75-200HP Two Stage Vacuum Pumps

Two-Stage/Dual Cone Liquid Ring Vacuum Pumps

700 - 3000 C.F.M. (High Vacuum Range -upto 28.5" Hg.)

NES Company is proud to offer our 75-200 HP two stage vacuum pumps as an economical option for industrial applications. These new vacuum pumps have been designed from the ground-up as exact replacements for classic AT two stage vacuum pumps. For customers looking to replace or upgrade their 1,000-3,000 CFM dual cone vacuum pumps this is a 100% internal/external drop-in replacement for AT pumps. These pumps include a 2-year warranty against manufacturer's defects.

About NAT Series

Models: NAT-1004,2004,3004

Power Range: 75 HP to 200 HP

Capacity Range: 700 CFM to 3000 CFM

Max Vacuum: 150 PSIG (10 bar)

MOC: Cast iron/Bronze/ SS 304/SS 316


100% drop-in replacement for classic AT series.

All components 100% interchangeable with AT series.

2-Year warranty against defects.

Gland packing standard mechanical seals available as an option.

Repair kit and interchangeable Parts are also available.

Power plants

Exhaust condensers




NAT Series: Two-Stage/ Dual Cone Liquid Ring Vacuum Pumps All Models