Common Pump Spare Parts with Standard Sizes

1. Impeller

Double-suction impeller (150mm–600mm), closed impeller (80mm–450mm), multistage pump impeller (50mm–350mm).

2. Pump Shaft

Forged steel shaft, Φ30mm–Φ120mm × 500mm–2000mm, for centrifugal pumps, oil pumps, water pumps.

3. Shaft Sleeve & Wear Sleeve

Shaft sleeve Φ30mm–Φ120mm, wear sleeve Φ40mm–Φ150mm, mechanical seal sleeve Φ25mm–Φ80mm.

4. Mechanical Seal

Standard types: 109, 110, 120, 202, 59U, WB2.

Sizes: Φ18, Φ20, Φ25, Φ30, Φ35, Φ40, Φ45, Φ50, Φ55, Φ60, Φ65, Φ70, Φ80.

5. Bearings

6204, 6205, 6206, 6207, 6208, 6210, NU205, NU206, NU208.

6. Wear Ring & Seal Ring

Casing wear ring Φ80–Φ500mm, impeller wear ring Φ50–Φ400mm.

7. Gasket & O‑ring

O‑ring Φ10–Φ200mm, gasket 10–500mm, NBR/EPDM/Viton/PTFE.

8. Gland Packing

10×10, 12×12, 16×16, 20×20, graphite/aramid/PTFE.

9. Coupling & Bolts

Elastic coupling ML/MH/JM, bolts M8–M24.