D3147
Closed High Chrome A05 Impeller for 4/3 C Pump
High-wear closed impeller for severe slurry duty in 4x3 C-frame pumps. Engineered with back pump-out vanes to reduce stuffing box pressure and mitigate solids recirculation.
Metallurgical Specifications & Dimensional Interchangeability
| Universal Code: | D3147 (SMAT-PUMP-3X2-IMP) |
|---|---|
| Compatible Frame & Pipe Series: | Slurry pump frame 4/3 C (Series 3X2) |
| Component Type: | Closed-Vane Centrifugal Slurry Impeller |
| Unit Mass & NIOSH Handling: | 32.5 kg — Hoist / Crane Mandatory (HOIST_REQUIRED • LI=2.93 ≥ 23 kg) |
| Critical Wall Thickness: | 24 mm (High Chrome A05 (27% Cr, ASTM A532 Class III Type A)) |
| Outer Diameter (∅D₂): | 270 mm |
| Max Sphere Passage (Solids): | 28 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: | Secondary cyclone classification, concentrate regrind, and heavy transfer |
| 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 D3147 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.