4 inch three phase submersible Â well pump
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Material and working limits
Pump casing : stainless steel
Discharge head: cast steel , stainless steel, copper
Insulation class: F
Primary competitive advantages:
Experienced technical staff
Conform to international standard of IEC34-ICE, whole blocked asynchronous motor with squirrel cage rotor.
Outer shell, shaft and bottom made of stainless steel.
Copper alloy or chromium plated cast-iron upper adaptor.
Pressure automatic adjusting device made of oil and water proof reinforced butyl-rubber.
Flange connector under the standard of NEMA (USA National Electrical Manufacturing Association) . * Lacquer-coated wire conformed to USA standard of NEMA MW37-C.
Assure double safety by using the unique released high pressure device.