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ProductsThe company boasts robust manufacturing capabilities, with an annual production capacity of up to 8,500 slurry pumps (sets), fully capable of meeting the market’s demand for both large-scale and customized products.
ZJ Series Slurry Pumps – Test Products
The DZM series horizontal slurry pumps feature a dual-metal construction, with both the pump casing and pump cover equipped with replaceable liners. These liners are made from high-chromium wear-resistant alloys, stainless steel, silicon carbide ceramics, and other materials, and can be used continuously until they are completely worn through.
- Product Description
- Performance Range
- Application Fields
- Product Features
- Material Selection
- Performance Parameter Table
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Material GradeMechanical PropertiesSpecial PerformanceApplication ExamplesHardness HRCImpact toughness ak/J·cm²GLH-158-62≥6Its resistance to scouring is second only to GLH-4, and it also exhibits a certain degree of corrosion resistance.Abrasive wear under general impact loadingGLH-250-55≥7The erosion resistance is approximately 0.9 times that of GLH-1.For mud pumps and grout pumpsGLH-348-52≥10Good erosion resistance and relatively high hardness.Suitable for dredger pumps, resistant to impact from large particles.GLH-460-65≥6Best resistance to scouringAbrasive wear under relatively high impact loadsGLH-538-45≥2Corrosion resistance in environments with mild scouring and low pH.Suitable for corrosive environments with low pH, particularly for flue gas desulfurization.GLH-632-38≥2Corrosion resistance under conditions of mild erosion and extremely low pH.Suitable for media such as sulfuric acid, phosphoric acid, and nitric acid.DLH-125-35≥4It exhibits resistance to mild erosion, has relatively low hardness, and can be drilled and tapped.Suitable for applications involving trace amounts of fine particles and mild abrasive wear conditions.
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1. In mining and mineral processing applications, the heavy-duty, through-bolted design eliminates the need for complex disassembly during equipment maintenance, significantly reducing downtime, enabling efficient slurry transfer, and ensuring stable production capacity.2. In the metallurgical industry, under high-temperature and heavy-load operating conditions, ductile iron fully lined pump casings are robust and durable, effectively resisting impact and abrasive wear from mineral slurries and molten slag, resulting in a long service life and significant reduction in equipment replacement costs.3. In desulfurization systems for the power industry, low-speed, large-diameter, high-efficiency impellers not only extend their service life by reducing wear but also lower energy consumption, thereby helping power plants achieve the dual objectives of energy conservation and operational stability.4. In chemical production, when conveying media containing impurities and corrosive substances, wide, open internal channels can reduce flow velocity, minimize erosive wear, extend equipment service life, and lower operating costs.5. In highly corrosive applications such as phosphate fertilizer production and acid–alkali conveyance, thick-walled alloy or rubber-lined components offer superior corrosion resistance; the liners are easily replaceable and interchangeable, significantly reducing maintenance costs and wear-related losses.6. During dredging and desilting operations, the design of the short shaft or impeller overhang minimizes shaft misalignment, extends the service life of the packing, and reduces downtime losses caused by frequent replacement.7. In blast furnace slagging and iron oxide scale conveying applications at steel plants, sleeve-type bearing assemblies enable on-line maintenance without the need to disassemble the pump housing, ensuring stable operation and extending bearing life.8. In coal slurry transportation within the coal washing industry, grease-lubricated bearing assemblies can be optionally configured, enabling convenient maintenance, significantly reducing downtime, and meeting the industry’s demand for continuous production.9. In the treatment of environmentally sensitive wastewater and chemical waste liquids, a full-flush water-type shaft seal combined with a low-flow centrifugal seal reduces flush water consumption while balancing environmental protection with cost-effectiveness.10. In precision chemical and food-processing conveying applications, a mechanical seal can be optionally installed to reduce rinse water consumption, achieve zero leakage at the shaft seal, and ensure safe and clean production.11. In mine tailings transportation, a multi-layer wear-resistant design provides all-round protection against abrasion from high-concentration tailings, reducing equipment downtime due to failures and enabling efficient tailings conveyance.12. During the conveyance of dyeing and printing wastewater, a thick rubber lining provides resistance to mild acidic corrosion, while an open-channel design prevents fiber blockage, thereby reducing operation and maintenance costs as well as downtime.13. In the hydraulic ash removal system of thermal power plants, the synergistic effect of low-speed impellers and alloy linings extends wear life, thereby supporting energy conservation and clean production at power plants.14. During tunnel shield construction, open-type access tunnels can prevent blockage by accommodating larger mud clumps, while a convenient maintenance design reduces downtime and ensures smooth project progress.15. In non-metallic mineral processing, flexible alloy or rubber linings can be employed to achieve a balance of corrosion and wear resistance with ease of maintenance, thereby reducing equipment failures and lowering costs.16. In the chlor-alkali industry, when conveying hydrochloric acid and liquid caustic soda, a robust corrosion-resistant lining is employed, and a mechanical seal can be optionally installed to achieve zero leakage, thereby ensuring continuous and stable production.17. In industries such as mining, metallurgy, power generation, and chemical processing, this pump series delivers multiple advantages that make it ideally suited for demanding operating conditions, reducing costs and improving efficiency—making it a reliable choice for solid–liquid conveying.
