The G-type high-efficiency gravel pump is a horizontal, single-pump-shell, single-stage single-suction cantilever centrifugal pump specifically designed for transporting slurries containing large particles and highly abrasive solid materials. . It belongs to a type of slurry pump in a broad sense, but its core design aims to solve the problem of continuous transportation of extremely large particle materials that ordinary slurry pumps cannot handle.
Products Parameters
| Flow range | 36 - 10,000 m³/h |
| Head range | 5 - 90 m |
| Maximum efficiency | Up to 72% - 73% |
Product structure diagram

Core feature
1.With sufficient materials, all-copper core wire motor
The motor is equipped with high-performance cold-rolled silicon steel sheets, featuring low temperature rise, high efficiency, sufficient power and long service life.
2.The thickened pump housing has powerful power.
The thickened pump housing is cast with high strength and can withstand external forces. It operates stably.
3.High operational efficiency can meet various harsh conveying conditions.
It adopts a horizontal, single pump housing structure, and the flow components are made of hard nickel and high chromium wear-resistant materials, featuring excellent wear resistance, wear resistance against corrosion, and high reliability. The flow passage is wide and can be used for continuous conveying of large particles with strong abrasion.
Application scenario
Dredging and sediment removal projects:
Dredging by dredgers, sand extraction by sand suction vessels
Dredging and sediment removal operations for rivers, ports, and lakes
Mining and metallurgical industries:
Transportation of mine tailings and raw ore slurries
Transportation of slag (blast slag) during metal smelting
Transportation of heavy medium and coarse particle materials in beneficiation plants and coal washing plants
Other industrial fields:
Slurry transportation in desulfurization systems of the power industry
Mud circulation in non-digging projects (pipe jacking, directional drilling) Solid-liquid mixture transportation with similar characteristics in fields such as building materials, chemicals, and environmental water treatment

Our advantages

CZME is a world-class manufacturer of high-performance pumping solutions, serving industries such as mining, construction, environmental protection, and water treatment. We specialize in the production of Slurry pumps, Dredge pumps, Desulfurization pump, Marine dredging pumps, and other industrial pumps designed for handling solid-laden, highly abrasive, and corrosive slurries. Our expertise in slurry and wastewater management makes us a trusted partner for clients worldwide.
FAQ
What materials can the G/GH sand and gravel pump handle?
They are used to convey highly abrasive slurries containing large-sized solid particles (up to 254 millimeters), which are highly suitable for dredging, slag treatment and metallurgy industries.
What are the differences between the G model and the GH model of the pump?
The G model is the standard sand and gravel pump; the GH model is a high-head version for higher pressure applications.
How wear-resistant are your pumps?
The wet end components are made of hard nickel or high-chromium alloy to ensure excellent wear resistance under harsh conditions.
Can the water outlet direction be adjusted?
Yes, the pump housing allows 360° rotation for flexible installation in any direction.
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