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4SJB
4SJB Series Submersible Pump
Characteristics
1. Small volume, total head, full voltage which suitable for household use and industrial use.
2. Oil-immersed
3. Strainer built-in.
Operation condition
1. Operation environment: normal temperature cleaning water.
2. Electromotor totally immersed in water but not over 70 meters.
3. Liquid temperature up to + 35 ℃
4. Minimum well diameter: 4”
5. Maximum sand content:0.25%
Motor and Pump
1. Rewindable motor or Full obturated screen motor
2. Single phase:220-240V/50HZ
3. Three phase:380-415V/50HZ
4. Pumps with Start control box or digital auto-control box
5. 60Hz pumps are available
Materials

COMPONENTS MATERIAL
PUMP EXTERNAL CASING  AISI 304 SS 304
OUTLET AISI 304 SS 304
CONNECTION  AISI 304 SS 304
DIFFUSER PLASTIC. PC GF  
IMPELLER PLASTIC.PPO GF
SHAFT  AISI 316 SS;AISI 304 SS 
SHAFT COUPLING  AISI 316 SS;AISI 304 SS
MOTOR EXTERNAL CASING AISI 304 SS
TOP CHOCK  BRASS OR IRON OR SS 
BOTTOM SUPPORT  Aluminum alloy 
MECHANICAL SEAL SPECIAL SEAL FOR DEEP WELL(CARBON-SIC/TC) 
SHAFT  AISI 304 SS-C1045 304
BEARING  NSK OR C&U and so on.
SEAL LUBRICANT OIL  OIL FOR MACHINERY AND PHARMACEUTICAL USE 
Model definition
Performance data 50HZ
MODEL POWER DELIVERY N=2850R/MIN
1~ 3~ HP l/min 0 15 20 25 30 35 40 45 50
​220V/240V 4SJB380V/415V
M3/h 0 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3
4SJBM2/5 4SJB2/5 0.5 H (M) 34 32 31 29 27 25 23 19 166
4SJBM2/7 4SJB2/7 0.5 46 43 42 39 36 33 29 26 22
4SJBM2/10 4SJB2/10 0.75 69 65 63 60 55 50 44 37 29
4SJBM2/14 4SJB2/14 1 92 86 83 79 74 67 60 52 42
4SJBM2/20 4SJB2/20 1.5 139 131 127 120 111 101 90 75 60
4SJBM2/28 4SJB2/28 2 189 178 172 164 153 140 126 108 90
4SJBM2/40 4SJB2/40 3 265 249 237 224 208 189 170 147 120
MODEL POWER DELIVERY N=2850R/MIN
1~ 3~ HP l/min ​0 25 30 35 40 45 50 60 70 80 90 100
220V/240V 380V/415V
M3/h 0 1.5 1.8 2.1 2.4 2.7 3 3.6 4.2 4.8 5.4 6
4SJBM4/5 4SJB4/5 0.5 H (M) 33 29 28 27 26 25 24 21 18 13 8 3
4SJBM4/7 4SJB4/7 0.75 46 43 42 41 40 39 37 33 28 21 13 7
4SJBM4/9 4SJB4/9 1 59 55 54 52 51 49 47 43 37 28 20 10
4SJBM4/14 4SJB4/14 1.5 93 87 86 83 81 79 76 68 58 47 33 20
4SJBM4/18 4SJB4/18 2 120 113 111 108 105 102 98 88 75 60 42 25
4SJBM4/27 4SJB4/27 3 175 164 161 157 152 147 141 127 109 87 61 35

4SJB4/35 4 231 217 212 208 202 196 189 170 149 120 87 50

4SJB4/44 5 285 266 260 254 248 238 229 203 172 139 100 59

4SJB4/48 5.5 322 299 292 285 276 267 256 231 199 160 118 70
MODEL POWER DELIVERY N=2850R/MIN
1~ 3~ HP l/min 0 50 60 70 80 90 100 120 140
220V/240V 380V/415V
M3/h 0 3 3.6 4.2 4.8 5.4 6 7.2 8.4
4SJBM6/7 4SJB6/7 1 H (M) 42 36 34 32 30 28 25 19 11
4SJBM6/10 4SJB6/10 1.5 62 53 51 48 45 41 38 29 18
4SJBM6/14 4SJB6/14 2 90 77 74 71 68 63 59 46 28
4SJBM6/20 4SJB6/20 3 125 107 102 97 92 86 80 62 40

4SJB6/27 4 169 145 139 131 123 115 107 84 55

4SJB6/34 5 208 178 170 162 153 143 132 103 66

4SJB6/36 5.5 221 190 181 173 164 154 143 112 72

4SJB6/49 7.5 302 257 246 234 222 209 193 151 96













MODEL POWER DELIVERY N=2850R/MIN
1~ 3~ HP l/min 0 80 90 100 120 140 160 180 200
220V/240V 380V/415V
M3/h 0 4.8 5.4 6 7.2 8.4 9.6 10.8 12
4SJBM8/4 4SJB8/4 1 H (M) 26 24 23 22 21 19 17 15 12
4SJBM8/6 4SJB8/6 1.5 39 36 35 34 32 29 26 22 17
4SJBM8/8 4SJB8/8 2 52 48 47 46 43 39 35 29 24
4SJBM8/13 4SJB8/13 3 82 75 73 71 66 59 50 40 30

4SJB8/17 4 108 98 96 94 87 79 70 58 46

4SJB8/21 5 132 117 114 111 103 93 82 68 52

4SJB8/23 5.5 148 134 131 127 118 108 95 79 60

4SJB8/32 7.5 202 182 178 172 160 143 125 105 80
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