.08

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Description

The Ingersoll Rand ST999BP03R31 is a genuine IR ST900-series pre-engaged turbine air starter. It delivers up to 66 hp (49 kW) and 310 ft-lb of breakaway torque at 90 psi, and Ingersoll Rand rates B-ratio ST700/ST900 starters for diesel engines from 16 to 130 liters. It has a full-arc (30 to 90 psi) turbine, an SAE No. 3 flange and a right-hand 12-tooth 6/8 pitch pinion. Ingersoll Rand's current replacement in this size is the ST1000 series.

Ingersoll Rand ST999BP03R31 ST900 series pre-engaged turbine air starter

 

ST999BP03R31 Specifications

Ingersoll Rand ST999BP03R31 technical data
Manufacturer / series Ingersoll Rand ST900 series (ST999)
Motor type Turbine, 99% (full) arc, lube-free; sealed, oil-lubricated planetary gears
Engagement Pre-engaged
Maximum power 66 hp (49 kW) at 90 psi
Breakaway torque 110 ft-lb (149 N·m) at 30 psi / 310 ft-lb (420 N·m) at 90 psi
Operating pressure 30 to 90 psi (2.1 to 6.2 bar)
Drive medium Compressed air or natural gas (sealed)
Gear ratio "B" gearing, 2.18:1
Mounting SAE No. 3 flange
Pinion (code 31) 12 teeth, 6/8 pitch, right-hand
Rotation right-hand (R)
Air inlet / exhaust 1-1/2 in. type J518C flange inlet (ST700-K166 inlet flange kit) / 4 in. NPT exhaust
Air consumption 1,700 scfm at maximum power
Recommended engine size Diesel engines from 16 to 130 L
Extended cranking (over 10 s) Yes: IR rates the ST900 series for extended cranking
Orientations 4 inlet, 4 exhaust and 16 drive-housing positions
Weight 63 lb (28.6 kg)
Lubrication None required for the turbine motor

 

Performance by Supply Pressure

Ingersoll Rand publishes these figures for the ST999 with B gearing (pre-engaged):

Supply pressure Breakaway torque Speed at max power Max power Flow at max power
30 psi (2.1 bar) 110 ft-lb (149 N·m) 1,750 rpm 18 hp (13 kW) 700 scfm (330 L/s)
60 psi (4.1 bar) 195 ft-lb (264 N·m) 1,950 rpm 36 hp (27 kW) 1,200 scfm (566 L/s)
90 psi (6.2 bar) 310 ft-lb (420 N·m) 2,250 rpm 66 hp (49 kW) 1,700 scfm (802 L/s)

 

ST999BP03R31 Dimensions

ST950 pre-engaged turbine starter dimensional drawing: 19-7/32 in. overall length, 9-5/8 in. height, 6-7/8 in. width, 1-1/2 in. J518C inlet, 4 in. NPT exhaust, SAE 3 flange

Dimension Inches Millimeters
Overall length to mounting flange 19-7/32 488.2
Inlet centerline to mounting flange 14-21/64 363.9
Drive projection beyond flange 2-19/64 58.3
Height 9-5/8 244.5
Width 6-7/8 174.6

Reference dimensions from Ingersoll Rand. Confirm critical clearances against the certified drawing before you fabricate brackets or plumbing.

 

Confirming Fit

Match the full model number on your existing starter's nameplate, or send us the engine make, model and serial number. You can also use our Air Starter Model Finder.

 

How to Read the Model Number

Code Meaning
ST9 ST900 series turbine starter
99 Percent arc: 99% (full arc, 30 to 90 psi)
B Gear ratio 2.18:1 (B = 2.18:1, C = 2.53:1)
P Pre-engaged (I = inertia)
03 SAE No. 3 flange (09 = IR "09" flange for D ratio)
R right-hand rotation
31 Pinion: 12-tooth 6/8 pitch

 

Why Choose the ST999BP03R31?

  • High torque, broad range. B and C gearing options cover a wide range of starting torques.
     
  • Lube-free turbine. No lubricator and no oil mist; sealed planetary gears are maintenance free.
     
  • Air or natural gas. Sealed for gas and air applications.
     
  • Proven design. The ST700/900 turbine family has powered diesel and gas engines in marine, oil and gas, locomotive and power generation service.
     
  • Current replacement available. Ingersoll Rand's ST1000 series is the direct successor.

 

ST999BP03R31 FAQ

What is the opposite-rotation version of the ST999BP03R31?

The ST999BP03L32 is the opposite-rotation counterpart. Power, flange and gearing are the same; only the rotation and the matching pinion code differ. Match the rotation printed on your existing starter's nameplate.

 

Is this starter still available, and what replaces it?

Ingersoll Rand's ST1000 series supersedes the ST700 and ST900 (the ST750 and ST950 go to the ST1060, and the ST799 and ST999 go to the ST1099, with the same ratio, drive, flange and pinion). Call us and we will confirm current availability of the ST999BP03R31 and quote the ST1000 alternative side by side. See the ST1000 series.

 

Can it crank for a long time?

Yes. Ingersoll Rand rates the ST900 series for extended cranking.

 

What air supply and accessories does it need?

Supply 30 to 90 psi through a 1-1/2 in. line, with enough receiver volume to deliver up to 1,700 scfm while the engine cranks. Ingersoll Rand's matching accessories include the SRV150 relay valve (SRV150SS for gas), the ST900-267-24 1-1/2 in. strainer (300 mesh), 150BMP-1051B / 150BMP-2451B solenoid valves and SMB-618 / SMB-G618 push-button valves.

 

Buy from a Factory-Authorized Ingersoll Rand Distributor

Factory-authorized Ingersoll Rand air starter distributorAirStartersDirect.com is a factory-authorized Ingersoll Rand distributor operated by Zampini Industrial Group, which has supplied engine starting equipment since 1987. Every ST999BP03R31 we sell is new, genuine Ingersoll Rand equipment. We supply the ST700 and ST900 series, the current ST1000 series, and the relay valves, strainers and tune-up kits that go with them.

Need help confirming fit? Call 1-800-353-4676 with your engine make, model and serial number for a fast quote and free selection help.

Specifications source: Ingersoll Rand Engine Starting Systems catalog and Ingersoll Rand ST900 Series Air Starters.

Ingersoll Rand pneumatic air starters can replace any factory mounted starter engine and simultaneously offer a variety of helpful benefits. Compared to conventional electric starters, a pneumatic air starter occupies considerably less space as it is run by air. Pneumatic air starters are also considered safer in hazardous environments as they do not produce electrical sparks like electric starters sometimes do, thus eliminating the risk of igniting flammable materials that may be present.

Ingersoll Rand air starters have significantly more torque than electric starters of equivalent size, and that allows even a small air starter to start very large engines and turbines. In addition, electric starters as well as their wiring may become excessively hot in the event that it takes longer than expected to start the engine, while air-starters can be run for as long as their air supply lasts. Turbine starters provide even more torque and tend to be simpler, and therefore are a natural fit for turbine engines. Turbine air starters are utilized extensively on large turbofan engines commercial and military aircraft; as well as marine ships and vessels, trains, heavy construction equipment, and more.

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