NES Company NHF Series Liquid Ring Vacuum Pumps
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Equipment Description
The NES Company NHF Series are mid-range liquid ring vacuum pumps available in 50–120 CFM models. They feature NPT inlets, flanged discharges, and operate at 1,430–1,750 RPM with 3–7.5 HP motors and seal water cooling.
Technical Reference
Parts, service kits, and configuration data from the manufacturer's documentation.
| Part Number | Model | CFM @ 22" Hg | HP | RPM | Inlet Size | Discharge Size | Seal Water Usage GPM | Seal Water Size NPT |
| 1316 0040 29 | NHF-50 | 28 | 3 | 1450 | 2" NPT | 1-1/4" FL | 1.5 | 1/2" NPT |
| 47 | 3 | 1750 | 2" NPT | 1-1/4" FL | 1.5 | 1/2" NPT | ||
| NHF-75 | 55 | 3 | 1430 | 2" NPT | 1-1/2" FL | 3.0 | 1/2" NPT | |
| 76 | 5 | 1750 | 2" NPT | 1-1/2" FL | 3.0 | 1/2" NPT | ||
| NHF-80 | 58 | 5 | 1450 | 2" NPT | 1-1/2" | 2.0 | 1/2" NPT | |
| 67 | 5 | 1750 | 2" NPT | 1-1/2" | 2.0 | 1/2" NPT | ||
| 1316 0038 03 | NHF-120 | 86 | 7.5 | 1450 | 2" NPT | 2" NPT | 3.0 | 1/2" NPT |
| 111 | 7.5 | 1750 | 2" NPT | 2" NPT | 3.0 | 1/2" NPT |