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A05 A07 Sea Sand And Gravel Dredge Pumps Corrosion Resistant

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Shijiazhuang Neibuyeluo Import and Export Trading Co.,LTD

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A05 A07 Sea Sand And Gravel Dredge Pumps Corrosion Resistant

Place of Origin : China

Model Number : G

MOQ : one

Packaging Details : Wooden Package

Delivery Time : 30-40days

Payment Terms : TT

Supply Ability : 100 per month

Usage : River dredging, sea sand dredging

Pressure : High Pressure

Application : River dredging, sand pumping, power plants, mining, sewage tre

Drive Type : V-belt,,Elastic coupling, Gear reducer,Fluid coupling

Material of parts : high chrome alloy,A05 A07

Transfering Material : Ore,Sand,Coal,Slag,Ash slurry

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Sea Sand Dredging Anti-Wear And Corrosion-Resistant Centrifugal Sand Dredging Pump

Main Features

Wet-End Design

The unique segmented clamp ring on larger size units and solid on smaller pumps, facilitates casing rotation to any angle, reducing the need for costly high wearing bends. Minimal maintenance is required.
1. Impeller – front and back shroud expulsion vanes reduce gland pressure and intrusion of high concentrations of solids in the gland area. Efficiency is maintained by minimizing suction side recirculation. Specially designed and shaped impeller vanes allow the handling of extraordinarily large particles. The unique casing design and sealing vanes prevent abrasive solids intrusion at the sealing faces.
2. Casing – The large, robust casing has been designed to reduce internal velocities resulting in minimum efficiency loss and improved casing wear life. The casing is made up of three components to reduce maintenance time and costs associated with a one piece design.

Impeller

The impeller generally has three vanes or five vanes and wide application range.It is made of wear-resistant high chromium alloy cast iron(hardness≥58HRC,impact toughness≥9J/cm2).The impeller is fixed on the pump shaft with double thread,and the thread tolerances are inspected according to the pitch diameter of thread.Disassembly rings are installed at the rear of the shaft sleeve to make maintenance eas

Volute casing

The volute casing is made of wear-resistant and compression-resistant alloy(hardness≥56HRC,impact toughness≥8J/cm2).Advanced smelting technology combined with casting process and heat treatment process guarantees smooth casting surfaces and reliable internal qualiyt.

The bulge test will be carried out after molding,and the test pressure is 2 times of the discharge pressure of the pump.If there no leakage after 20 minutes,strength and tightness,strength and tightness pressure test reports can be issued.

Liner plate

The liner plates are made of wear-resistant high chromium alloy cast iron(hardness≥56HRC,impact toughness≥8J/cm2).

Metal Pumps Material
No	Part	Material	No	Part	Material
1	Base	Cast Iron	1	Base	Cast Iron
2	Shaft	4140 High Tensile Steel*	2	Shaft	4140 High Tensile Steel*
3	Bearing Assembly	Timken (Cast Iron Body)	3	Bearing Assembly	Timken (Cast Iron Body)
4	Shaft Sleeve	420 Stainless Steel	4	Shaft Sleeve	420 Stainless Steel
5	Pump Casing	Cast Iron	5	Pump Casing	Cast Iron
6	Frame Plate Liner Insert	Rubber	6	Frame Plate Liner	27% Chrome White Iron
7	Cover Plate Liner	Rubber	7	Volute Liner	27% Chrome White Iron
8	Impeller	Rubber Coated High Tensile Steel	8	Impeller	27% Chrome White Iron
9	Throat Bush	Rubber	9	Throat Bush	27% Chrome White Iron
10	Cover Plate	Cast Iron	10	Joint Rings	Rubber
11	Stuffing Box	Cast Iron	11	Cover Plate	Cast Iron
12	Expeller	27% Chrome White Iron	12	Stuffing Box	Cast Iron
13	Expeller Ring	Natural Rubber	13	Expeller	27% Chrome White Iron
14	Bolts	Zinc Plated Steel	14	Expeller Ring	Natural Rubber
15	O-rings	Nitrile Rubber	15	Bolts	Zinc Plated Steel
16	Seals	Rubber	16	O-rings	Nitrile Rubber
17	Seals	Rubber	17	Seals	Rubber

Application

1)To extract mud and sand for ships,river dredging and mining.

2)For long -distance transmission of big partical or strong corrosive materials

that general slurry pump can't transport.

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