
UVN-1A-2A2-3.7A-4-30
Variable volume vane uni-pump
- Pump capacity
- 26 cm³/rev
- Pressure adjustment
- 2.0–4.0 MPa
- Motor output
- 3.7 kW
- Terminal box
- A terminal
- Option / revision
- No U suffix / design 30

Product photographs supplied by DENGFENG and matched by model filenames. Confirm the exact unit and nameplate with the quotation.
NACHI UVN-1A-2A2-3.7A-4-30U is a UVN variable volume vane uni-pump with a 3.7 kW motor and foot mounting. The 2A2 catalog configuration has 26 cm³/rev capacity and a 2.0–4.0 MPa pressure adjustment range. Confirm the U option and motor nameplate before selection.
Include quantity, destination, required condition and delivery date. Pricing and availability are confirmed individually.
Closest listed configurations in NACHI UVN. These are comparison references; interchangeability has not been established.
Highlighted rows differ. On small screens, scroll the table sideways.
| Selection factor | This modelUVN-1A-2A2-3.7A-4-30U | UVN-1A-2A2-3.7A-4-30 | UVN-1A-2A2-3.7-4-30U | UVN-1A-2A2-2.2A-4-30U |
|---|---|---|---|---|
| Pump capacity | 26 cm³/revConfirm configurationBase-model catalog reference; the U configuration still needs confirmation. | 26 cm³/rev | 26 cm³/revBase-model catalog reference; the U configuration still needs confirmation. | 26 cm³/revConfirm configurationBase-model catalog reference; the U configuration still needs confirmation. |
| Pressure adjustment | 2.0–4.0 MPaConfirm configurationBase-model catalog reference; the U configuration still needs confirmation. | 2.0–4.0 MPa | 2.0–4.0 MPaBase-model catalog reference; the U configuration still needs confirmation. | 2.0–4.0 MPaConfirm configurationBase-model catalog reference; the U configuration still needs confirmation. |
| Motor output | 3.7 kW | 3.7 kW | 3.7 kWBase-model catalog reference; the U configuration still needs confirmation. | 2.2 kW |
| Terminal box | A terminal | A terminal | B terminalBase-model catalog reference; the U configuration still needs confirmation. | A terminal |
| Option / revision | U option · confirm / design 30Confirm configurationU-option details are not established in the reviewed catalog. | No U suffix / design 30 | U option · confirm / design 30Confirm configurationU-option details are not established in the reviewed catalog. | U option · confirm / design 30Confirm configurationU-option details are not established in the reviewed catalog. |
No verified differences are recorded for these comparison fields. Confirm the full nameplate and suffixes before choosing a replacement.
Compare pump capacity and the pressure adjustment range. Check the required loaded flow against the applicable performance curve; no-load flow alone is insufficient.
Check motor output, actual supply voltage and frequency, terminal-box position, mounting and rotation against the existing unit.
Manufacturer catalog and model-code reference. Confirm the supplied unit against its nameplate and the applicable manual.
| Brand | NACHI |
|---|---|
| Model number | UVN-1A-2A2-3.7A-4-30U |
| Series | UVN |
| Product type | Variable volume vane uni-pump |
| Pump capacity | 26 cm³/rev |
| Pressure adjustment range | 2.0–4.0 MPa |
| No-load discharge at 50 Hz | 39 L/min |
| No-load discharge at 60 Hz | 46 L/min |
| Motor output | 3.7 kW |
| Motor poles | 4 |
| Mounting | Foot type |
| Rotation | Clockwise viewed from motor fan side |
| Standard motor supply | AC 200 V 50/60 Hz; AC 220 V 60 Hz |
| Catalog weight | 50 kg |
| Terminal box | A terminal |
Reference information reviewed September 2026. Check the applicable revision for your equipment.

Variable volume vane uni-pump

Variable volume vane uni-pump
Configuration check required
Details & selection
Variable volume vane uni-pump
Configuration check required
Details & selectionSend us the full model number or a photo of your nameplate.