Audited Supplier
4 inch Encapsulated submersible motors
Model and Performance Parameters
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
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
| Model | Power | Frequency | Votage | Rated Current | RPM | PF | Efficiency | Torque | |||
| HP | kW | Hz | V | A | r/min | cosφ | n% | N. m | |||
| NFP4B/0.37 | 0.5 | 0.37 | 50 | 220 | 2.67 | 2850 | 0.99 | 64 | 1.3 | ||
| NFP4B/0.55 | 0.75 | 0.55 | 50 | 220 | 3.8 | 2850 | 0.99 | 67 | 1.9 | ||
| NFP4B/0.75 | 1 | 0.75 | 50 | 220 | 5.05 | 2830 | 0.99 | 68 | 2.5 | ||
| NFP4B/1.1 | 1.5 | 1.1 | 50 | 220 | 7.3 | 2830 | 0.99 | 72 | 3.8 | ||
| NFP4B/1.5 | 2 | 1.5 | 50 | 220 | 9.67 | 2830 | 0.99 | 72 | 5.1 | ||
| NFP4B/2.2 | 3 | 2.2 | 50 | 220 | 14.1 | 2830 | 0.99 | 71 | 7.5 | ||
| NFP4C/0.37 | 0.5 | 0.37 | 50 | 380 | 1.16 | 2850 | 0.69 | 64 | 1.8 | ||
| NFP4C/0.55 | 0.75 | 0.55 | 50 | 380 | 1.61 | 2850 | 0.74 | 67 | 2.5 | ||
| NFP4C/0.75 | 1 | 0.75 | 50 | 380 | 2.17 | 2830 | 0.73 | 68 | 3.5 | ||
| NFP4C/1.1 | 1.5 | 1.1 | 50 | 380 | 3.05 | 2830 | 0.75 | 72 | 5 | ||
| NFP4C/1.5 | 2 | 1.5 | 50 | 380 | 4.05 | 2830 | 0.75 | 72 | 6.8 | ||
| NFP4C/2.2 | 3 | 2.2 | 50 | 380 | 5.98 | 2830 | 0.73 | 71 | 10.3 | ||
| NFP4C/3 | 4 | 3 | 50 | 380 | 7.18 | 2830 | 0.83 | 71 | 12.3 | ||
| NFP4C/4 | 5.5 | 4 | 50 | 380 | 9.69 | 2830 | 0.82 | 71 | 16.5 | ||
| NFP4C/5.5 | 7.5 | 5.5 | 50 | 380 | 13.11 | 2830 | 0.82 | 77 | 22.5 | ||
| NFP4C/7.5 | 10 | 7.5 | 50 | 380 | 17.7 | 2830 | 0.83 | 77 | 30.5 | ||
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.