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1. The heavy-duty, through-bolt design facilitates maintenance and reduces downtime.
2. The ductile iron fully lined pump casing features durability, robustness, safety, and a long service life.
3. High-efficiency impellers with low rotational speed and large diameter deliver maximum wear life and lower operating costs.
4. The wide, open internal passage reduces internal flow velocity, thereby maximizing wear life and lowering operating costs.
5. The robust alloy or rubber lining delivers outstanding corrosion resistance, while the convenient liner replacement and interchangeability reduce maintenance costs and maximize service life.6. The shortest shaft or impeller overhang reduces shaft misalignment and extends the service life of the packing.
7. The sleeve-type bearing assembly can be maintained without disassembling the pump, ensuring stable operation and extending bearing life.
8. The selection of grease-lubricated bearing assemblies facilitates maintenance and reduces downtime.9. Full-flow water-lubricated shaft seals and low-flow or dry-running centrifugal seals reduce the consumption of flushing water and lower operating costs.
10. A mechanical seal is available as an optional feature, which reduces flush water consumption while ensuring zero leakage at the shaft seal. -
Material GradeMechanical PropertiesSpecial PerformanceApplication ExamplesHardness HRCImpact toughness ak/J·cm²GLH-158-62≥6Its resistance to scouring is second only to GLH-4, and it also exhibits a certain degree of corrosion resistance.Abrasive wear under general impact loadingGLH-250-55≥7The erosion resistance is approximately 0.9 times that of GLH-1.For mud pumps and grout pumpsGLH-348-52≥10Good erosion resistance and relatively high hardness.Suitable for dredger pumps, resistant to impact from large particles.GLH-460-65≥6Best resistance to scouringAbrasive wear under relatively high impact loadsGLH-538-45≥2Corrosion resistance in environments with mild scouring and low pH.Suitable for corrosive environments with low pH, particularly for flue gas desulfurization.GLH-632-38≥2Corrosion resistance under conditions of mild erosion and extremely low pH.Suitable for media such as sulfuric acid, phosphoric acid, and nitric acid.DLH-125-35≥4It exhibits resistance to mild erosion, has relatively low hardness, and can be drilled and tapped.Suitable for applications involving trace amounts of fine particles and mild abrasive wear conditions.
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ModelPermitted maximum power (kW)Performance ParametersMaximum particle size of intermittent passage (mm)Pump head weight (kg)RemarksFlow rate Q (m³/h)Head H (m)Rotational speed n (r/min)Maximum Efficiency (%)NPSH (m)350ZJ-I-C1007101370-350230-60495-59573.05.11505710More parameters350ZJ-I-C956301280-329625-53495-59570.04.81505580More parameters350ZJ-I-F100560860-233938-63495-59576.94.4965470More parameters350ZJ-I-F95500808-220534-56495-59574.04.2965360More parameters350ZJ-I-A857101514-374127-62595-74077.26.6714800More parameters350ZJ-I-A805601236-357518-56595-74075.76.6704100More parameters350ZJ-I-A775001192-332816-51595-74073.76.2704000More parameters300ZJ-I-C90450992-239329-51495-59579.72.51505060More parameters300ZJ-I-C86355945-223027-46495-59577.22.41504950More parameters300ZJ-I-A100450358-182641-65495-59580.73.0884580More parameters300ZJ-I-A95400720-173537-59495-59577.72.9884480More parameters300ZJ-I-A90560745-184446-80595-74081.43.9854656More parameters300ZJ-I-A85500704-174241-71595-74078.43.8854525More parameters300ZJ-I-A70630945-233336-77740-99080.43.9923274More parameters300ZJ-I-A65560877-216631-66740-99077.43.7923245More parameters300ZJ-I-A56250588-116822-46740-99080.93.5962340More parameters300ZJ-I-A53250560-147219-40740-99078.93.3962310More parameters250ZJ-I-C80500891-223529-60595-74075.13.31204832More parameters250ZJ-I-C77450850-214027-55595-74073.13.21204810More parameters250ZJ-I-C74400820-201024-50595-74071.13.01204790More parameters250ZJ-I-A103710593-157365-111595-74574.52.8695230More parameters250ZJ-I-A100630574-151960-103595-74572.52.7695170More parameters250ZJ-I-A97560546-145656-96595-74070.52.5695110More parameters250ZJ-I-A96560595-146655-94595-74077.83.5694200More parameters
——PERFORMANCE RANGE
Performance Range
★ Specializing in industrial pumps, with stringent management and strong capabilities.
