anti-wear diesel engine dredge dry sand pump for Sand-excavating ship
Product DescriptionWS/WSG gravel pumps are designed for continuously handling the most difficult higher abrasive slurries which contain too big solids to be pumped by a common pump. They are suitable for delivering slurries in mining, explosive sludge in metal smelting, dredging in dredger and course of rivers, and other fields. Type WS(G) pumps are of high-head ones.
Features of sand pump
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°.
This type of pump possesses the advantages of easy installing and operation, good performance of NPSH and abrasion-resistance.
Typies of driver: V belt driver, gearbox driver, elastic coupling driver, fluid couplings driver, frequency conversion driver, silicon controlled rectifier speed regulation etc.
| Part Name | Material | Specification | HRC | Application | OEM Code |
| Liners & impellers | 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 | |||
| 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 | ||||
| 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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electric centrifugal pump Particularly suited to applications including watersupply to civil,agricultural and industrial plants, Pressure boosting, Fire-fighting,heating systems and air-conditioning, anti-wear diesel engine dredge dry sand pump for Sand-excavating ship Moving industrial liquids,Irrigation, Refrigeration towers, Swimming pools, Washing plants.
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