High Efficiency Sand Gravel Pump For Tunnelling Process G Wear
Resistant OEM
Pump Features
1. SHIZA brand G Sand and Gravel pumps are horizontal centrifugal
pump, adopt special clamps clip
tight pump body and pump cover. The discharge direction can be
oriented in any direction of 360
degrees, easy to installation and operation.
2. Bearing adopts cylindrical structure, easy for adjust the gap
between impeller and pump body. It can be entirety dismantled when
maintenance. Bearing lubricated by grease.
3. Wide flow channel, better cavitation performance.
4. V belt drive, elastic coupling drive, gear reducer drive,
hydraulic coupling drive, variable frequency
driven etc.
Application fields
SHIZA brand dredging pump are widely used in the port dredging
reclamation all over the our country's rivers and lakes, such as the Yangtze River, Yellow River, Liaohe River, Pearl River,
Huaihe River, etc.
Type meaning for dredge pump
10/8F-G(H)
10----------------pump inlet size (inch )
8----------------pump outlet size (inch)
G----------------G gravel pump
H----------------High head gravel pump
G(H) gravel 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 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, 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 |
| Inspection and Detection: |
| With various inspection and detection instruments ,like
three-coordinate measuring instrument ,metallographic microscope,
direct reading spectrometer ,Brinell hardness meter ,Vickers
hardness meter, carbon and sulfur analyzer and other detection
equipment,we can carry on the chemical composition analysis
,physical properties test ,coordinate measurement for various
steel&steel materials |
| Complete pump set inspection: |
| We have performance testing platform for each batch pump inspection
before delivery |
| Quality control system for each set pump: |
| Purchasing | 1. Strict rules and procedures to choose the raw material supplier |
| 2. Each batch raw material will be tested by quality control
department |
| Casting | 1 .Melting:Chemical element analysis for raw material before and
after stove . |
|
| 2. Moulding :Strict sand moulding qualified before iron liquid
pouring for casting |
| 3. Cleaning semi-finished parts sand :Strict inspection on the
appearance and size qualified before storage. |
| Machining | 1.Self -inspection and inspection between different steps. |
| 2.First part inspection |
| 3.Procedures inspection |
| 4..Inspection before storage the mining slurry pumps |
| Assembling | 1.Inspector tracks the whole process of assembly of slurry pumps |
| 2.Slurry Pump pressure inspection and fillout the testing table |
| 3.Painting inspection |
| 4.Performance testing and fillout the testing table |
| 5.Packing inspection of slurry pump |
| 6.Issue quality certificate |
