Vertical Long Shaft Pump

Vertical Long Shaft Pump

Submersible Pump

Application:

This series pumps are used to transfer clear water, rain water, water in iron sheet pits, sewage and seawater, servicing in power plants, iron and steel works, water supply companies, sewage treatment plants, petroleum and chemical industries mines as well as municipal water supply and drainage projects, farmlands irrigation, flood protection and drain waterlogged farmlands, etc .The temperature of pumped media is 90℃by special design，the capacity is 30-9000m³/h, the head is 5-220m. it accords with the China town construction industry standard of CJ/T238-2006 for 《Vertical long shaft pump》, it owns the cycle lubrication bearing arrangement ofpatent.(patent code: .6)

Features:

Structure feature:

Wet pit type:lower part of the pump inundated in the intake sump.
Dry pit type:the water enters into the pump,the suction bellmouth is connected with the inlet pipe of
the pump by means of elbow bend pipe of 900.
	Rubber guide bearings and /or the Thordon guide bearings are available for bearings of the pump.
	Generally when the nozzle diameter of the pump is under 1000mm , non pull-out type is adopted

for the rotor and the discharge opening is above the mounting foundation(Type Code named ST). In this case the axial thrust force and the weight of the rotor are usually born by thrust bearings of the pump itself and flexible connection is adopted between the pump and the motor.The thrust force and the weight of the rotor can also be born by the motor if required,or other structure types such as SD,XT,XD are available .Rotor pull-out type can also be adopted if required by clients.

Generally when the discharge diameter of the pump is above 1000mm, pull-out type is adopted for the rotor and the discharge opening is under the mounting foundation(Type Code named XD).In this case the axial thrust force and the weight of the rotor are usually born by thrust bearings of the motor and rigid connection is adopted between the pump and the motor. The axial thrust force and the weight of the rotor can also be born by the pump if required,or other structure types such as XT,SD,ST are available .Rotor non pull-out type can also be adopted if required by clients.

The chief component of material

Media
	Sewage（incl.of abrasiv
Parts		Clear water	Seawater
	powder）
Discharge elbow	HT200Ni2Cr
）	Q235-A	0Cr18Ni9	Q235-A
Intermediate column	ZG0Cr17Ni12Mo2
HT200Ni2Cr	HT200、QT500-7、
		Guide vane,
HT200	ZG0Cr18Ni9		ZG270-500、ZG2Cr13、
		Suction bellmouth
ZG0Cr17i12Mo2	ZG0Cr13Ni4Mo
HT200、ZG270-500、	ZG0Cr18Ni9	QT500-7 、G270-500、
		ZG2Cr13、
Impeller	ZG2Cr13		ZG0Cr17i12Mo2
		ZG0Cr13Ni4Mo
HT200、ZG270-500、	ZG0Cr18Ni9	QT500-7 、G270-500、
		ZG2Cr13、
Shroud,wearing ring	ZG2Cr13		ZG0Cr17Ni12Mo2
		ZG0Cr13Ni4Mo
45、2Cr13	2Cr13、0Cr18Ni9	45、2Cr13
Main shaft	0Cr17Ni12Mo2	1Cr18Ni9
2Cr13、0Cr18Ni9
45,2Cr13	ZG0Cr17Ni12Mo2	2Cr13、1Cr18Ni9
			Shaft sleeve
HT200+abrasive rubber
	HT200+abrasive rubber	HT200+abrasive rubber
Guide bearing
	HT200+Thordon bearing
HT200+Thordon bearing		HT200+Thordon bearing

Remarks:Other materials are available at the request of clients.Cast iron is suitable only for closed type impeller.

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