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Naipu® NP-SP(R)
pumps are vertical, centrifugal slurry pumps submerged in sump to work.They are designed for delivering abrasive, large particle and high density slurries. These pumps have no need of any shaft seal and sealing water. They can also be operated normally for insufficient suction duties. Wet parts of type NP-SP pump are made of abrasion-resistant metal. All parts of type NP-SP(R) pump immersed in liquid are lined with rubber outer liner. They are suited to transport non-edge angle abrasive slurry.
Function
1. The impeller selection of wear-resistant metal or rubber material.
2. PV-SP(R) type sump pump parts, immersed in liquid rubber lining.
3. Different length of the pump drive shaft or inhaled could be selected
4. V-belt drive, direct drive, and flexible coupling. Bearing to lubricate oils.
5. Use of variable-speed, the best condition in the pump operation, long service life, run-effective, meet many bad transportation conditions.
6. high-hardness, strong-corrosion and high-concentration liquids that contain suspended solid particles, such as finished ores, refuse ores, ashes, cinders, cements, mud, mineral stones and etc.
Size Range and Performance Parameters
Discharge Diameters - 40 to 150 mm (2" to 6")
Flows - to 450 m3/h
Total Head up to 36 m
Type | Allowable Max. Power (Kw) | Range Of Performance | Impeller | |||||
Capacity | Head m | Speed rpm | Max Efficiency % | No. of Vanes | Diameter mm | |||
m³/hr | L/S | |||||||
40PV-SP | 15 | 19.44-43.2 | 5.4-12 | 4.5-28.5 | 1000-2200 | 40 | 5 | 188 |
65QV-SP | 30 | 23.4-111 | 6.5-30.8 | 5-29.5 | 700-1500 | 50 | 5 | 280 |
100RV-SP | 75 | 54-289 | 15-80.3 | 5-35 | 500-1200 | 56 | 5 | 370 |
150SV-SP | 110 | 108-479.16 | 30-133.1 | 8.5-40 | 500-1000 | 52 | 5 | 450 |
200SV-SP | 110 | 189-891 | 152.5-247.5 | 6.5-37 | 400-850 | 64 | 5 | 520 |
250TV-SP | 200 | 261-1089 | 72.5-302.5 | 7.5-33.5 | 400-750 | 60 | 5 | 575 |
300TV-SP | 200 | 288-1267 | 80-352 | 6.5-33 | 350-700 | 50 | 5 | 610 |
| 40PV-SPR | 15 | 17.28-39.6 | 4.8-11 | 4-26 | 1000-2200 | 40 | 5 | 188 |
| 65QV-SPR | 30 | 22.5-105 | 6.25-29.15 | 5.5-30.5 | 700-1500 | 51 | 5 | 280 |
| 100RV-SPR | 75 | 64.8-285 | 18-79.2 | 7.5-36 | 600-1200 | 62 | 5 | 370 |
Construction drawing

Main Part Number At The Drawing
| 1.Discharge Pipe 2.Column 3.Strainer 4.Back Liner | 5.Impeller 6.Pump Casing 7.Lower Pipe |
Materials of Construction
| IMPELLERS | CASING | COLUMN | DISCHARGE | SEALS | |
| Standard | High Chrome Alloy Rubber | High Chrome Alloy Rubber | Mild Steel Mild Steel Rubber Lined | Mild Steel Mild Steel Rubber Lined | Natural Rubber Rubber |
| Options | Butyl EPDM Hypalon Polyurethane 316 SS W 151 | Neoprene Butyl EPDM Hypalon Nitrile 316 SS W 151 | Neoprene Butyl Nitrile 316 SS | Neoprene Butyl Nitrile 316 SS | Nordel Neoprene Viton Hypalon Butyl EPDM |
Manufacturing Process

