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Used Delaval Disc Stack Centrifuges

Overview

Disc stack centrifuges are high-speed centrifugal separators that use a stack of conical discs to increase settling area and separate fine solids from liquids or to separate immiscible liquids. Common in food, pharma, chemical, and wastewater industries, they handle high flow rates with continuous discharge options. Buyers look at capacity, G-force, materials, seals, and automation level. They require careful installation, balancing, and regular maintenance to ensure performance and safety.

FAQ

What specifications should I check when buying a used disc stack centrifuge?

Check capacity and flow rate, maximum G-force, bowl/disc size, construction material (e.g. stainless steel), seals and bearings, motor/drive and control system, wear parts condition, maintenance records and spare-parts availability.

How should a disc stack centrifuge be prepared and shipped?

Drain and thoroughly clean the unit, secure or lock the rotating assembly, fit transport locks/brakes if available, protect electronics and sensitive parts, use robust crating and plan lifting/rigging with a specialist carrier and insurance.

What routine maintenance keeps a disc stack centrifuge reliable?

Perform regular inspections, replace seals and bearings as needed, check discs and bowl for wear or corrosion, verify dynamic balance, lubricate per manufacturer specs, monitor vibration and performance, and schedule periodic overhauls.