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Used stack in China

Overview

Disc separators (centrifugal separators) are high-speed machines that use centrifugal force to separate liquids of different densities or remove solids from liquids. Common in dairy, oil, chemical, and wastewater processing, they have stacked discs to increase separation area and efficiency. Models vary by capacity, feed type (continuous or intermittent), corrosion resistance, and servicing access. Buyers choose based on throughput, G-force, material compatibility, and ease of maintenance.

FAQ

What should I check when buying a used disc separator?

Inspect the bowl and discs for wear or corrosion, check bearings, seals, and drive system, review maintenance records, confirm capacity and G-force ratings, and verify spare-parts availability and documentation.

How do I prepare a disc separator for shipping?

Drain all fluids, clean residues to meet hazardous-material rules, secure rotating parts, block the bowl, use manufacturer-approved lifting points, crate or skidd for stability, and provide accurate weight and dimensions to the carrier.

What ongoing maintenance is required?

Perform daily checks on vibration, temperature, and seals; schedule bearing lubrication or replacement, bowl and disc inspection, gasket/seal changes, and follow the OEM service intervals for rebuilds and balancing.