In response to market demand, the company has successively developed a series of products, including slurry pumps and desulfurization pumps.
Material Grade | Mechanical Properties | Special Performance | Application Examples | |
Hardness HRC | Impact toughness ak/J·cm² | |||
GLH-1 | 58-62 | ≥6 | Its resistance to scouring is second only to GLH-4, and it also exhibits a certain degree of corrosion resistance. | Abrasive wear under general impact loading |
GLH-2 | 50-55 | ≥7 | The erosion resistance is approximately 0.9 times that of GLH-1. | For mud pumps and grout pumps |
GLH-3 | 48-52 | ≥10 | Good erosion resistance and relatively high hardness. | Suitable for dredger pumps, resistant to impact from large particles. |
GLH-4 | 60-65 | ≥6 | Best resistance to scouring | Abrasive wear under relatively high impact loads |
GLH-5 | 38-45 | ≥2 | Corrosion resistance in environments with mild scouring and low pH. | Suitable for corrosive environments with low pH, particularly for flue gas desulfurization. |
GLH-6 | 32-38 | ≥2 | Corrosion resistance under conditions of mild erosion and extremely low pH. | Suitable for media such as sulfuric acid, phosphoric acid, and nitric acid. |
DLH-1 | 25-35 | ≥4 | It exhibits resistance to mild erosion, has relatively low hardness, and can be drilled and tapped. | Suitable for applications involving trace amounts of fine particles and mild abrasive wear conditions. |
——INDUSTRY APPLICATIONS
Industry Applications
★ Specializing in industrial pumps, with stringent management and strong capabilities.
In response to market demand, the company has successively developed a series of products, including slurry pumps and desulfurization pumps.
1. In mining and mineral processing applications, the heavy-duty, through-bolted design eliminates the need for complex disassembly during equipment maintenance, significantly reducing downtime, enabling efficient slurry transfer, and ensuring stable production capacity.
2. In the metallurgical industry, under high-temperature and heavy-load operating conditions, ductile iron fully lined pump casings are robust and durable, effectively resisting impact and abrasive wear from mineral slurries and molten slag, resulting in a long service life and significant reduction in equipment replacement costs.
3. In desulfurization systems for the power industry, low-speed, large-diameter, high-efficiency impellers not only extend their service life by reducing wear but also lower energy consumption, thereby helping power plants achieve the dual objectives of energy conservation and operational stability.
4. In chemical production, when conveying media containing impurities and corrosive substances, wide, open internal channels can reduce flow velocity, minimize erosive wear, extend equipment service life, and lower operating costs.
5. In highly corrosive applications such as phosphate fertilizer production and acid–alkali conveyance, thick-walled alloy or rubber-lined components offer superior corrosion resistance; the liners are easily replaceable and interchangeable, significantly reducing maintenance costs and wear-related losses.
6. During dredging and desilting operations, the design of the short shaft or impeller overhang minimizes shaft misalignment, extends the service life of the packing, and reduces downtime losses caused by frequent replacement.
7. In blast furnace slagging and iron oxide scale conveying applications at steel plants, sleeve-type bearing assemblies enable on-line maintenance without the need to disassemble the pump housing, ensuring stable operation and extending bearing life.
8. In coal slurry transportation within the coal washing industry, grease-lubricated bearing assemblies can be optionally configured, enabling convenient maintenance, significantly reducing downtime, and meeting the industry’s demand for continuous production.
9. In the treatment of environmentally sensitive wastewater and chemical waste liquids, a full-flush water-type shaft seal combined with a low-flow centrifugal seal reduces flush water consumption while balancing environmental protection with cost-effectiveness.
