Water supply and drainage equipment research and development, production and sales

WL series vertical sewage pump

WL series vertical sewage pump is a new-generation product successfully developed by this Co. by way of introducing the advanced know-how from both at home and abroad, upon the requirements and conditions of use of the users and reasonable designing and features high efficiency, energy saving, flat power curve, non-block-up, wrapping-resisting, good performance etc.

This series pump uses single(dual) great flow-path impeller or the impeller with dual or three blades and, with the unique impeller`s structure, has a very good flow-passing performance, and equipped with reasonable spiral housing, is made to be high effective and able to transport the liquids containing solids, food plastic bags etc. long fibres or other suspensions, with the maximum diameter of the solid grains 80~250mm and the fibre length 300~1500mm.

WL series pump has a good hydraulic performance and a flat power curve and, by testing, each of its performance index reaches the related standard. The product is greatly favoured and evaluated by the users since its being put into the market for its unique efficiency and reliable performance and quality.

Head:

6~62m

Capacity:

10~6000m³/h

Medium temperature:

0℃~60℃

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Product Information

This pump consists of pump casing, impeller, rear cover,mechanical seal, shaft, bearing seat, inlet valve, air-liquid separating pipe, water filling valve, inlet and drain-out nipples etc.

A liquid storing cavity is set inside of the pump casing and connected to the working cavity through the back-flow hole on the upper and the cycling hole on the lower to form the axial-back flow outside mixing type system of the pump.

Liquid of a certain volume has been stored in the storing cavity after the pump stops working and, under the action of the impeller when the pump starts, is thrown out upwards with air and then flows back to the working cavity through the grids of the air-liquid separating pipe, the air is exhausted out of the pump to have a certain vacuum formed inside of the pump so as to get the self-suction action.

advantage

The unique impeller design and the great flow-path block-up vesisting hydraulic parts greatly enhance the ability for sewage to pass and effectively have fibre matters and solid grains passing through.

It belongs to the integrated electromechanical product with both pump and motor in one shaft to directly drive, resulting in compact structure and stable performance.

Strong applicability, suitable for conveying urban domestic sewage, industrial and mining enterprise sewage, etc.

Easy operation, low cost for maintenance; can be overally placed outdoors to work without need of machine room,saving great deal of construction fees.

Mechanical seal is made of hard wearable corrosion-proof tungsten carbide and features durability and wearbility and can safely and continually run over 800h.

The motor is reasonably fitted with, high overall efficiency,good hydraulic performance and low noise at running.

Product Display

Model meaning

specifications

No	Name	No	Name	No	Name	No	Name
1	Inlet nipple	5	Outlet nipple	9	Impeller	13	Pump shaft
2	Inlet valve	6	Pump casing	10	Mechanicalsea	14	Bearing cover
3	Middle nipple	7	Air-liquid separating pipe	11	Water bafle	15	Bottom cover-plate

size

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