DATA SHEET
8NNT-CC
*NOW STOCKED IN CD4MCu
AVAILABLE MOUNTING CONFIGURATIONS
8NNT-CC CLOSE-COUPLED
8NNT-VM VERTICAL CLOSE-COUPLED
8NNT-SUB SUBMERSIBLE
OPERATING LEVELS
MIN FLOW
400 GPM
91 m3/h
MAX FLOW
4630 GPM
1052 m3/h
DISCHARGE SIZE
8”
203 mm
SUCTION SIZE
8”
203 mm
SOLIDS HANDLING
3.38”
86 mm
MAX SPEED
1900 RPM
1900 RPM
SHUT-OFF HEAD
122’
37.2 m
BEP HEAD
258’
79 m
BEP FLOW
3295 GPM
748 m3/h
BEP PERCENT
81%
81%
PARTS
A typical picture of the pump is shown. Please contact Cornell Pump Company for
further details. All information is approximate and for general guidance only.
STANDARD MATERIAL (ALL IRON)
CD4MCU
WEAR RING
CAST IRON
CD4MCU
IMPELLER
CAST IRON
CD4MCU
VOLUTE
CAST IRON
CD4MCU
SHAFT
1040 STEEL
17-4PH
SHAFT SLEEVE
416 STAINLESS STEEL
CD4MCU
BACKPLATE
CAST IRON
CD4MCU
MECHANICAL SEAL
TUNGSTEN CARBIDE VS. SILICON CARBIDE
TUNGSTEN CARBIDE VS. SILICON CARBIDE
BEARING FRAME
CAST IRON
CAST IRON
The 8NNT pump is designed with Cornell’s renowned quality and durability. It features n 8” discharge, 8” suction,
and enclosed impeller. 900/1200/1800 RPM operating speeds. Available in All Iron or CD4MCu materials. Cornell’s
patented Cycloseal® design is standard, with a Type 1 or 2 single mechanical seal with Buna-N elastomers,
stainless steel hardware and tungsten carbide vs. silicon carbide seal faces for abrasion resistance. Close-coupled
configurations include a horizontal or vertical C-face base.
Submersible model: includes a vertical XP submersible motor. Seal is a tandem mechanical seal.
• Cycloseal is Standard
• Two year Warranty
• High Efficiency
AGRICULTURE
• Robust Construction
• Optional Redi-Prime Priming system
FOOD
INDUSTRIAL
MINING
MUNICIPAL
OIL & GAS
REFRIGERATION
RENTAL
Cornell Pump Company | Clackamas, OR 97015 USA | www.cornellpump.com| P: +1 (503) 653-0330 | F: +1 (503) 653-0338
DATA SHEET
8NNT-CC
FEET
METERS
80
50
40
30
20
14"
ENCLOSED
SINGLE VOLUTE
2450
8"
Discharge
No. vanes
8"
2
19
00
18
00
200
16
00
175
150
14
00
125
120
16 FT (4.9 M)
RP
M
60
RP
M
10 FT (3.0 M)
70
75
77
80
RP
M
10 FT (3.0 M)
81
81 15 FT (4.6 M)
80
RP
M
77
75
0R
100
PM
200 HP
75
100 HP
25
0
75 HP
50 HP
8 FT (2.4 M)
0
1000
2000
150 HP
3000
4000
5000
6000
CAPACITY
250
500
750
1000
1250
8000
7000
U.S. GALLONS PER MINUTE
1500
1750
CUBIC METERS PER HOUR
1/00
R
Cornell Pump Company
Portland, Oregon
8NNTVA
Performances shown are for cool water, closecoupled electric configuration with Cycloseal.R
Other mounting styles or liquids may require
horsepower and/or performance adjustments.
Suction
MOUNTING CONFIG.: CC, VM, F, VF, EM, VC
50
10
3.375"
NS
275
225
TOTAL DYNAMIC HEAD
60
Style
VARIOUS
250
70
Solids Dia.
Impeller Dia.
NEW PAGE
Speed
Feet x .305 = Meters
Inches x 25.4 = Millimeters
GPM x .227 = Cubic Meters/Hour
GPM x 3.785 = Liters/Minute
HP x .746 = KW
8NNT VARIOUS RPM
Efficient by Design
DS8NNTCC-103114
Cornell Pump Company | Clackamas, OR 97015 USA | www.cornellpump.com| P: +1 (503) 653-0330 | F: +1 (503) 653-0338