Taizhou Shenneng Electric Co.,Ltd
4SR

4SR Series Submersible Pump

CHARACTERISTICS:

1. Small volume, total head, full voltage which suitable for household use and industrial use. 

2. Oil-immersed 

OPERATION CONDITIONS:

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 SS 304
CONNECTION  SS 304
DIFFUSER PLASTIC. PPO GF 
IMPELLER PLASTIC.PC
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 1/min 0 10 20 30 40 50 60
220V/240V 380V/415V HP M3/h 0 0.6 1.2 1.8 2.4 3 3.6
4SRM2/7 4SR2/7 0.5 H (m) 48 46 44 39 33 25 14
4SRM2/10 4SR 0.75 70 68 63 57 48 36 20
4SRM2/13 4SR 1 90 88 82 74 62 46 26
4SRM2/20 4SR 1.5 135 130 122 111 93 71 39
4SRM2/27 4SR 2 180 173 164 150 126 96 52
4SRM2/39 4SR 3 260 250 238 216 183 138 75


MODEL POWER DELIVERY N=2850r/min
1 3 HP 1/min 0 20 30 40 50 60 70 80 90 100
220V/240V 380V/415V M3/h 0 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6
4SRM4/5 4SR4/5 0.5 H(m) 33 32 30 29 27 25 23 20 16 12
4SRM4/7 4SR4/7 0.75 45 44 42 40 38 35 32 28 23 17
4SRM4/9 4SR4/9 1 60 56 55 52 49 45 40 29 29 23
4SRM4/14 4SR4/14 1.5 92 88 85 81 76 70 63 55 45 35
4SRM4/18 4SR4/18 2 120 112 109 104 98 90 81 70 58 45
4SRM4/26 4SR4/26 3 170 162 157 150 141 130 116 101 84 63
4SR4/35 4 230 220 211 202 190 175 157 137 113 85
4SR4/46 5.5 308 293 280 269 249 230 205 181 151 117
4SR4/60 7.5 405 385 370 350 325 300 270 235 195 155



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