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4SJA
4SJA Series Submersible Pump
Performance Feature
1. Small volume, total head, full voltage which suitable for household use and industrial use.
2. Oil-immersed
3. Engineering plastic, single pole floating.

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 BRASS OR IRON OR SS 
CONNECTION  BRASS OR IRON OR SS 
DIFFUSER PLASTIC. PC.     PC
IMPELLER PLASTIC.POM.    POM
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.NSK NSK
SEAL LUBRICANT OIL  OIL FOR MACHINERY AND PHARMACEUTICAL USE 
Model definition
Performance data 50HZ
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