Tobee® Slurry pump Impeller G12147A05A is the most diverse component in 14x12G-AH Slurry Pumps, by changing impeller, the same slurry pump can cover more different duties. And they are normally made in high chromium alloys or natural rubber, special materials are also available.
High Chrome Slurry Pump Impeller Materials:
|
Code |
Hardness |
Performance |
Application |
|
A05 |
≥56 |
Ranks second only to A07 in abrasion-resistant performance; fair corrosion-resistant performance. |
High impact load abrasion condition; PH rate ranging from 5 to 12 |
|
A07 |
≥59 |
Best abrasion-resistant performance; corrosion-resistant performance is inferior to A05 |
High impact load abrasion condition |
|
A33 |
≥35 |
Abrasion-resistant performance is close to A03; fair corrosion-resistant performance |
Oxide slurry with PH rate no less than 1, like phosphor-gypsum in phosphate fertilizer plant, nitric acid, sulph-oacid and phosphoric acid, etc. |
|
A49 |
≥43 |
Fair abrasion-resistant performance, close to A03; fair corrosion-resistant performance in media with lower PH rate. |
Corrosion conditions with low PH rate, especially for flue gas and FGD devices for media of PH≥4; general suitable for lower acid condition. |
|
A12 |
≥62 |
Higher abrasion-resistant performance than A05; fair corrosion-resistant performance; suitable for media with PH rate is 6-16, where A05 is not suitable. |
High abrasive slurry with fine particles. |
|
A61 |
63-68 |
Optimized abrasion-resistant performance than A12 |
High abrasive slurry with fine particles. |
Tobee® offers three different types of slurry pump impellers: open, closed, and semi-open, and slurry pump impellers are made of high chrome alloy, rubber, elastomer, polyurethane, ceramic and some other customized materials to meet any mines site conditions and be suitable for your existing slurry pumps.
Tobee® Pump accept OEM casting parts as samples or drawings of all kinds of AH slurry pump parts, SP vertical pump parts, G sand pump parts, Damen dredge pump parts, IHC dredge pump parts, Andritz pump parts, etc. For the material codes of the impellers, we can manufacture A03, A04, A05, A06, A07, A12, A14, A25, A33, A49, A51, A61 from 1.5/1 to 20/18 Slurry Pumps. For the impeller type, we xan manufacture WRT1, Back Full(BF), Back Remove(BR), Seal Remove(SP), Efficient(HE). Such as:D3145WRT1A05,D3145WRT1BFA05,E4145WRTA05,E4145WRT1A61, F6145WRT1A05,G12145WRT1A05,CAHF2056QU1A05,FAHF6056QU1A05,B1052R55,RSL3014BRU38.
Slurry impellers are more commonly of the closed type (with a front shroud) but open type impellers (without a front shroud) are sometimes used for special applications.
Impellers are generally closed because of higher efficiencies and are less prone to wear in the front liner region. Open impellers are more common in smaller pumps or where particle blockage may be a problem or where the shear provided by an open impeller is an aid to pumping froth.
Another feature of slurry pump impellers is the pump out or expelling vanes on the back and front shrouds. These perform the dual function of reducing pressure (thus inhibiting recirculating flow black to the impeller eye, and reducing stuffing box pressure) and keeping solids out of the gaps between the casing and impeller by centrifugal action.
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