10. In precision chemical and food-processing conveying applications, a mechanical seal can be optionally installed to reduce rinse water consumption, achieve zero leakage at the shaft seal, and ensure safe and clean production.
11. In mine tailings transportation, a multi-layer wear-resistant design provides all-round protection against abrasion from high-concentration tailings, reducing equipment downtime due to failures and enabling efficient tailings conveyance.
12. During the conveyance of dyeing and printing wastewater, a thick rubber lining provides resistance to mild acidic corrosion, while an open-channel design prevents fiber blockage, thereby reducing operation and maintenance costs as well as downtime.
13. In the hydraulic ash removal system of thermal power plants, the synergistic effect of low-speed impellers and alloy linings extends wear life, thereby supporting energy conservation and clean production at power plants.
14. During tunnel shield construction, open-type access tunnels can prevent blockage by accommodating larger mud clumps, while a convenient maintenance design reduces downtime and ensures smooth project progress.
15. In non-metallic mineral processing, flexible alloy or rubber linings can be employed to achieve a balance of corrosion and wear resistance with ease of maintenance, thereby reducing equipment failures and lowering costs.
16. In the chlor-alkali industry, when conveying hydrochloric acid and liquid caustic soda, a robust corrosion-resistant lining is employed, and a mechanical seal can be optionally installed to achieve zero leakage, thereby ensuring continuous and stable production.
17. In industries such as mining, metallurgy, power generation, and chemical processing, this pump series delivers multiple advantages that make it ideally suited for demanding operating conditions, reducing costs and improving efficiency—making it a reliable choice for solid–liquid conveying.
——PRODUCT FEATURES
Product Features
★ Specializing in industrial pumps, with stringent management and strong capabilities.
In response to market demand, the company has successively developed a series of products, including slurry pumps and desulfurization pumps.
1. The heavy-duty, through-bolt design facilitates maintenance and reduces downtime.
2. The ductile iron fully lined pump casing features durability, robustness, safety, and a long service life.
3. High-efficiency impellers with low rotational speed and large diameter deliver maximum wear life and lower operating costs.
4. The wide, open internal passage reduces internal flow velocity, thereby maximizing wear life and lowering operating costs.
5. The robust alloy or rubber lining delivers outstanding corrosion resistance, while the convenient liner replacement and interchangeability reduce maintenance costs and maximize service life.
6. The shortest shaft or impeller overhang reduces shaft misalignment and extends the service life of the packing.
7. The sleeve-type bearing assembly can be maintained without disassembling the pump, ensuring stable operation and extending bearing life.
8. The selection of grease-lubricated bearing assemblies facilitates maintenance and reduces downtime.
9. Full-flow water-lubricated shaft seals and low-flow or dry-running centrifugal seals reduce the consumption of flushing water and lower operating costs.
10. A mechanical seal is available as an optional feature, which reduces flush water consumption while ensuring zero leakage at the shaft seal.
——MATERIAL SELECTION
Material Selection
★ Specializing in industrial pumps, with stringent management and strong capabilities.
In response to market demand, the company has successively developed a series of products, including slurry pumps and desulfurization pumps.
Material Grade | Mechanical Properties | Special Performance | Application Examples | |
Hardness HRC | Impact toughness ak/J·cm² | |||
GLH-1 | 58-62 | ≥6 | Its resistance to scouring is second only to GLH-4, and it also exhibits a certain degree of corrosion resistance. | Abrasive wear under general impact loading |
GLH-2 | 50-55 | ≥7 | The erosion resistance is approximately 0.9 times that of GLH-1. | For mud pumps and grout pumps |
GLH-3 | 48-52 | ≥10 | Good erosion resistance and relatively high hardness. | Suitable for dredger pumps, resistant to impact from large particles. |
GLH-4 | 60-65 | ≥6 | Best resistance to scouring | Abrasive wear under relatively high impact loads |
GLH-5 | 38-45 | ≥2 | Corrosion resistance in environments with mild scouring and low pH. | Suitable for corrosive environments with low pH, particularly for flue gas desulfurization. |
GLH-6 | 32-38 | ≥2 | Corrosion resistance under conditions of mild erosion and extremely low pH. | Suitable for media such as sulfuric acid, phosphoric acid, and nitric acid. |
DLH-1 | 25-35 | ≥4 | It exhibits resistance to mild erosion, has relatively low hardness, and can be drilled and tapped. | Suitable for applications involving trace amounts of fine particles and mild abrasive wear conditions. |
——Performance parameters
Performance Parameter Table
★ Specializing in industrial pumps, with stringent management and strong capabilities.
