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Home > Multistage Deep-well Submersible Pump 3SK/4SK >
3SK 4SK 
Applications
For water supply from wells or reservoirs.
For domestic use for civil and industrial applications.
Operating conditions
Maximum fluid temperature up to +40
Maximum sand content:0.15%.
Maximum immersion:50m.
Minimum well diameter:4".
Motor and pump
Rewindable motor or Full obturated screen motor.
Three-phase:380V-415V/50Hz
Single-phase:220V-240V/50Hz
Equip with start control box or digital auto-control box
Pumps are designed by casing stressed
Curve tolerance according to ISO 9906
NEMA dimension standards
Options on request
Special mechanical seal
The voltage or frequency 60Hz
Single phase motor with built-in capacitor

Components Material
Pump external casing Cast-Cu ASTM C85500
Suction lantern Cast-Cu ASTM C85500 AISI 201 SS
Diffuser Cast-Cu ASTM C85500 AISI 201 SS
Impeller Cast-Cu ASTM C85500
Strainer AISI 304 SS
Motor external casing AISI 304 SS
Top cover Cast-Cu ASTM C85500 AISI 403 SS
Cast-iron ASTM NO.30
Bottom support AISI 304 SS
Mechanical seal Special seal for deep well(Graphite-Ceramic/TC)
Shaft AISI 303 SS-ASTM 1045
Bearing NSK/C&U
Seal lubricant oil Oil for food machinery and pharmaceutic use

MODEL P2 DN DIMENSIONS(mm) WEIGHT(kg)
1220V/240V 3380V/415V kw HP M(S) M(T) B M(s) M(T)
3SKM75 3SK75 0.55 0.75 1" 491 451 72 7.1 6.2
3SKM100 3SK100 0.75 1.0 1" 550 510 72 8.2 7.3
4SKM100 4SK100 0.75 1.0 1" 456 446 97 10.3 10.0
4SKM150 4SK150 1.1 1.5 1" 505 495 97 12.3 11.3
4SKM200 4SK200 1.5 2 1" 554 544 97 14.7 12.6
Lnthelit:M(S)is single phase motor(T)is three phase motor


Code "F" means pump assembled with float switch
No. Description Material Quantity Remark
1 Outlet cover PP 1
2 Cross screw SUS304 2 M4x8
3 cable fixed-plate ABS 1
4 Inside hexagonal screw SUS304 4 M5x16
5 surface washer SUS304 4
6 Outlet ZCuZn40 1
7 Rubber Pad Fluorine rubber 1
8 Pump cover ZCuZn40 1
9 Impeller ZCuZn40 3
10 pin SUS304 3
11 Circlip SUS304 1 14
12 Surface washer Assembly 1 14
13 Mechanical seal Assembly 1 103-14
14 net SUS304 1
15 inlet ZCuZn40 1
16 screw cap SUS304 4 M8
17 spring washer SUS304 4 8
18 screw SUS304 4 M8x30
19 oil plug SUS201 1 M8x8
20 0 ring NBR 1 7.5x2.65
21 skeleton seal Assembly 1 28x14x7
22 upper bearing seat HT200 1
23 cable Assembly 1
24 screw SUS304 1 M5x12
25 cable clamp SUS304 1
26 cable fixed seat SUS304 1
27 cable sheath Fluorine rubber 1
28 cable pipe ZCuZn40 3
29 cable sleeve washer ZCuZn40 3
30 Position screw SUS201 4
31 cross screw SUS201 4 M5x12
32 O ring NBR 2 80x3.1
33 Mechanical seal Assembly 1 70-16-26
34 bearing Assembly 2 unfold6203
35 rotor Assembly 1
36 coil Assembly 1
37 tower bushing Nylon 1
38 Lower bearing seat ZL102 1
39 barrel SUS201 1
40 oil bag NBR 1
41 base SUS201 1
42 circlip SUS201 1

Performance data 50Hz
MODEL P2 DELIVERY       n2850 r/min
1220V/240V 3380V/415V kw HP Q m3/h 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
Q l/min 0 5 10 15 20 25 30 35 40 45
3SKM75 3SK75 0.55 0.75 H(m) 36 32 29 25 21 17 14 10 6 -
3SKM100 3SK100 0.75 1.0 H(m) 54 48 42 36 30 24 18 12 6 -
4SKM100 4SK100 0.55 0.75 H(m) 58 52 46 40 34 28 22 16 10 5
4SKM150 4SK150 1.1 1.5 H(m) 100 89 79 69 29 48 38 28 17 7
4SKM200 4SK200 1.5 2.0 H(m) 110 99 88 78 67 56 45 34 23 12
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