N904 series: High efficiency pulp & paper pumps

N904 series: High efficiency pulp & paper pumps (2-3 day delivery)

... 3000 to 12,500 CFM

Our N904 series are designed as drop-in replacements for classic Nash* 904 vacuum pumps. These vacuum pumps rotate at relatively slow speeds for higher reliability, less wear, and lower power consumption. The N904 is ideal for pulp & paper, geothermal power generation, and other high reliability high capacity applications. We offer the L though T versions with capacities ranging from 3,000 to 12,400 CFM.

Models:
N904-L, M, P, R, S and T
Power range:
125-HP
Capacity range:
3000 to 12,500 CFM
Max vacuum:
26" Hg
PDF Icon Product data sheet

Features

  • Drop-in replacement for classic Nash* 904 and 905 series.
  • Improved efficiency with lower power consumption.
  • Standard construction is cast iron with the bronze impeller and packing seals.
  • Standard construction is cast iron with packing seals.
  • Optional 304 or 316 stainless steel construction and cladding.
  • Parts and repair kits are readily available.
  • Available as a bare pump or as a part of engineered systems.
  • Includes 2-year factory warranty.

Applications

  • Pulp and paper
  • Geothermal power
  • Chemical processing

N904 series pump models

Model Capacity range @ 15” [CFM] Motor power [HP] Max. operating vacuum [“Hg] Inlet(inch)
Discharge(inch)
Seal Water Usage(GPM)
Seal Water Size(inch)
N904-L1 2650-4950 100-250 20.0” 10 FL 8 FL 24-32 1.5 NPT
N904-L2 2800-4950 125-300 26.0” 10 FL 8 FL 32-48 1.5 NPT
N904-M1 3600-1175 125-325 20.0” 10 FL 8 FL 28-38 1.5 NPT
N904-M2 3600-6000 150-325 26.0” 10 FL 8 FL 40-72 1.5 NPT
N904-P1 4200-7800 150-400 20.0” 12 FL 10 FL 35-42 2.0 NPT
N904-P2 4700-7800 150-400 24.5” 12 FL 10 FL 53-70 2.0 NPT
N904-R1 5200-9000 175-475 20.0” 14 FL 12 FL 45-53 2.0 NPT
N904-R2 5600-9450 200-500 24.5” 14 FL 12 FL 60-80 2.0 NPT
N904-S1 6000-11000 200-600 20.0” 14 FL 12 FL 55-65 2.0 NPT
N904-S2 6600-11400 250-600 24.5” 14 FL 12 FL 75-100 2.0 NPT
N904-T1 6800-12200 250-650 19.0” 14 FL 12 FL 60-72 2.0 NPT
N904-T2 7800-12400
300-700 24.5” 14 FL 12 FL 85-115 2.0 NPT