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27

2026-04


8/6E-AH Slurry Pump Impeller Field Hardfacing Repair: Chrome Carbide Electrode Selection and Welding Parameters

8/6E-AH slurry pump impeller field hardfacing guide: chrome carbide electrode selection (D266/D688), preheat temperature (250-350°C), welding parameters, and quality inspection. Achieve 80%-120% of new impeller life at 30%-50% cost.

24

2026-04


HH 300 High‑Head Pump Rear Pump Cavitation Prevention in Two‑Pump Series Operation: Booster Pump vs. Inducer Retrofit

HH 300 high‑head pump rear pump cavitation prevention in two‑pump series operation: booster pump vs. inducer retrofit. Increase NPSHa by 30%-50%, extend impeller life from 6 months to over 2 years. Case study and selection guide included.

24

2026-04


6/4D-AH Slurry Pump High‑Temperature Bearing Grease Selection: Upgrading from Lithium Grease to Perfluoropolyether (PFPE)

6/4D-AH slurry pump high‑temperature bearing grease selection guide: standard lithium grease carbonizes above 80°C. Upgrade to PFPE grease operates stably at 300°C, extends bearing life 3‑5 times. Performance comparison and retrofit case included.

24

2026-04


200ZJ-70 Slurry Pump Wear Part Failure Mode in Phosphate Tailings: Erosion‑Corrosion Synergy

Failure mode of 200ZJ-70 slurry pump wear parts in phosphate tailings: erosion‑corrosion synergy limits high‑chrome life to <2,000 hours. Failure analysis, electrochemical data, and material upgrades (duplex 2205, WC coating).

24

2026-04


Froth Pump Impeller Design Features in Flotation Process: Centrifugal Open vs. Vortex Impeller

Compare centrifugal open impeller vs. vortex impeller for froth pumps – air‑lock prevention, applicable froth density, and selection guide for flotation processes.

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