IMPELLER VERTICAL CENTRIFUGAL PUMPS FOR DENSE FLUIDS
Utilisation
Pumping of liquids containing solid particles and suspended elements.
Principal characteristicsÂ
Setback impeller, out of the discharge flow, avoiding any possibility of blockage, internal flow diameter equal to delivery inlet.
Applications
Pumping stations for raising the refuse from waste tanks of paper works, tanneries, sugar producing plants, steelworks, food processing plants, waste slurry, etc.
Materials
Pump
Spiral pump body.
Setback open centrifugal impeller.
Sleeve type guide supports, lubricated with grease.
Discharge pipe separate and parallel to the shaft.
Upper support with guide and thrust ball-bearings.
On request the pump can be supplied with mechanical seal
Motor
Self-ventilated 3 phase voltage asynchronous motor IP55 protection rating, IEC.
TAV Construction models
| Main components | Standard Group 1 | Standard Group 2 | Special Group 3 | Special Group 4 |
|---|---|---|---|---|
| PUMP BODY SUCTION COVER IMPELLER | Cast iron G 25 UNI 5007 | Cast iron Ni Cr di qualitĂ G 25 | Stainless steel Cr Ni1810 UNI 6900 (aisi 304) | Bronze Cu Sn 10 UNI 7013 |
| SHAFT | Steel C 40 UNI 7231 | Stainless Steel X 5 Cr Ni 1810 UNI 6900 (AISI 304) | Stainless Steel X 5 Cr Ni 1810 UNI 6900 (AISI 304) | Stainless Steel X5 Cr Ni Mo 1720 UNI 6900 (AISI 316) |
| COLUMN PIPE DELIVERY PIPE | Welded elements in carbon steel | Welded elements in carbon steel | Welded elements in stainless steel x 5 Cr Ni 1810 UNI 6900 (AISI 304) | Welded elements in stainless steel x 5 Cr Ni Mo 1720 UNI 6900 (AISI 316) |
| BASE PLATE | Welded elements in carbon steel | Welded elements in carbon steel | Welded elements in carbon steel | Welded elements in carbon steel |
| GUIDE BUSHINGS | Bronze Cu Sn 10 UNI 7013 | Bronze Cu Sn 10 UNI 7013 | Bronze Cu Sn 10 UNI 7013 | Bronze Cu Sn 10 UNI 7013 |
| PUMP AND COLUMN BODY BOLTS | Steel | Steel | Stainless Steel | Stainless Steel |
SPECIAL MODELS UPON REQUEST
Different construction materials when the pump is to be used with especially aggressive liquids.
Delivery inlet and flanges varied in respect of standard model.
Column length and dimensions different from standard model.
Cantilever execution.
