WS, WSG Gravel Sand Pump
Product Description
SPECIFICATIONS:
Size (discharge): 4" to 18"
Capacity: 36-4320m3/hr
Head: 5m-80 m
Handling solids: 0-260mm
Concentration: 0%-70%
Material: High chrome alloy, Cast iron, Stainless steel etc
AIER® WS, WSG Gravel Sand Pump
Pump Introduction
WS/WSG gravel pumps are designed for continuously handling the most difficult higher abrasive slurry which contain too big solids to be pumped by a common pump. They are suitable for delivering slurry in mining, explosive sludge in metal smelting, dredging in dredger and course of rivers, and other fields. Type WSG pump are of high head ones.
Typical Applications
Tailings, sugar beet, dredging, slag granulation, cyclone feed, slag granulation, suction hopper dredging, barge loading, mill discharge, sand reclamation, booster pumping, sand waste, material transfer, etc.
Features
Construction of this pump is of single casing connected by means of clamp bans and wide wet-passage. The wet-parts are made of Ni-hard and high chromium abrasion-resistance alloys. The discharged direction of pump can be oriented in any direction of 360°.
The type of pump possess the advantage of easy installing and operation, good performance of NPSH and abrasion-resistance.
Types of driver: V belt driver, gearbox driver, elastic coupling driver, fluid coupling driver, frequency conversion driver, silicon controlled rectifier speed regulation etc.
Pump Notation
200WS-F
200: Outline Diameter: mm
WS: Pump Type: Gravel Pump
F: Frame type
Construction Design

Pump Part Material
| Part Name | Material | Specification | HRC | Application | OEM Code |
| Liners & Impeller | Metal | AB27: 23%-30% chrome white iron | ≥56 | Used for higher wear conditions with pH between 5 and 12 | A05 |
| AB15: 14%-18% chrome white iron | ≥59 | Used for higher wear condition | A07 | ||
| AB29: 27%-29% chrome white iron | 43 | Used for lower pH conditions, especially for FGD. It also can be used for low-sour condition and desulfuration installation with pH no less than 4 | A49 | ||
| AB33: 33%-37% chrome white iron | It can transport oxygenated slurry with a pH of not less than 1 such as phosphor-plaster, nitric acid, vitriol, phosphate, etc. | A33 | |||
| Expeller & expeller ring | Metal | B27: 23%-30% chrome white iron | ≥56 | Used for higher wear conditions with pH between 5 and 12 | A05 |
| Grey iron | G01 | ||||
| Stuffing Box | Metal | AB27: 23%-30% chrome white iron | ≥56 | Used for higher wear conditions with pH between 5 and 12 | A05 |
| Grey iron | G01 | ||||
| Frame/Cover plate, bearing house & base | Metal | Grey iron | G01 | ||
| Ductile iron | D21 | ||||
| Shaft | Metal | Carbon steel | E05 | ||
| Shaft sleeve, lantern ring/restrictor, neck ring, gland bolt | Stainless steel | 4Cr13 | C21 | ||
| 304 SS | C22 | ||||
| 316 SS | C23 | ||||
| Joint rings & seals | Rubber | Butyl | S21 | ||
| EPDM rubber | S01 | ||||
| Nitrile | S10 | ||||
| Hypalon | S31 | ||||
| Neoprene | S44/S42 | ||||
| Viton | S50 |
Transmission Module Design

