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NK2-22 Pumps.NK2-22 Pumps
Heavy duty, high-head single-phase pumps.

Double inside mechanical seal with SIC faces provides the longest operational life. Oil lifter provides lubrication of the seal faces.
Synthetic Rubber Wear Parts for maximum durability and pump performance. Continuous duty air-filled motor Ductible iron semi-vortex impeller Dual voltage standard on NK2-15 models from CESSCO Inc.
  • Synthetic Rubber Wear Parts for maximum durability and pump performance.
  • Continuous duty air-filled motor
  • Ductible iron semi-vortex impeller
  • Dual voltage available on NK2-15 model
NK Series - Pump Curves NK2-22 Pump Curve
As elevation (head) decreases, volume capacity increases.
When using any pump, avoid operating on the edges of the pump curve.
The center of every pump curve represents the pumps maximum efficiency.
Model
Pump Size
Motor
Hp
GPM
Max.
Head
Dimensions
Diameter x Height
Weight
YELLSUB
1.25"
1/4
22
15 Feet
6.25" x 9.5"
6 Lbs.
50PU2.15S
2"
1/5
40
19 Feet
8" x 12"
13 Lbs.
50PU2.25S
2"
1/3
55
25 Feet
9" x 14"
16 Lbs.
50PU2.4S
2"
1/2
80
43 Feet
9" x 14"
25 Lbs.
50PU2.75S
2"
1
90
55 Feet
9" x 15"
15 Lbs.
LB-480
2"
2/3
60
40 Feet
8-3/4" x 11-1/4"
30 Lbs.
LB-800
2"
1
80
60 Feet
8-3/4" x 23-5/16"
38 Lbs.
SS233
2"
1/2
60
22 Feet
8.1" x 14.5"
15.5 Lbs.
ST2037
2"
1-1/2
73
37 Feet
7.4" x 15.4"
31 Lbs.
ST2047
2"
1
87
47 Feet
7.4" x 15.4"
33 Lbs.
NK2-15
3"
2
100
65 Feet
9.4375" x 24.5"
63.5 Lbs.
NK2-22
3"
3
130
85 Feet
9.4375" x 24.5"
64 Lbs.
NK2-22L
3"
3
180
55 Feet
9.25" x 26.5"
88 Lbs.
ST3020BCUL
3"
2
170
72 Feet
6.7" x 28.5"
38 Lbs.