High Performance Foam Concentrate Transfer Pump Spare Parts Environmental Friendly
Pump Specifications
Foam Froth pumps
High quality
Good NPSH performance
abrasion resistant
4'' Elastomer lined flotation processing foam froth transfer pumps
Naipu NP-AF froth pumps are of heavy duty construction ,designed for continuous pumping of highly abrasive and corrosive frothy slurries.They have a vertical shaft configuration,and comprise a hopper,with vertical bearing assembly,and Type "NP-"pump wet end.They feature a wide choice of replaceable abrasion resistant metal or moulded elastomer casing liners and impellers.
Typical Applications-
Minerals Flotation Processing
Handle froth slurries
1. pump parts
Completely interchangeable with slurry pumps and gravel pumps
For unlisted slurry pump parts, OEM service offered---Drawings needed.
- Impeller
- Metal Liner
- Rubber Liner
- Bearing Assembly
- Base
- Pump Volute;
- Cover Plate & Frame Plate
- Others
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 condition 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 condition 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 pH not be less than 1 such as phospor-plaster, nitric acid, vitriol, phosphate etc. | A33 | |||
| Rubber | R08 | ||||
| R26 | |||||
| R33 | |||||
| Expeller & expeller ring | Metal | B27: 23%-30% chrome white iron | ≥56 | Used for higher wear condition with pH between 5 and 12 | A05 |
| Grey iron | G01 | ||||
| Stuffing Box | Metal | AB27: 23%-30% chrome white iron | ≥56 | Used for higher wear condition 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/resctrictor, 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 |
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