This document is about the specification of 4STW-2000 scroll compressor Emerson. It includes technical parameters, performance parameters and configuration information of the product.
This selection guide provides the key technical specifications for the Emerson 4STW-2000 semi‑hermetic reciprocating compressor, including nominal power, cylinder count, bore‑stroke dimensions, displacement, and weight. It also lists performance data across a range of operating temperatures and pressures.
Additional sections cover the envelope limits, nameplate example, wiring diagram, standard and optional configurations, detailed dimension drawings, and contact information for Emerson regional offices. This manual is written in Chinese.
| Nominal Power (HP) | 20 |
|---|---|
| Bore x Stroke (mm) | 74.7/55.6 |
| Displacement (m³) | 84.7/101.6 |
| Discharge Port Size | 13/8 |
| Suction Port Size | 2 1/8 |
| Length (mm) | 725 |
| Width (mm) | 490 |
| Height (mm) (no fan) | 495 |
| Mounting Size (mm) | 381×305 |
| Oil Charging (L) | 3.4 |
| Net Weight (kg) | 192 |
| Gross Weight (kg) | 219 |
The nominal power is 20 HP.
The standard mounting size is 381 mm × 305 mm.