NEW NICHWELL NVD-16 11.3 cfm Corrosion-Resist Commercial Grade 2-Stage Vacuum Pump
Features
-
- Adjustable gas ballast
- Built-in oil back-flow prevention check valve
- Internal forced oil cycling system
- Integrated cylinder structure
- Exhaust filter with easy-to-change replaceable filter element
- Heavy duty structure and designed for reliable long time operation
- Low noise
- All necessary fittings and filter included for immediate use
- Two-Shift adjustable gas ballast valve satisfies different requirements of condensable vapor(such as water vapor) to be exhausted out of pump in different processes.
- Dual protection of oil anti-sucking back ensures vacuum system from oil pollution when pump stops running and needs to be easily restarted.
- Forced oil circulation system consisted of oil pump and constant pressure oil supply mechanism ensures stable running of the pump.
- Less components are used, easy to maintain and repair.
Standard package
| Part description | Quantity |
Part image |
| NICHWELL NVD-16 16.9cfm vacuum pump | 1 set |  |
| KF25 flexible stainless steel vacuum bellow (3 ft) | 1 pc |  |
| KF25 wing nut flange quick clamp | 2 pcs |  |
| KF25 flange centering ring | 2 pcs |  |
| User’s manual | 1 pc |
Product parameter
| MODEL | NVD-4 | NVD-8 | NVD-16 | NVD-24 | NVD-30 | NVD-48 | NVD-65 | |
| Displacement speed（cfm） | 50Hz | 2.3 | 4.6 | 9.4 | 14.1 | 17.6 | 28.2 | 38.2 |
| 60Hz | 2.8 | 5.6 | 11.3 | 16.9 | 21.2 | 33.9 | 45.9 | |
| Ultimate partial pressure gas ballast closed (Pa) | 5×10-2 | 5×10-2 | 4×10-2 | 4×10-2 | 4×10-2 | 4×10-2 | 4×10-2 | |
| Ultimate total pressure gas ballast closed (Pa) | 5×10-1 | 5×10-1 | 4×10-1 | 4×10-1 | 4×10-1 | 4×10-1 | 4×10-1 | |
| Ultimate total pressure gas ballast open (Pa) | 3 | 3 | 8×10-1 | 8×10-1 | 8×10-1 | 8×10-1 | 8×10-1 | |
| power supply | Single/Three phase | Single/Three phase | Single/Three phase | Single/Three phase | Single/Three phase | Three phase | Three phase | |
| Power rating (kW) | 0.4/0.37 | 0.4/0.37 | 0.75/0.55 | 1.1/0.75 | 1.1 | 1.5 | 2.2 | |
| Intake and exhaust DN (mm) | KF16/25 | KF16/25 | KF25 | KF25/40 | KF25/40 | KF40 | KF40 | |
| Oil capacity (L) | 0.6~1.0 | 0.6~1.0 | 0.9~1.5 | 1.3~2.0 | 1.3~2.0 | 3.3~4.5 | 3.3~4.5 | |
| Motor speed (rpm) | 50Hz | 1440 | 1440 | 1440 | 1440 | 1440 | 1440 | 1440 |
| 60Hz | 1720 | 1720 | 1720 | 1720 | 1720 | 1720 | 1720 | |
| Ambient temperature (℃) | 5 – 40 | 5 – 40 | 5 – 40 | 5 – 40 | 5 – 40 | 5 – 40 | 5 – 40 | |
| Noise level (dB) | ≤56 | ≤56 | ≤58 | ≤58 | ≤58 | ≤62 | ≤62 | |
| Net weight (kg) | 19 | 20 | 33 | 35 | 43 | 62 | 65 | |
Description Pics
Note:
1.0utlet 2.Junction box cover 3.Junction box
4.Intake port 5.Gas ballast 6.Exhaust port
7.Oil fill plug 8.Oil housing assy 9.Sight glass
10.0il drain Plug 11.Pump feet 12.Trestle
13.Motor
Structure size chart
| MODEL | A | B | C | E | G | H | I | J | K | L | DN |
| NVD-4 | 18.1 | 5.7 | 8.1 | 4.3 | 5 | 6.1 | 1.8 | 1.8 | 1.3 | / | KF16/25 |
| NVD-8 | 18.1 | 5.7 | 8.1 | 4.3 | 5 | 6.1 | 1.8 | 1.8 | 1.3 | / | KF16/25 |
| NVD-16 | 20.5 | 7.4 | 10.7 | 5.8 | 6.3 | 6.5 | 2.7 | 2.3 | 1.5 | 11.6 | KF25 |
| NVD-24 | 22 | 7.4 | 10.7 | 5.8 | 6.3 | 7.3 | 3.2 | 2.3 | 1.9 | 11.6 | KF25/40 |
| NVD-30 | 22 | 7.4 | 10.7 | 5.8 | 6.3 | 7.3 | 3.2 | 2.3 | 1.9 | 11.6 | KF25/40 |
| NVD-48 | 28.7 | 9.2 | 14.1 | 7.5 | 7.9 | 8.8 | 6.2 | 2.7 | 2.2 | 15.4 | KF40 |
| NVD-65 | 28.7 | 9.2 | 14.1 | 7.5 | 7.9 | 8.8 | 6.2 | 2.7 | 2.2 | 15.4 | KF40 |
| Unit：inch | |||||||||||
NEW NICHWELL NVD-16 11.3 cfm Corrosion-Resist Commercial Grade 2-Stage Vacuum Pump
$1,700.00
