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STA901...904

Immersion Pumps STA901...904

Immersion Pumps
are centrifugal pumps with the impeller fitted on the driving shaft extension. They are mounted on top of the container, the pump extension being immersed in the coolant.
The maximum coolant level must stay a few inches below the mounting flange.
The delivery capacities shown in the tables apply to water at 4.6 SSU (1 mm2/s) and 68°F (20°C).
For the delivery of oils, the values will decrease due to higher viscosities which result in an increased pipe resistance.
The STA pumps are equipped with the user-friendly 45 degree flange connection which allows for either vertical or horizontal pipe connection and the connection of a pressure gauge.



Semi-open impellers

Technical drawing


STA901...904

Immersion Pumps - STA901...904



STA901, 902
STA903...904
Discharge port with NPT 2 inches available upon request.Dimensions in Inches / mm*) Dimensions STA901**) Dimensions STA904


Pump characteristic


yaxis STA901...904
xaxis

Immersion Pumps - STA901...904

yaxis STA901...904
xaxis

Applications

Types of fluidcoolants
cooling/cutting oils
Kinematic viscosity...200 SSU (...45 mm²/s)
Pumping temperature30...175 °F (0...80 °C)
higher temperatures upon request

Construction

 

 

 

 

 

Pump bodycast iron
Covercast iron
Impellerscast steel
Shaftsteel
Optional:
Suction coverwith threaded G 3 inlet
Other materialson request
Noise level 74 dBA (STA901)
78 dBA (STA902...STA903)
79 dBA (STA904)


Type Flow at head Height Depth of immersion Weight   Power Voltage
3 ~
Fre-
quen-
cy
Current Speed
GPM /Feet H inch h inch h mm Lbs kg HP V Hz AMPS RPM
l/min /m mm kW
STA901S200    cad 175/42
700/11
19.8
503
7.87 200 134.5 61.0 5.1
3.8
230 60
12.8
3520
300    cad     11.81 300 143.3 65.0   460 60
6.4
3520
430    cad     16.93 430 149.9 68.0      
 
 
550    cad     21.65 550 158.8 72.0      
 
 
750    cad     29.53 750 187.4 85.0      
 
 
980    cad     38.58 980 200.7 91.0      
 
 
1100    cad     43.31 1100 209.5 95.0      
 
 
STA902S270    cad 175/95
700/28
22.6
574
10.63 270 216.1 98.0 9.2
6.9
230 60
21.2
3550
370    cad     14.57 370 224.9 102.0   460 60
10.6
3550
500    cad     19.69 500 231.5 105.0      
 
 
620    cad     24.41 620 238.1 108.0      
 
 
820    cad     32.28 820 266.8 121.0      
 
 
1050    cad     41.34 1050 280.0 127.0      
 
 
1170    cad     46.06 1170 293.3 133.0      
 
 
STA903S340    cad 175/145
700/42
24.1
612
13.39 340 262.4 119.0 13.8
10.3
230 60
31.6
3550
440    cad     17.32 440 269.0 122.0   460 60
15.8
3550
570    cad     22.44 570 277.8 126.0      
 
 
690    cad     27.17 690 286.7 130.0      
 
 
890    cad     35.04 890 315.3 143.0      
 
 
1120    cad     44.09 1120 328.5 149.0      
 
 
STA904S410    cad 175/190
700/55
24.4
620
16.14 410 330.8 150.0 16.9
12.6
230 60
39.2
3560
510    cad     20.08 510 337.4 153.0   460 60
19.6
3560
640    cad     25.20 640 346.2 157.0      
 
 
760    cad     29.92 760 355.0 161.0      
 
 
960    cad     37.80 960 388.1 176.0      
 
 
1190    cad     46.85 1190 396.9 180.0      
 
 

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