D4018
High Chrome A05 Suction Cover Plate Liner for 6/4 D Pump
Precision-ground Cr27 A05 front wear plate designed to maintain optimal axial clearance against the impeller front shroud and preserve volumetric efficiency.
Metallurgical Specifications & Dimensional Interchangeability
| Universal Code: | D4018 (SMAT-PUMP-6X4-CPL) |
|---|---|
| Compatible Frame & Pipe Series: | Slurry pump frame 6/4 D (Series 6X4) |
| Component Type: | Front Suction Wear Plate & Axial Clearance Liner |
| Unit Mass & NIOSH Handling: | 38 kg — Hoist / Crane Mandatory (HOIST_REQUIRED • LI=3.42 ≥ 23 kg) |
| Critical Wall Thickness: | 30 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 — 12. Forro de Tapa de Succión CPL D4018 (Estación 03 • Hule R55) |
| Metallurgy: | High Chrome A05 (27% Cr, ASTM A532 Class III Type A) |
| Verified Hardness: | ≥ 650 HB (Brinell) / 58-62 HRC |
| Critical Application: | Front suction chamber in 6/4 D pumps subject to abrasive recirculation |
| Assembly Guarantee: | Precision-ground front face for 0.76 to 1.5 mm axial clearance calibration in Durango. |
| Everyday Physical Scale (ISO/IEC 7810): | Optimal reference axial clearance δ = 0.76 mm (exact thickness of 1 standard ISO 7810 bank card). |
1:1 Dimensional Fit & Dynamic Balance Assurance
Every D4018 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.