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NACHI UVN-1A-0A3-0.7A-4-12U is a UVN variable volume vane pump and motor unit with foot mounting. The base hydraulic configuration has 8.1 cm³/rev capacity and a 3.5–6.0 MPa pressure adjustment range. Confirm the U option before selecting the unit.
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.
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| Selection factor | This modelUVN-1A-0A3-0.7A-4-12U | UVN-1A-0A3-0.7-4-12U | UVN-1A-0A3-0.7-4-12 | UVN-1A-0A3-0.7A-4-12 |
|---|---|---|---|---|
| Pump capacity | 8.1 cm³/revBase-model catalog reference; the U configuration still needs confirmation. | 8.1 cm³/revBase-model catalog reference; the U configuration still needs confirmation. | 8.1 cm³/rev | 8.1 cm³/rev |
| Pressure adjustment | 3.5–6.0 MPaBase-model catalog reference; the U configuration still needs confirmation. | 3.5–6.0 MPaBase-model catalog reference; the U configuration still needs confirmation. | 3.5–6.0 MPa | 3.5–6.0 MPa |
| Motor output | 0.75 kWBase-model catalog reference; the U configuration still needs confirmation. | 0.75 kWBase-model catalog reference; the U configuration still needs confirmation. | 0.75 kW | 0.75 kW |
| Terminal box | To be confirmedConfirm configurationNot established in the reviewed model data. | To be confirmedConfirm configurationNot established in the reviewed model data. | To be confirmedConfirm configurationNot established in the reviewed model data. | To be confirmedConfirm configurationNot established in the reviewed model data. |
| Option / revision | U option · confirm / design 12Confirm configurationU-option details are not established in the reviewed catalog. | U option · confirm / design 12Confirm configurationU-option details are not established in the reviewed catalog. | No U suffix / design 12 | No U suffix / design 12 |
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-0A3-0.7A-4-12U |
| Series | UVN |
| Product type | Variable volume vane uni-pump |
| Mounting | Foot type |
| Pump capacity | 8.1 cm³/revStandard base-model reference; verify the U variant. |
| Pressure adjustment range | 3.5–6.0 MPaStandard base-model reference; verify the U variant. |
| No-load discharge at 50 Hz | 12 L/minStandard base-model reference; verify the U variant. |
| No-load discharge at 60 Hz | 14.5 L/minStandard base-model reference; verify the U variant. |
| Motor output | 0.75 kW |
| Motor poles | 4 |
Reference information reviewed September 2026. Check the applicable revision for your equipment.
Variable volume vane uni-pump
Configuration check required
Details & selection
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.
