Shijiazhuang Neibuyeluo Import and Export Trading Co.,LTD
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Hard Metal Alloy Cr27 Cr28 Chrome Iron Alloy Anti-Abrasive Sand Pump Parts
Main parts
1. Support frame: main part for supporting flow parts, connect with bearing glands on the two sides to form bearing assembly.
2. Pump casing: connect with support frame by 6 bolts, can rotate in 60°gap according to needs, impeller, protecting plate, pump cover installed inside, material is abrasion resistant, the impeller, pump casing and pump cover of this pump are same as 6PNL-35 vertical mud sand pump.
3. There are two kinds of pump covers: flat pump cover and long pump cover with flange
4. Shaft seal box: installed outside of protecting plate, seal assembly installed in it, it joints shaft sleeve, lubricating it with grease trough grease fitting to prolong lifetime.
5. Shaft sleeve: installed at the back of impeller , can compress tightly by impeller rotation.
6. Water retaining plate: installed in front of the front bearing plate, compressed with a screw so that it can rotate with pump shaft in same speed and direction, and form labyrinth seal with front bearing gland to prevent the liquid spilling from shaft sleeve from damaging bearing.
7. Support frame oil injection hole: one oil fitting on each side of support frame for lubricating the bearing.
8. Pump rotation direction is clockwise judge from motor side, counter clockwise is prohibited.
9.Impeller:The impeller generally has three vanes or five vanes and wide application range. It is made of wear-resistant high chromium alloy cast iron (hardness>58HRC, impact toughness>9j/cm2). The impeller is fixed on the pump shaft with double thread, and the thread tolerances are inspeed according to the pitch diameter of thread. Disassembly rings are installed at the rear of the shaft sleeve to make maintenance easy.
Materials
High chrome alloy: A05, A07, A49, etc.
Natural rubber: R08, R26, R33, R55, etc.
Other material as per requests, like stainless steel, duplex stainless steel, Nickle alloy, Alloy 20, etc
OEM Service
Based on many years of rich experience in slurry pump manufacturing and design, we can undertake OEM customization for the whole set of pump and various spare parts. The slurry pump spare parts can be made of various material according to customer's requirement, Such as : Alloy 20, Hastelloy Alloy , A 61 and so on
Metal Material
| Code | Material # | Hardness HRC |
Performance | Application |
| A05 | KmTBCr26 | ≥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 | KmTBCr15Mo3 | ≥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. |