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Home > Products > Submersible Pump > 4 Inches Submersible Pump > 4 Inches 35 Centigrade Submersible Multistage Pumps (4SD2/8)

4 Inches 35 Centigrade Submersible Multistage Pumps (4SD2/8)

Basic Info

Model No.:  4SD2/8

Product Description

Model NO.: 4SD2/8 Structure: Multistage Pump Power: Electric Type: Oil-Filled or Water-Filled Pump Industry: Oil Pumps Performance: Automatic Pump Suitable Well Size: 4 Inches: Casing Material: AISI 304ss Diffuser&Impeller: Plastic. PC& POM: Bearing: C&U/ NSK Trademark: DAQIN Origin: China Material: Stainless Steel Assembly: Booster Pump Start Up: Electric Pump Application: Submersible Pump Media: Sea Water Pump Theory: Centrifugal Pump out/Inlet&Oil Chamber: Brass: Shaft: AISI 304ss and Carbon Steel Connected Delivery: 448m: Capacity:270L/Min Specification: CE SGS ISO9906 NEMA Operating condistions
Minimum well diameter: 3.5"
Maximum fluid temperature up to: +35 ºC
Maximum sand content: 0.25%
Maximum immersion depth: 80m

Specifications
Rewindable motor or fully enclosed shielding motor
Single-phase: 220V-240V/50Hz
Three-phase: 380V-415V/50Hz
Dimension complied with NEMA standard
Curve tolerance accord with ISO9906

Options on request
Special material components
Start control box or automatic digital control box
Cable length
Other voltages or frequency 60Hz
Single phase motor with built-in capacitor

Application
Water supply
Sprinkler irrigation
Pressure boosting
Fire-fighting

4 Inches 35 Centigrade Submersible Multistage Pumps (4SD2/8)

4 Inches 35 Centigrade Submersible Multistage Pumps (4SD2/8)
Components Material
Pump external casing AISI304SS
Delivery casing  Cast-Cu ASTM C8500 
Suction lantern  Cast-Cu ASTM C8500 
Diffuser Plastic.PC
Impeller Plastic.POM
Shaft  AISI316SS AISI304SS
Shaft coupling  AISI316SS AISI304SS
Wear ring AISI304SS & Ceramic
Moter External Casing AISI304SS Cast-iron ASTMN0.30
Top chock Cast-Cu ASTM C85500 
Bottom support AISI 304 SS
Mechanical seal Special seal for Deep well(Graphite-Ceramic/TC)
Shaft  AISI 303 SS-ASTM 1045/5140
Bearing NSK
Seal lubricant oil Oil for food machinery and pharmaceutic use.

Performance Data

MODEL DN DiNENSION(mm) WEIGHT(kg)
1-220V/240V 3-380V/415V P M(s) M(T) T(s) T(T) P M(s) M(T) T(s) T(T)
3.5SDM2.5/4 3.5SDM2.5/4 1.25" 286 278 263 564 549 1.8 4.7 4.1 6.5 5.9
3.5SDM2.5/6 3.5SDM2.5/6 1.25" 333 293 278 626 611 2.1 5.3 4.7 7.4 6.8
3.5SDM2.5/8 3.5SDM2.5/8 1.25" 379 313 293 692 672 2.4 6.1 5.3 8.5 7.7
3.5SDM2.5/10 3.5SDM2.5/10 1.25" 425 313 293 738 718 2.7 6.1 5.3 8.8 8
3.5SDM2.5/12 3.5SDM2.5/12 1.25" 471 338 313 809 784 3.1 7 6.1 10.1 9.2
3.5SDM2.5/14 3.5SDM2.5/14 1.25" 517 338 313 855 830 3.4 7 6.1 10.4 9.5
3.5SDM2.5/16 3.5SDM2.5/16 1.25" 564 363 338 927 902 3.7 8 7 11.7 10.7
3.5SDM2.5/18 3.5SDM2.5/18 1.25" 610 363 338 973 948 4.1 8 7 12.1 11.1
3.5SDM2.5/22 3.5SDM2.5/22 1.25" 726 414 363 1140 1089 4.9 9.8 8 14.7 12.9
3.5SDM2.5/26 3.5SDM2.5/26 1.25" 819 414 363 1233 1182 5.6 9.8 8 15.4 13.6
3.5SDM2.5/30 3.5SDM2.5/30 1.25" 911 550 414 1461 1325 11.6 11.6 9.8 17.8 16
3.5SDM2.5/34 3.5SDM2.5/34 1.25" 1003 550 414 1553 1417 11.6 11.6 9.8 18.5 16.7
3.5SDM2.5/40 3.5SDM2.5/40 1.25" 1166 534 550 1700 1716 14.5 14.5 11,6 22.6 19.7
3.5SDM2.5/46 3.5SDM2.5/46 1.25" 1305 534 550 1839 1855 14.5 14.5 11.6 23.5 20.6

4 Inches 35 Centigrade Submersible Multistage Pumps (4SD2/8)
Performance Data

MODEL 50Hz POWER Delivery       n-2850r/min
KW HP Q m³/h 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 3.3 3.6
1-220V/240V 3-380V/415V 1/min 0 5 10 15 20 25 30 35 40 45 50 55 60
3.5SDM2.5/4 3.5SDM2.5/4 0.18 0.25 H(m) 23 22 22 21 21 29 19 17 15 13 11 8 6
3.5SDM2.5/6 3.5SDM2.5/6 0.25 0.33 34 34 33 32 31 30 28 26 23 20 16 12 8
3.5SDM2.5/8 3.5SDM2.5/8 0.37 0.5 46 45 44 43 42 40 37 34 31 26 22 17 11
3.5SDM2.5/10 3.5SDM2.5/10 0.37 0.5 57 56 55 54 52 50 47 43 38 33 27 21 15
3.5SDM2.5/12 3.5SDM2.5/12 0.55 0.75 8 67 66 64 62 60 56 51 46 40 33 25 17
3.5SDM2.5/14 3.5SDM2.5/14 0.55 0.75 80 79 77 75 73 70 65 60 54 46 38 29 19
3.5SDM2.5/16 3.5SDM2.5/16 0.75 1 91 90 88 86 83 80 74 69 61 53 43 33 22
3.5SDM2.5/18 3.5SDM2.5/18 0.75 1 103 101 99 97 94 90 84 77 69 59 49 37 25
3.5SDM2.5/22 3.5SDM2.5/22 1.1 1.5 125 123 121 118 114 110 102 94 84 73 60 45 31
3.5SDM2.5/26 3.5SDM2.5/26 1.1 1.5 148 146 142 140 135 129 121 111 99 86 71 54 36
3.5SDM2.5/30 3.5SDM2.5/30 1.5 2 171 168 164 161 156 149 140 128 115 99 82 62 42
3.5SDM2.5/34 3.5SDM2.5/34 1.5 2 194 191 186 183 177 169 158 146 130 112 92 70 47
3.5SDM2.5/40 3.5SDM2.5/40 2.2 3 8 224 219 215 208 199 186 171 153 132 109 83 56
3.5SDM2.5/46 3.5SDM2.5/46 2.2 3 262 258 252 247 239 229 214 197 176 152 125 95 64

4 Inches 35 Centigrade Submersible Multistage Pumps (4SD2/8) 

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