QZ,QH series submersible shaft (submersible) flow pumpDetailed product description：

QZ, QH series submersible shaft (submersible) flow pump:

Installation method of inlet and outlet water channels
1. Inlet flow rate: According to the recommended installation diagram of the sample, the minimum submergence depth of the pump in the liquid should be greater than the value in the diagram.
2. Water outlet method: tapping the door or other methods.
3. Installation methods: bend pipe suspension, wellbore suspension, concrete developed wellbore type.
motor
Submersible motor
Power level: Electrical performance indicators comply with GB756
Protection level: IP68
Cooling method: ICWO8A41
Basic installation form: IM3013
Voltage level: ≤ 355kw, voltage is 380V or 660V
＞355kw、 The voltage is 380V, 660V, 6Kv, 10kV
Insulation level: F
Rated frequency: 50Hz
Cable length: 10m
shaft seal
Equipped with two or three mechanical seals. The first mechanical seal in direct contact with water is usually made of silicon carbide, while the second and third seals are usually made of graphite to silicon carbide.
Leak proof protection
The QZ and QH series pumps are equipped with leak proof protection sensors. When water leaks into the oil chamber, motor chamber, or junction box, the sensor will sound an alarm or shut down, and a fault signal will be retained.
Overheating protection device
The submersible motor winding is equipped with an overheat protector, which sends a signal or shuts down when the temperature exceeds the specified limit.
Turn
From above the motor, Ye Lun rotates clockwise.

Scope of application
The QZ series submersible axial flow pump and QH series submersible mixed flow pump are widely used in industrial and agricultural water transportation, urban water supply, mild sewage discharge, and water diversion projects.

Working conditions of QZ and QH series submersible shaft (submersible) flow pumps
Clear water and other liquids similar to clear water that do not exceed 50 ℃.


Model meaning:
For example: 40QW (WQ), YW, LW, GWP 15-30-2.2
40- Discharge diameter (mm)
QW (WQ) - Submersible unobstructed sewage pump
YW submersible unobstructed sewage pump
LW upright unobstructed sewage pump
GW Pipeline type unobstructed sewage pump
P-Steel (P), square explosion (B)
15- Flow rate (m3/h)
30 Head (m)

model	rotation speed
300QH-40	one thousand four hundred and sixty
300QH-45
300QH-40B
350QZ-100D	nine hundred and seventy
350QZ-100G	one thousand four hundred and sixty
350QZ-40A
350QZ-45
350QZ-40B
350QZ-70GA
350QZ-70GB
400QZ-100	nine hundred and seventy-five
400QH-45	nine hundred and sixty
450QZ-100	nine hundred and seventy-five
450QH-45A	nine hundred and sixty
450QH-45B
500QZ-100	nine hundred and seventy-five
500QZ-160G	nine hundred and eighty
500QZ-125G
500QZ-70G
500QZ-50G
500QZ-125D	seven hundred and thirty
500QH-45	nine hundred and sixty
600QZ-160G	seven hundred and thirty
600QZ-100
600QH-50	nine hundred and eighty
600QH-40D	five hundred and eighty
600QH40G	seven hundred and thirty
700QH-45
700QZ-50G
700QZ-50D	five hundred and eighty
700QZ-70GA	seven hundred and thirty
700QZ-70DA	five hundred and eighty
700QZ-100G	seven hundred and thirty
700QZ-100D	five hundred and eighty-five
700QZ-125G	seven hundred and thirty
700QZ-125D	five hundred and eighty-five
800QZ-70G
900QH-50	five hundred and ninety
900QZ-50	four hundred and ninety
900QZ-70A	four hundred and eighty
900QZ-70B	four hundred and ninety
900QZ-100G	five hundred and ninety
900QZ-100D	four hundred and eighty
1000QZ-160	four hundred and eighty-five
1200QZ-160	four hundred and ninety
1400QZ-70G	three hundred and sixty-five
1400QZ-100	three hundred and seventy
1400QZ-125D	two hundred and ninety-five
1400QZ-125G	three hundred and sixty-five
1600QZ-70	two hundred and ninety-five
1600QZ-85
1600QZ-125	two hundred and forty-five