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Canned Motors Environment-friendly Encapsulated Submersible Motor

Dongda Electric's 4inch encapsulated motors are manufactured to ISO 9001 standards, and are the quality drive for submersible pumps, offering a maintenance-free long-life submersible motor operation.
Availability:
Quantity:
  • NFP4B/0.55

  • DONGDA

Features

  • Water lubricated thrust

  • Radial bearings

  • Sand Fighter seal system (150 mm and 200 mm) for sandy applications

  • High efficiency electrical design.

Product Details


1415


Submersible Motor Model

Item No.: NFP4B/0.37   

NF: submersible motor code

P: means encapsulated

4: suit for well diameter 4(100m)

B: Types of power supply: B means Single phase, C means three phase

0.37: Power

微信截图_20240315145748


4 Inch Encapsulated Submersible Motors

Applications

  • Residential

  • Commercial

  • Agricultural

  • Mining

  • Marine

  • Municipal

  • Industrial

  • River water extraction

  • DWAF

Specifications

  • Hermetically sealed stator, anti track, self healing stator resin prevents motor burn out

  • Removable “Water Bloc” lead connector

  • Cable material according to drinking water regulations (VDE / ACS / KTW approved)

  • High efficiency electrical design for low operation cost

  • All motors prefilled and 100% tested

  • Max. storage temperature -15 °C - + 60 °C

  • Non contaminating FES91 -filled design

  • 45 kN High Thrust Versions

Technical Specification

  • 0.37 - 7.5kW

  • NEMA flange

  • Protection: IP 68

  • Starts per hour: max. 20

  • Installation: vertical/horizontal

  • Standard Voltage: 220V 380-415 V/50 Hz, 460 V/60 Hz

  • Voltage tolerance 50 Hz: -10% / +6% UN [380-415 V = (380-10%) – (415+6%)]

  • Voltage tolerance 60 Hz: ±10% UN

  • Motor protection: Select thermal overloads according to DIN 61947-4-1

  • Insulation: Class F

  • Rated ambient temperature: 4- 30 kW up to 30 °C; 

  • Cooling flow: min. 0,16 m/s

  • Motor lead in 4m length (VDE / ACS / KTW approved)

 

General Features

0.5-10HP, single or three phase, 220-380V voltage/50HZ

Hign efficiency saving the operation cost 

Motor casing and shaft made of AISI 304 stainless steel( optional AISI316)

High resistance 304 stainless steel upper and lower bracket

Water lubricated Kingsbury type thrust bearings

Protection class: IP68

Sand slinger protection

Pressure equalizing diaphragm

Insulation class F

Removable lead cable

Operating Limits

Max.voltage fluctuation: ±10%

Max. water temperature: 35℃ with at least 0.16m/s of water flow speed

Standard mounting position: vertical and horizontal


About Us

微信图片_20240105093521

Jinhua Dongda Pump Co., Ltd. is a leading manufacturer of stainless steel submersible pumps in China. The company was founded in 2001, that is, in order to meet the changing needs of various fields, to establish close and specific cooperative relations with our customers, and constantly introduce new products and new services.As water pump industry well-known brands and enterprises, the company has passed ISO9001 / ISO14001 / ISO45001 three system of quality certification, set up contains water pump manufacturing center, submersible motor manufacturing center, logistics center, can be enclosed in demand for all kinds of water to provide more suitable products. Its products are 4"-10" stainless steel deep well pump, submersible pump for DC solar well, SP all stainless steel fountain pump, DMX512 ultra-low pressure stainless steel fountain pump, and non-polluting shielded submersible motor.From the idea of a single innovative solution to the rigorous inspection, from the selection of raw materials to the production technology, we can fully meet each series of products, simple installation process, long durable cycle; Convenient, low maintenance costs, products will be excellent quality, fast after-sales service in the market.





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Jinhua Dongda Pump Co., Ltd. is a leading manufacturer of stainless steel deep well pumps in China.

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  Address: Bailongqiao Town, Jinhua, Zhejiang, China
  Tel: +86-579-82213550
  WhatsApp: +86 18258959223

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