Motor Characteristics

• 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 allor or Nickel plated cast-iron upper and bracket.
• Swedish SKF thrust bearing undertaking higher thrust loads.
• Italian BT seals.
• Pressure automatic adjusting device made of oil and waterproof reformed butylrubber.
• Flange connector conform to the standard of NEMA (USA National Electrical Manufacturing Association).
• Lacquer-coated wire conformed to USA standard of NEMA MW37-C.

4" motor Properties

• Ratings: singlephase:0.37kw - 2.2kw, threephase: 0.37kw - 7.5kw
• Voltage: singlephase 220/230V (-6% + 10%) or 230/240V (+6% - 10%) 50Hz Threephase 230V or 400V ± 10% 50Hz
• Thrust load: 1500N (1.37kw - 0.75kw) NFS4 series
  2500N (1.1kw - 5.5kw) NFS4 series
  4500N (3.0kw - 7.5kw) NFS4 series
• Degree of protection: IP68
• Insulation: Class B
• Maximum Ambient temperature: 35°C
• Maximum cooling flow along the motor: 8cm/sec
• Water PH: 6.5 - 8.0
• Maximum starts per hour: 30
• Maximum submerged depth: 350 meters
• Vertical and horizontal mounting position
• Motor protection by temperature compensated thermal relay and extra-quick trip overload
• Overload trip time: <10 seconds (at load is 5 times or rating current)
• Flat waterproof cable 4 x 2.0mm2 with separated earth
  Dimension: 17 x 5.7mm2
  Length:
  1.5m(0.37 - 3.0kw);
  2.5m (4.0 - 5.5kw);
  

4" Oil cooling submersible motor
	1 - Sand Guard
	2 - Rubber
	3 - Cable
	4 - Cable clamp
	5 - Cable cover clamp
	6 - Washer
	7 - O-ring
	8 - Upper bearing
	9 - Motor body
	10 - Bearing support
	11 - Bearing
	12 - Washer
	13 - Membrance
	14 - Low support
	15 - Snap ring
	16 - Down sand cover
	17 - Studs
	18 - Nut
	19 - Washer
	20 - Upper support
	21 - Mechanical seal
	22 - Washer
	23 - Screw
	24 - Spring
	25 - Insulating paper
	26 - Complete stator
	27 - Complete rotor

	A: 14 teeth serrated assy, model 1.0583, angle pressure 30°, coupling according to ANSL B.92.1 class5.
	1: Filling and breather taps.
	2: Earth clamp

Electric Submersible Pump

Description of the main components of the submersible electric pumps

• Delivery door and suction support: in alloy copper
• Shaft (431#), couplings (329#), pump body (304#): in stainless steel
• Check valve: in plastic
• Impeller: in high intensity plastic - PC, POM
• Diffuser: in high intensity plastic - PC, POM with inserts of stainless steel in the middle
• Bearing: wear resistant rubber
• Bolt and nut: in stainless steel
• Bushing: in stainless steel covered with ceramic
• Suction yard: in stainless steel

4" submersible bore pump body
	1 - Delivery Door
	2 - Check valve support
	3 - Snap translating ring
	4 - Anti-wear washer
	5 - Diffuser
	6 - Bearing
	7 - Shaft Support
	8 - Impeller
	9 - Diffuser cover
	10 - Screw
	11 - Washer
	12 - Crid
	13 - Suction support
	14 - Cable cover clamp
	15 - Screw
	16 - O-ring
	17 - Check valve
	18 - Studs
	19 - Washer
	20 - Washer
	21 - Shaft
	22 - Washer
	23 - Bushing
	24 - Pump body
	25 - Cable cover
	26 - Shaft coupling
	27 - Nut
	28 - Washer
	29 - Screw rod