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NES COMPANY - ENGINEERED VACUUM SYSTEMS

NAT Series Liquid Ring Vacuum Pumps

350-2800 CFM (Up to 28.5”Hg)

For customers looking to replace or upgrade their two stage dual cone liquid ring vacuum pumps or replace their Nash two stage liquid ring vacuum pumps, this is a 100% internal/external drop-in replacement for the classic Nash AT series. The range is wide in most all categories, from 20-150 HP, 350-2800 CFM, and 5-28.5” of Hg in vacuum.

About NAT Series

Models: NAT-704, 706, 1004, 1006, 2004, 2006, 3004, 3006
Power Range: 20-150 HP
Capacity Range: 350-2800 CFM
Max Vacuum: 28.5” Hg vac.
MOC: Cast Iron/Bronze Clad/ Stainless Steel 304 Clad/Stainless Steel 316 Clad


Features

100% drop-in replacement for classic AT series.
All components are 100% interchangeable with AT series.
2-Year warranty against manufacturing defects.
Gland packing standard mechanical seals available as an option.
Repair Kit and Interchangeable Parts are also available.


Applications

Power plants, Exhaust condensers, Drying, Exhausting, Filtering

DOWNLOAD SPEC SHEET

NAT Series: Two-Stage Dual Cone Liquid Ring Vacuum Pump Models

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Series Name Replaces Nash Motor Power [HP] CFM Max Oper. Vacuum [“HgV] Inlet [inch] Outlet [inch] Seal Water Usage [GPM] Seal Water Connection Size [inch]
NAT-704 AT-704 20-30 350-400 28.5 4 FL 4 FL 15 1 NPT
NAT-706 AT-706 20-30 400-450 28.5 4 FL 4 FL 15 1 NPT
NAT-1004 AT-1004 40-60 450-1150 28.5 5 FL 4 FL 30 1 NPT
NAT-1006 AT-1006 30-60 550-1150 28.5 5 FL 4 FL 30 1 NPT
NAT-2004 AT-2004 75-100 1100-2100 28.5 6 FL 5 FL 30-60 1 NPT
NAT-2006 AT-2006 75-125 1200-2100 28.5 6 FL 5 FL 30-60 1 NPT
NAT-3004 AT-3004 100-200 1200-2800 28.5 8 FL 6 FL 60 1 NPT
NAT-3006 AT-3006 100-150 1200-2800 28.5 8 FL 6 FL 60 1 NPT

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