In response to market demand, the company has successively developed a series of products, including slurry pumps and desulfurization pumps.
Model | Permitted maximum power (kW) | Performance Parameters | Maximum particle size of intermittent passage (mm) | Pump head weight (kg) | Remarks | ||||
Flow rate Q (m³/h) | Head H (m) | Rotational speed n (r/min) | Maximum Efficiency (%) | NPSH (m) | |||||
350ZJ-I-C100 | 710 | 1370-3502 | 30-60 | 495-595 | 73.0 | 5.1 | 150 | 5710 | More parameters |
350ZJ-I-C95 | 630 | 1280-3296 | 25-53 | 495-595 | 70.0 | 4.8 | 150 | 5580 | More parameters |
350ZJ-I-F100 | 560 | 860-2339 | 38-63 | 495-595 | 76.9 | 4.4 | 96 | 5470 | More parameters |
350ZJ-I-F95 | 500 | 808-2205 | 34-56 | 495-595 | 74.0 | 4.2 | 96 | 5360 | More parameters |
350ZJ-I-A85 | 710 | 1514-3741 | 27-62 | 595-740 | 77.2 | 6.6 | 71 | 4800 | More parameters |
350ZJ-I-A80 | 560 | 1236-3575 | 18-56 | 595-740 | 75.7 | 6.6 | 70 | 4100 | More parameters |
350ZJ-I-A77 | 500 | 1192-3328 | 16-51 | 595-740 | 73.7 | 6.2 | 70 | 4000 | More parameters |
300ZJ-I-C90 | 450 | 992-2393 | 29-51 | 495-595 | 79.7 | 2.5 | 150 | 5060 | More parameters |
300ZJ-I-C86 | 355 | 945-2230 | 27-46 | 495-595 | 77.2 | 2.4 | 150 | 4950 | More parameters |
300ZJ-I-A100 | 450 | 358-1826 | 41-65 | 495-595 | 80.7 | 3.0 | 88 | 4580 | More parameters |
300ZJ-I-A95 | 400 | 720-1735 | 37-59 | 495-595 | 77.7 | 2.9 | 88 | 4480 | More parameters |
300ZJ-I-A90 | 560 | 745-1844 | 46-80 | 595-740 | 81.4 | 3.9 | 85 | 4656 | More parameters |
300ZJ-I-A85 | 500 | 704-1742 | 41-71 | 595-740 | 78.4 | 3.8 | 85 | 4525 | More parameters |
300ZJ-I-A70 | 630 | 945-2333 | 36-77 | 740-990 | 80.4 | 3.9 | 92 | 3274 | More parameters |
300ZJ-I-A65 | 560 | 877-2166 | 31-66 | 740-990 | 77.4 | 3.7 | 92 | 3245 | More parameters |
300ZJ-I-A56 | 250 | 588-1168 | 22-46 | 740-990 | 80.9 | 3.5 | 96 | 2340 | More parameters |
300ZJ-I-A53 | 250 | 560-1472 | 19-40 | 740-990 | 78.9 | 3.3 | 96 | 2310 | More parameters |
250ZJ-I-C80 | 500 | 891-2235 | 29-60 | 595-740 | 75.1 | 3.3 | 120 | 4832 | More parameters |
250ZJ-I-C77 | 450 | 850-2140 | 27-55 | 595-740 | 73.1 | 3.2 | 120 | 4810 | More parameters |
250ZJ-I-C74 | 400 | 820-2010 | 24-50 | 595-740 | 71.1 | 3.0 | 120 | 4790 | More parameters |
250ZJ-I-A103 | 710 | 593-1573 | 65-111 | 595-745 | 74.5 | 2.8 | 69 | 5230 | More parameters |
250ZJ-I-A100 | 630 | 574-1519 | 60-103 | 595-745 | 72.5 | 2.7 | 69 | 5170 | More parameters |
250ZJ-I-A97 | 560 | 546-1456 | 56-96 | 595-740 | 70.5 | 2.5 | 69 | 5110 | More parameters |
250ZJ-I-A96 | 560 | 595-1466 | 55-94 | 595-740 | 77.8 | 3.5 | 69 | 4200 | More parameters |
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Contact Information
Equipment Manufacturing Industrial Park, Luancheng District, Shijiazhuang City, Hebei Province
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