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14 / 12 FF - LR Corrosion Resisting Sludge Slurry Pump for Metallurgical Mineral
What advantage of L(R) slurry pump?




L(R) slurry pump selection chart
( Note: Approximate performance for clear water,to be used for primary selection only.)

Pump performance parameters
Type | Max. Power Kw | Clear Water Performance | Impeller | Application
| |||||
Capacity m³/hr | Head/m | Speed/rpm | Efficiency % | NPSH m | Nos of Vane | Diameter mm | |||
20 A-LR | 7.5 | 2.16-9 | 7-32 | 1600-3000 | 30 |
| 3 | 152.4 | -Ni acid slurry |
50 B-LR | 15 | 12.6-60 | 6-38 | 1200-2600 | 48 |
| 3 | 190 | -Coarse sand |
75 C-LR | 30 | 22-144 | 9-43 | 1000-2200 | 60 | 3-5 | 4 | 229 | -Heavy media |
100 D-LR | 60 | 61-252 | 17-70 | 800-1600 | 65 | 2-5 | 6 | 305 | -Bottom/fly ash |
150 E-LR | 120 | 137-486 | 12-51.5 | 800-1300 | 65 | 2.5-5.5 | 5 | 381 | -Oil sands |
200 E-LR | 120 | 216-990 | 9.5-40 | 500-1100 | 74 |
| 5 | 457 | -Mineral sands |
250 F-LR | 260 | 324-1314 | 8-30 | 500-800 | 70 | 5-10 | 5 | 550 | -Fine tailings |
300 S-LR | 560 | 432-1900 | 7-41 | 400-800 | 81 | 3-8 | 5 | 653 | -Phosphoric acid |
350 S-LR | 560 | 720-2844 | 10-41 | 400-700 | 86 | 3-7 | 5 | 736 | -Coal |
400 ST-LR | 560 | 756-3312 | 7-37.5 | 300-600 | 85 | 2-8 | 5 | 825 | -Ball mill discharge |
450 ST-LR | 560 | 1080-4356 | 9-40 | 300-550 | 87 | 3-10 | 5 | 933 | -Coarse tailings |
650 U-LR | 2000 | 2520-9108 | 10-39 | 200-350 | 86 | 2-8 | 5 | 1370 | -Phosphate matrix |
750 UV-LR | 2000 | 3240-13860 | 8-41 | 150-300 | 86 | 2-8 | 5 | 1643 | -Minerals concentrate |
1. Slurry pump construction drawing


2. Main part number at the drawing
| 032: Frame Plate 060: Intake Joint 132: Discharge Joint 083: Throatbush 110: Volute Liner 147: Impeller | 122: Stuffing Box Seal 036: Frame Plate Liner 013: Cover Plate 018: Cover Plate Liner 124: Volute Liner Seal 041: Frame Plate Liner Insert |
3. Materials of construction
| LINERS | IMPELLERS | CASING | BASE | EXPELLER | EXPELLER RING | SHAFT SLEEVE | SEALS | |
| Standard | Chrome Alloy Natural Rubber | Chrome Alloy Natural Rubber | SG Iron | SG Iron | Chrome Alloy or SG Iron | Chrome Alloy or SG Iron | SG Iron | Rubber and Nitrile |
| Options | Acid Resist™Neoprene Butyl Nitrile Hypalon | Acid Resist™Neoprene Butyl Nitrile Hypalon | N/A | MS Fabricated | Acid Resist™ | Acid Resist™ | Acid Resist™ | Neoprene Viton |
1. Outside package: standard export wooden cases.
2. Inner package: Stretch film.
Naipu pump produce many kinds of centrifugal slurry pump for mining, sand and other solids slurry transporting.

What service of Shijiazhuang Naipu?
| OEM service | Produce the pump and spare parts according to client's drawing or sample. |
| Pump slection | Help customers select the type, size and operating speed of pumps that will perform at the lowest cost. |
| Using service | Offer Design, Installation, Repair and Maintenance solutions and Mine measuring up service. |
| Quality control | Pay more attention to the quality in every process with different instruments. |
| Material service | Interchangeable metal design allow best material choice for any application. |
| After-sales service | Provide lifetime after sale service to solve any question during uses and large stock for standard spare parts. |
| Guarantee | One year guarantee for whole machine except of the wet end parts. |
CE, SGS, ISO9001 Certification
Shijiazhuang Naipu Pump Co., Ltd is a professional manufacturing enterprise of slurry pumps. We have about 30 years experiences and export to worldwide countries. Our technical team consists of talents specialized in hydraulic machinery, casting, heat treatment, engineering, material science and machining. We proudly manufacture quality pumps whose parts are 100% reverse interchangeable with major brands. This means no more inventory hassles when you decide to use another pump supplier.



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