Shaft Seal Module Design




What to Look for in a Wear-Resistant Gravel Slurry Pump
When selecting a gravel slurry pump, wear resistance is one of the most important factors to consider—especially for industries like mining, dredging, and sand extraction. A high-quality gravel slurry pump made in china from a trusted manufacturer such as Aier Machinery Hebei Co., Ltd. is designed to handle highly abrasive materials while maintaining reliable performance and long service life.
The first thing to look for is material quality. The pump’s impeller, casing, and liners should be made from high chrome white iron or duplex stainless steel to ensure superior wear and corrosion resistance. These materials prevent premature damage caused by the constant impact and friction of sand, gravel, and slurry. As one of the leading china gravel slurry pump suppliers, Aier Machinery focuses on the development of advanced abrasion-resistant materials, ensuring that every pump can withstand extreme working conditions.
The hydraulic design is another key factor. A well-designed gravel slurry pump uses CFD and CAD technology to optimize the internal flow passage, minimize turbulence, and improve efficiency. The larger impeller passage allows the pump to handle coarse particles without clogging, which is essential for dredging and mineral processing.
In addition, the ease of maintenance and spare part availability should not be overlooked. Pumps with a simple structure and replaceable wear parts can significantly reduce downtime and operating costs. Aier Machinery offers customized solutions, quick delivery of spare parts, and technical support to ensure consistent pump performance.
Lastly, consider the manufacturer’s reputation. Choosing pumps from experienced china gravel slurry pump suppliers guarantees not only product quality but also reliable after-sales service. With exports to over 30 countries, Aier Machinery’s gravel slurry pump made in china has earned global recognition for durability and efficiency.
Key Considerations for Choosing a Gravel Pump Manufacturer
Selecting the right gravel slurry pump manufacturer can make a significant difference in the success and efficiency of your project. Whether you need pumps for mining, dredging, or construction applications, choosing from reputable china gravel slurry pump suppliers ensures both performance and reliability.
The first consideration should be technical capability. Aier Machinery Hebei Co., Ltd. stands out as a professional manufacturer integrating research, design, production, and testing. The company uses advanced CFD and CAD technology to design efficient gravel slurry pump systems with optimized hydraulic performance. Every gravel slurry pump made in china undergoes strict quality inspection to meet international standards.
Second, evaluate the manufacturer’s experience in material science. Aier Machinery has strong expertise in developing wear-resistant materials such as high chrome alloy, stainless steel, and rubber lining. These materials extend the lifespan of pumps and improve performance in abrasive applications. Experienced china gravel slurry pump suppliers can recommend the right material combinations based on your slurry composition and operating environment.
Another essential factor is customization and flexibility. Different industries require different pump designs, capacities, and discharge sizes. A manufacturer with in-house casting, machining, and testing facilities—like Aier Machinery—can customize each gravel slurry pump to fit your project needs.
Lastly, consider global service and reliability. A manufacturer’s ability to provide timely technical support, spare parts, and after-sales service is vital. Aier Machinery’s pumps are exported worldwide, earning a reputation for reliability among customers in mining, power generation, and dredging industries. Choosing a gravel slurry pump made in china from an established supplier ensures long-term value and dependable operation.
Gravel Pumps Built to Conquer Tough Conditions
The gravel slurry pump is a powerful piece of equipment designed to handle the world’s toughest materials—sand, stones, and slurries loaded with solid particles. Aier Machinery Hebei Co., Ltd., one of the leading china gravel slurry pump suppliers, specializes in manufacturing high-performance pumps that excel under the most demanding conditions.
What makes a gravel slurry pump made in china from Aier Machinery so effective is its robust design and superior material selection. Each pump is constructed from high chrome white iron or duplex stainless steel to resist extreme abrasion and corrosion. This ensures long operational life even when dealing with highly abrasive slurries in mining, dredging, and construction environments.
Engineered using advanced CFD and CAD methods, the internal flow channels of the gravel slurry pump are optimized for smooth slurry transport with minimal energy loss. The impeller’s wide passages allow the handling of large particles without clogging, while the heavy-duty bearing assembly guarantees stable operation under high loads.
These pumps are built not only for performance but also for maintenance convenience. The modular structure allows easy disassembly and replacement of worn parts, reducing downtime. As one of the most trusted china gravel slurry pump suppliers, Aier Machinery also provides technical support, spare parts, and full customization based on application needs.
Whether it’s river dredging, sand reclamation, or tailings handling, Aier’s gravel slurry pump made in china delivers reliable performance where other pumps fail. Built to conquer harsh conditions and deliver continuous operation, these pumps represent the perfect combination of engineering innovation and durable craftsmanship—making them a preferred choice for global customers seeking quality and endurance.