Pump showing


Spare parts
Code | 40 PV-SP(R) | 65 QV-SP(R) | 100 RV-SP(R) | 150 SV-SP(R) | 200 SV-SP(R) |
004 | PV 004 | QV 004-1 | RV 004-1 | SV 004-1 | SV 004-1 |
008 | PV 008 | QV 008 | QV 008 | SV 008 | SV 008 |
019 | PV 4019 PVR 4019 | QVR 65019 | QV 10019-1 RVR 10019 | SV 15019-1 SVR 15019-1 | SV 20019 |
024 | PV 024 | QV 024 | RV 024 | SV 024 | SV 024 |
024L | PV 024 L | QV 024 L-1 | RV 024 L-1 | SV 024 L-1 | SV 024 L-1 |
025 | PV 025 | QV 025 | RV 025 | SV 025 |
|
041 | SP 4041 SPR 4041 | SP 65041 SPR 65041 | SP 10041 SPR 10041 | SP 15041 | SP 20041 |
060 | SP 4060 | SP 65060 | SP 10060 E 4060 | SP 15060 |
|
062 | PV 062 | QV 062 | RV 062 | SV 062 | SV 062 |
064 | PV 064 |
| RV 064 E 064 | F 064 |
|
073 | PV 4073 E PV 4073 G | QV 65073 E QV 65073 G QV 65073 J | RV 10073 G RV 10073 J RV 10073 L RV 10073 M RV 10073 Q | SV 15073 J SV 15073 L SV 15073 N | SV 15073 J SV 15073 L SV 15073 N |
| PVR 4073 E PVR 4073 G PVR 4073 J | QVR 65073 E QVR 65073 J QVR 65073 L | RVR 10073 G RVR 10073 J RVR 10073 L | SVR 15073 J SVR 15073 L SVR 15073 N |
|
077 | PV 077 | QV 077 | RV 077 | SV 077 | SV 077 |
089 | PV 089 | QV 089 | RV 089 | SV 089 |
|
092 | SP 4092 SPR 4092 | SP 65092 SPR 65092 | SP 10092 SPR 10092 | SP 15092 | SP 20092 |
102 | PV 4102 E PV 4102 G | QV 65102 E QV 65102 G QV 65102 J | RV 10102 G RV 10102 J RV 10102 M RV 10102 Q | SV 15102 J SV 15102 L SV 15102 N | SV 20102 |
| PVR 4102 E PVR 4102 G
PVR 4102 J
PVR 4102 L
| QVR 65102 E QVR 65102 G QVR 65102 J | RVR 10102 G RVR 10102 J RVR 10102 L | SVR 15102 J SVR 15102 L SVR 15102 N |
|
108 | C 108 | D 108 | D 108 R 108 | S 108 |
|
109 |
| BSC 109 |
|
|
|
116 | SP 4116 | SP 65116-1 | SP 10116-1 | SP 15116-1 | SP 15116 L |
| SP 4116 L | SP 65116 L | SP 10116 L | SP 15116 L |
|
| SPR 4116 L | SPR 65116 |
| SPR 15116 L |
|
|
| SPR 65116 L | SPR 10116 L |
|
|
124 |
|
| E 4124 | F 8124 |
|
125 | SP 4125 | D 3125 | D 3125 | DH 2125 |
|
132 |
|
| E 4132 XLP |
|
|
153 | SPR 4153 | SPR 65153 |
|
|
|
154 | PV 4154 E | QV 65154 E | RV 10154 G | SV 15154 J | SV 20154 J |
| PV 4154 G | QV 65154 G | RV 10154 J | SV 15154 L | SV 20154 L |
|
| QV 65154 J | RV 10154 L | SV 15154 N | SV 20154 N |
|
|
| RV 10154 M |
|
|
|
|
| RV 10154 Q |
|
|
| PVR 4154 E | QVR 65154 E | PVR 10154 G | SVR 15154 J |
|
| PVR 4154 G | QVR 65154 G | PVR 10154 J | SVR 15154 L |
|
| PVR 4154 J | QVR 65154 J | PVR 10154 L | SVR 15154 N |
|
| PVR 4154 L |
|
|
|
|
184 | PV 184 | QV 184-1 | RV 184-1 | SV 184-1 |
|
| PVR 184 | QVR 184 | RVR 184 | SVR 184 |
|
204 | SP 4204 | SP 65204 | SP 10204 | SP 15204 SP 20204 | SP 20204 |
206 | SP 4206 | SP 65206-1 | SP 10206 | SP 15206 A | SP 20206 |
| SPR 4206 | SPR 65206 A | SPR 10206 A |
|
|
217 | PV 217 | QV 217 | RV 217 | SV 217 |
|
221 | SP 4221 | SP 65221 |
| SP 15221 |
|
290 | PV 290 | QV 290 | RV 290 | SV 290 |
|
315 | PV 315 | QV 315 | QV 315 | SV 315 |
|
322 | SP 4322 A SP 4322 C SP 4322 E SP 4322 G SP 4322 J SP 4322 L | SP 65322 A SP 65322 C SP 65322 E SP 65322 G SP 65322 J SP 65322 L | SP 10322 A SP 10322 C SP 10322 E SP 10322 G SP 10322 J SP 10322 L | SP 15322 A SP 15322 C SP 15322 E SP 15322 G SP 15322 J SP 15322 L |
|
| SPR 4322 A SPR 4322 C SPR 4322 E SPR 4322 G SPR 4322 J SPR 4322 L | SPR 65322 A SPR 65322 C SPR 65322 E SPR 65322 G SPR 65322 J SPR 65322 L | SPR 10322 A SPR 10322 C SPR 10322 E SPR 10322 G SPR 10322 J SPR 10322 L | SPR 15322 A SPR 15322 C SPR 15322 E SPR 15322 G SPR 15322 J SPR 15322 L |
|
| 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. |

Slurry pumps are widely used to transport corrosive/abrasive and high concentration slurry in many industries such as Gold, Silver, Iron ore, Tin, Steel, Coal, Titanium, Copper, Mineral sands, Lead and Zinc. Various other industries include Molybdenum, Electric Utilities, Oil Shale, Water & Sewage Utilities, Building areas, Sand & Gravel, Tobacco and Agriculture (hog, poultry, dairy manure).
Mining & Minerals, Grinding and screening, Hydrocyclone separation, Magnetic separation, Flotation, Thickening, Filtration, Leaching, solvent extraction and electrowinning, Pelletising, Tailings, Metallurgy, Roasting, Annealing and pickling, Coke quenching, Hot strip milling, Neutralisation, Mud handling and waste treatment

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