E4147
Closed High Chrome A05 Impeller for 6/4 D Pump
Severe-duty closed impeller for 6x4 D-frame pumps. Delivers optimum hydraulic efficiency in dense slurries (45-60% solids) containing highly abrasive silica particles.
Metallurgical Specifications & Dimensional Interchangeability
| Universal Code: | E4147 (SMAT-PUMP-6X4-IMP) |
|---|---|
| Compatible Frame & Pipe Series: | Slurry pump frame 6/4 D (Series 6X4) |
| Component Type: | Closed-Vane Centrifugal Slurry Impeller |
| Unit Mass & NIOSH Handling: | 68 kg — Hoist / Crane Mandatory (HOIST_REQUIRED • LI=6.13 ≥ 23 kg) |
| Critical Wall Thickness: | 32 mm (High Chrome A05 (27% Cr, ASTM A532 Class III Type A)) |
| Outer Diameter (∅D₂): | 380 mm |
| Max Sphere Passage (Solids): | 45 mm |
| BOM Station & Precedence: | Station 03 — 09. Impulsor Cerrado 5 Álabes (Estación 03 • Lote 5:5:4) |
| Metallurgy: | High Chrome A05 (27% Cr, ASTM A532 Class III Type A) |
| Verified Hardness: | ≥ 650 HB (Brinell) / 58-62 HRC |
| Vane Geometry: | 5 closed vanes with dynamic expeller back vanes |
| Critical Application: | Primary hydrocyclone feed, ball mill discharge, and rougher flotation tailings |
| Assembly Guarantee: | 1:1 dimensional fit verified against physical pattern before dispatch. Direct shipping from Durango Central Warehouse. |
1:1 Dimensional Fit & Dynamic Balance Assurance
Every E4147 unit is physically matched against standard frame dimensions before dispatch from our Durango Central Warehouse. We ensure 100% drop-in interchangeability with industry-standard frames. Should a standard replacement part fail to fit your pump casing, it is immediately swapped from our floor stock.
Fine-tolerance manufacturing prints and complete internal dimensional matrices are kept off public tables to safeguard intellectual property. Detailed mechanical drawings and compliance dossiers are shared privately with authorized mine plant engineering and procurement teams.