3 inch QGD submersible screw pump
Pump installation and applicationQGD/QG type submersible screw pump is composed by three parts:pump, mechanical seal and motor ,mechanical seals is between pump and motor.inner-installed protector prevents the pump from damage due to abnormal power,clog and overload.They are recommended for pumping clean water without abrasive parts and liquid that are chemically non-aggressive to the material of the pump.mainly used for well pumping,river pumping,farm irrigation,water supply.mining ,drainage in industry.
APPLICATIONSFor water supply from wells or reservoirs.
For domestic use , for civil and industrial applications.
For garden use and irrigation.
OPERATING CONDITIONSMaximum fluid temperature up to +35ºC
Maximum sand content: 0.25%
Maximum immersion: 50M(Can be with or without oil-filled )
Minimum well diameter: 2"/3"/4"
MOTOR AND PUMPRewindable motor, full obturated screen motor
Single phase: 220v-240v/50hz
Equip with start control box or digital auto-control box
Pumps are designed by casing stressed
OPTIONS ON REQUEST Special mechanical seal
Other voltages or frequency
MATERIALPump extermal casing | AISI 304 ss |
Strainer | AISI 304 ss |
Motor external casing | AISI 304 ss |
Bottom support | Cast-Cu ASTM280 |
Mechanical seal | Special seal for deep well(carbon-SIC/TC) |
Bearing | NSK/AISI 304 ss |
top cover | Cast iron G20 UNI5007 |
Shaft | AISI 304 ss |
MAIN TECHNICAL PARAMETER model | power | Volt. | Flow | Head | Pipe dia. | package dimension&GW |
HP | KW | V | m3/h | m | inch | L | W | H | KG |
QGD1-50-0.25 | 0.35 | 0.25 | 220 | 1 | 50 | 1" | 510 | 140 | 165 | 12.5 |
QGD1.2-50-0.37 | 0.5 | 0.37 | 1.2 | 50 | 1" | 510 | 140 | 165 | 14 |
QGD1.8-50-0.5 | 0.7 | 0.5 | 1.8 | 50 | 1" | 510 | 140 | 165 | 14.5 |
QGD2.5-50-0.55 | 0.75 | 0.55 | 2.5 | 50 | 1.25" | 565 | 140 | 165 | 25 |
QGD1.2-120-0.75 | 1 | 0.75 | 1.2 | 120 | 1" | 715 | 140 | 165 | 27 |
QGD1.8-100-0.75 | 1 | 0.75 | 220/380 | 1.8 | 100 | 1" | 620 | 150 | 190 | 28 |
QGD3.5-50-0.75 | 1 | 0.75 | 3.5 | 50 | 1.25" | 620 | 150 | 190 | 28 |
QG1.8-120-1.1 | 1.5 | 1.1 | 380 | 1.8 | 120 | 1" | 620 | 150 | 190 | 32 |
QG5-50-1.1 | 1.5 | 1.1 | 5 | 50 | 1.5" | 620 | 150 | 190 | 31 |
QG5-100-2.2 | 3 | 2.2 | 380 | 5 | 100 | 1.5" | 620 | 150 | 190 | 35 |