ZHEJIANG SHENNENG TECHNOLOGY CO., LTD
4ST


4ST 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 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 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:

MODELPOWERDELIVERY N=2850R/MIN
13HPl/min01520253035404550
​220V/240V380V/415V
M3/h00.91.21.51.82.12.42.73
4STM2/54ST2/50.5H (M)3432312927252319166
4STM2/74ST2/70.5464342393633292622
4STM2/104ST2/100.75696563605550443729
4STM2/144ST2/141928683797467605242
4STM2/204ST2/201.5139131127120111101907560
4STM2/284ST2/28218917817216415314012610890
4STM2/404ST2/403265249237224208189170147120
MODELPOWERDELIVERY N=2850R/MIN
13HPl/min​025303540455060708090100
220V/240V380V/415V
M3/h01.51.82.12.42.733.64.24.85.46
4STM4/54ST4/50.5H (M)3329282726252421181383
4STM4/74ST4/70.7546434241403937332821137
4STM4/94ST4/91595554525149474337282010
4STM4/144ST4/141.5938786838179766858473320
4STM4/184ST4/182120113111108105102988875604225
4STM4/274ST4/273175164161157152147141127109876135

4ST4/3542312172122082021961891701491208750

4ST4/44528526626025424823822920317213910059

4ST4/485.532229929228527626725623119916011870
MODELPOWERDELIVERY N=2850R/MIN
13HPl/min05060708090100120140
220V/240V380V/415V
M3/h033.64.24.85.467.28.4
4STM6/74ST6/71H (M)423634323028251911
4STM6/104ST6/101.5625351484541382918
4STM6/144ST6/142907774716863594628
4STM6/204ST6/203125107102979286806240

4ST6/2741691451391311231151078455

4ST6/34520817817016215314313210366

4ST6/365.522119018117316415414311272

4ST6/497.530225724623422220919315196













MODELPOWERDELIVERY N=2850R/MIN
13HPl/min08090100120140160180200
220V/240V380V/415V
M3/h04.85.467.28.49.610.812
4STM8/44ST8/41H (M)262423222119171512
4STM8/64ST8/61.5393635343229262217
4STM8/84ST8/82524847464339352924
4STM8/134ST8/133827573716659504030

4ST8/1741089896948779705846

4ST8/21513211711411110393826852

4ST8/235.5148134131127118108957960

4ST8/327.520218217817216014312510580


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