Shijiazhuang Shiza Pump Industry Co.,Ltd.
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Electric motor Dredge and Gravel slurry pump G,GH series for dredging river course,8/6E-G
Performance
| Product Name: Sand dredge gravel pump |
| Model:T12-10G |
| Outlet size: 250mm (10 inch) |
| Inlet size: 300mm (12 inch) |
| Capacity: 360-1520 m3/H |
| Head: 11-58 m |
| Maximal efficiency: 70% |
| NPSH : 2-4.5 m |
| Allowable mating max power: 600 kw |
| Base type: G |
| RPM : 400-850 r/min |
| Seal type: gland packing |
| Max. Diameter of Flowed Particle: 220 mm |
| Material of liner : anti wear chromium alloy |
| Theory : Centrifugal pump |
| Impeller Vanes: 3 |
| Impeller Type: close |
| Material : high chromium alloy |
| Material of Frame plate: chromium alloy |
| Place of Origin:Shijiazhuang,hebei,China |
Pump features
1. G series pump is single-casing , horizontal Gravel pump. The outlet direction can be positioned 360°, easy to install.
2. Shaft adopt cylinder structure, which is convenient to adjust the gap between impeller
and front wearing plate. The shaft is grease lubrication.
3. Shaft seal: expeller drive seal, packing seal, and Mechanical seal.
4. Wide flow Passage , high efficient wear resistance.
5. Driving method: V belt drive, elastic shaft coupling transmission, gear box drive, etc.
6. The wet parts are Ni-hard and high-chrome alloys with good anti-corrosive property.
7. Variable speeds and modals to ensure smooth operation. Additionally, Long service life and high operation efficiency offer reliable performance in a tough operating environment.
Type meaning
6/4D-G(H)
6----------------pump inlet size (inch )
4----------------pump outlet size (inch)
G----------------G gravel pump
H----------------High head gravel pump
G(H) gravel and sand pump material list for parts:
| Part Name | Material | Specification | HRC | Application | OEM Code |
| Bowl, door, back liner & 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 not less than 4 | A49 | ||
| AB33: 33%-37% chrome white iron | It can transport oxygenated slurry with pH not less than 1 such as phospor-plaster, nitric acid, vil, 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 | ||||
| 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 | ||||
| Door clamp 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 |
Performance table:
| Pump Model | Allowable | Clear Water Performance | ||||
| Max. Power | Capacity Q | Head | Speed | Max.Eff. | Impeller. Dia. (mm) | |
| (kw) | m3/h | H (m) | n(r/min) | (%) | ||
| 6/4D-G | 60 | 36-250 | 5-52 | 600-1400 | 58 | 378 |
| 8/6E-G | 120 | 126-576 | 6-45 | 800-1400 | 60 | 378 |
| 10/8S-G | 560 | 216-936 | 8-52 | 500-1000 | 65 | 533 |
| 10/8F-G | 260 | 216-936 | 8-52 | 500-1000 | 65 | 533 |
| 10/8S-GH | 560 | 180-1440 | 24-80 | 500-950 | 72 | 711 |
| 12/10F-G | 260 | 360-1440 | 10-60 | 400-850 | 65 | 667 |
| 12/10G-G | 600 | 360-1440 | 10-60 | 400-850 | 65 | 667 |
| 12/10G-GH | 600 | 288-2808 | 16-80 | 350-700 | 73 | 950 |
| 14/12G-G | 600 | 576-3024 | 8-70 | 300-700 | 68 | 864 |
| 16/14G-G | 600 | 720-3600 | 18-44 | 300-500 | 70 | 1016 |
| 16/14TU-G | 1200 | 324-3600 | 26-70 | 300-500 | 72 | 1270 |
| 18/16G-G | 600 | 720-4320 | 12-48 | 250-500 | 72 | 1067 |
| 18/16TU-G | 1200 | 720-4320 | 12-48 | 250-500 | 72 | 1067 |