01 / Technical reference
Document overview
SP32 industrial rotary screw compressor specification models and equipment choices. The source sheet compares multiple operating pressures and documents starter, motor, and enclosure options.
Published technical specifications
SP32 performance and equipment data
Scroll sideways to compare all model columns.
| Specification | SP32-300 | SP32-350 | SP32-400 | SP32-450 |
|---|---|---|---|---|
| Motor rating (HP) | 300 | 350 | 400 | 450 |
| Capacity at 100 psig (CFM) | 1,490 | 1,650 | 1,790 | Not listed |
| Capacity at 125 psig (CFM) | Not listed | 1,480 | 1,633 | 1,730 |
| Capacity at 150 psig (CFM) | Not listed | Not listed | 1,438 | 1,570 |
| Motor output (HP / kW) | 300 / 223 | 350 / 261 | 400 / 298 | 450 / 336 |
| Fan motor output (HP / kW) | 15 / 11.2 | 15 / 11.2 | 20 / 15 | 20 / 15 |
| Sump capacity (gal) | 45 | 45 | 45 | 45 |
| Discharge NPT (in) | 3 | 3 | 3 | 3 |
| Length (in) | 135 | 135 | 135 | 135 |
| Width (in) | 58 | 58 | 58 | 58 |
| Height (in) | 85.5 | 85.5 | 85.5 | 85.5 |
| Open weight (lb) | 10,500 | 10,900 | 13,400 | 13,900 |
| Enclosed weight (lb) | 11,600 | 12,000 | 14,500 | 15,000 |
Published rated capacities follow CAGI/ISO 1217; a blank in the source is shown as Not listed, not as zero. Consult the factory for other pressures.
Published equipment features
- Sullivan-Palatek manufactured SP-series air end with C-face direct alignment.
- Standard 460 V, three-phase, 60 Hz motor; solid-state starter with 115 V control.
- Optional variable-frequency drive and alternate electrical enclosures.
- Microprocessor sequencing and remote monitoring for up to eight machines.
- ASME-coded 200 psi separator tank and side-by-side air/oil cooling.
Application guidance
Use this reference when reviewing motor ratings, pressure-dependent flow, starter configurations and installation requirements. Electrical and pressure ratings must be checked for the exact motor, voltage and operating setpoint.
Technical questions / Manufacturer reference
Frequently asked questions
Which SP32 models are covered by this reference?
The manufacturer specification lists SP32-300; SP32-350; SP32-400; SP32-450 within the 300-450 hp range.
What published output is shown for the SP32-300 at 100 psig?
The SP32-300 source figure is 1,490 CFM. Ratings at other pressures may differ by model.
What discharge connection is identified for this SP32 series?
The published discharge connection is 3-inch NPT. Confirm connection details for the selected package.
Specifications depend on the model, configuration and document revision. Consult the manufacturer PDF linked on this page for the complete reference.