Take 150QJR50-70/14 as an example
150 indicates the well diameter is no less than 150mm.
Q: Submersible (the first letter of Chinese Pinyin Qian Shui);
J: Well using (the first letter of Chinese Pinyin Jingyong);
R: Hotwater (the first letter of Chinese Pinyin Reshui)
50: Quantity capacity 50 m3/h;
70: Head: 70m, /14: Fourteen-stage impeller series connection

Application:
Suitable for enterprises and public institutions such as bath center, district heat supply, power generation, underground hotwater lifting. Different specifications and types provided for different wells. This pump is low noise, high efficiency and energy saving.

Technical Parameter:
1 Water temperature range: +5--+105
2 Solid content (mass ratio): ≤ 0.01%
3 pH value: 6.5-8.5
4 H2S content: ≤ 1.5mg/L
5 Cl- content: ≤ 400mg/L
6 The full set must be submerged into water completely in vertical position and the model must be matched with the well diameter.

Motor Parameter:
The length of extended cable: 3m. If you want to lengthen the extended cable, please phone us in advance. The submersible motor is lubricated by clean water. It must be filled with clean water, or its service life will be lessen. If you forget filling, the motor will be broken.
Motor protection level: IPX8
Electromagnetic wire material: High temperature resistent and water proof.

Power Source:
Rated voltage: 380v (± 5) Frequency: 50Hz(± 1).
If you need special voltage or frequency, please inform us in advance.

Materials:
Impeller: Cast iron HT200, or tin bronze, such as ZCuSn3Zn8Pb6Ni1
Pump bowl: Cast iron HT200, or stainless steel, such as 2Gr13.304
Pump shaft: Cold-drawn steel with chrome plating, or stainless steel 2Gr13(1050thermal refining, enhancen torsional moment)
Motor Seal: Rubber O-ring seal, mechanical seal
Motor regulating sleeve: Rubber

Advantages:
1 Easy installation
2 Low noise, high temperature resistence, long service life.
3 Fully operating in water avoiding entering air.

Supplys:
Hotwater submersible pump set(including the body and motor), 1 flange matching with outlet, 6 bolts 12× 60, or equipped with related outlet (in order to install convenient for costomer)1 maintanence instruction, 1 conformity certificate, 1 packing list, wooden external packing.

Color:
Regular color(without requiement): Phthalocyanine bluechlorinated rubber paint suitable for machines working in non-aggressive water.

Corrosion-inhibiting Coating:
If the pump is used in corrosive high temperature situation:
1) Material such as stainless steel, tin bronze can be changed.
2) Brushing corrosion-inhibiting coating to prolong the service life if corroded not badly.

The following is a partial list of some of our products. These products are the popular products. The material you can choose according to your requirements, such as cast iron, stainless steel 304/316/316L, tin bronze 3861, .
You can choose what you need by referencing this table. If you want to subscribe some types out of the range of this table, you can inform us in advance