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Home > Products > Other Type Pump > Qw (N) -Type Submersible Pump

Qw (N) -Type Submersible Pump

Basic Info

Model No.:  QW, QW(N)

Product Description

Model NO.: QW, QW(N) Structure: Single-Stage Pump Power: Hydraulic Type: Blade Pump Industry: Mechanical Pump Performance: Automatic Pump Outlet Diameter: No More Than600mm(2"-20") Head: No More Than 60m Matched Power: 1.5-270kw Specification: ISO. CE HS Code: 8413709990 Material: Stainless Steel Assembly: Liquid Pumps Start Up: Start Pump Application: Submersible Pump, Slurry Pump Media: Sewage Pumps Theory: Centrifugal Pump Capacity: No More Than 3750m3/H Speed: 740r/Min 970r/Min 1450r/Min 2980r/Min Trademark: aNHUI SANLIAN/KUBOTA SANLIAN Origin: Anhui China Description
QW type submersible Sewage Pump is developed based on imported advanced technology abroad. It has the advantages of high efficiency, not easy to enlace, no clogging, auto-coupling and auto-control
The advantages of QW pump are its small volume, compact structure and high efficiency, with products more than 15kW. It can detect the water leakage, overheat, overload protection. And as the requirements of user, an auto-protection control cabinet which has liquid level control shall be equipped.
Installation type of QW type pump has auto-coupling installation and movable installation.
QWN type submersible sewage pump is developed based on QW type pump, absorbing advanced technology abroad.

Application Area
QW type pump is mainly used in urban construction, industry, hospital, building, hotel, restaurant and so on. It is used to transport silt, urban sewage containing solid granule and long fiber.
QWN type pump is mainly applied in municipal engineering, steel plant, power plant, mines and some other wear-resistant sites for discharging sludge and waster water containing solid particles.

Structural Characteristics

QW type submersible sewage pump has compact structure and is mounted with various kinds of status display and protective device to make its operation safe and reliable. The structure of pump is characterized as follows:

The leakage detector inside the wiring chamber can make alarm noises if there is leakage inside, and then the control system begins to protect the pump.
The insulation class for the rotor of the motor is F. Every phase is quipped with overheat and overload protective components.
Stainless steel is used for the rolling motor shaft. The dynamic balance of rotor is carried out to make pump run more smoothly.
The circulation cooling system cools down the motor rotor, which improves the motor's working condition and then the pump is allowed to be operated in case that the pump exposes outside the water surface or the pump runs dry. (Not in the case of type of pump under 18.5kW).
Two seal inspections are set up so that alarm noises can be made if any seal leakage happens.
Carborundum or carborundum double end face is used in mechanical seal to ensure that the pump can operate safely and reliably for a long period of time.
The flow impeller design can make pump have powerful flow, block-proof and high efficiency, and it can also make the pump in full head so that it is convenient to make adjustment on capacity and select the right pump type.

QWN type submersible sewage pump
It is safe and reliable. The motor insulation class is f class, complete with overheat and overload protective components. There is leakage detector installed inside the stator hosing. The control system provides protection for the pump.
Stainless steel is used for motor rotational shaft, and static and dynamic test are carried out for rotor, both of which make the pump operate more smoothly. Domestically famous make of bearing is applied for the driver, which makes reliable performance.
The unique three-layer mechanical seal is adopted for the sealing system. High quality mechanical seal is used for seal, and tungsten carbide is applied as the sealing material, which greatly enhances the wear-resistant performance for sealing. A dislodgement plate is fixed at the inlet of the isolated area. This drives the solid particles out of the isolated areas.
In order to extend the application range, alloy steel is used for the flow part, and jacket structure is applied. So the maintenance and replacement will be quick and convenient.
Even if the working conditions are hard, this sludge pump can help solve the problem. It is characterized by its hardness, wear-resistance, convenient operation and easy maintenance. The agitation head can also be mounted if necessary to avoid the solid particles on the pond bottom from settling down.

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