D4029
High Chrome A05 Expeller Ring & Chamber for 6/4 D
Cast Cr27 A05 static expeller ring with internal vortex-breaking ribs and grease port, engineered to operate alongside the D4028 expeller and D075C21 shaft sleeve.
Metallurgical Specifications & Dimensional Interchangeability
| Universal Code: | D4029 (SMAT-SEAL-4X3-EXR) |
|---|---|
| Compatible Frame & Pipe Series: | Slurry pump frame 6/4 D (Series 4X3) |
| Component Type: | Static Centrifugal Seal Containment Ring |
| Unit Mass & NIOSH Handling: | 24.5 kg — Hoist / Crane Mandatory (HOIST_REQUIRED • LI=2.21 ≥ 23 kg) |
| Critical Wall Thickness: | 22 mm (High Chrome A05 (27% Cr, ASTM A532 Class III Type A)) |
| Outer Diameter (∅D₂): | 290 mm |
| Max Sphere Passage (Solids): | 20 mm |
| BOM Station & Precedence: | Station 02 — 06. Anillo Expulsor D4029 (Estación 02 • Laberinto Seco) |
| Metallurgy: | High Chrome A05 (27% Cr, ASTM A532 Class III Type A) |
| Verified Hardness: | ≥ 650 HB (Brinell) / 58-62 HRC |
| Critical Application: | Static housing for D4028 expeller and stuffing box in 6/4 D pumps |
| Assembly Guarantee: | Flange flatness and stuffing box concentricity verified 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 D4029 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.