Used Hiller DP 45-422 Solid Bowl Decanter Centrifuge | 2304 Duplex SS | Wastewater Dewatering
Overview
Description
Used Hiller DP 45-422 Solid Bowl Decanter Centrifuge | 2304 Duplex SS | Wastewater Dewatering. Alloy 2304 (1.4362) on product contact parts. Maximum bowl speed 3800 rpm. Working bowl speed 3500 rpm. Single lead conveyor with single row lined cake discharge ports with ware liners. Approximate 30 KW (45 hp) 3/50/380 Volt main drive motor, frame/casing and additional infrastructure. On 4 legs. Control panel. Previously used in a Wastewater Treatment Application. New year 2012. Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.
Specifications
Used Equipment Facts About This Machine
🏭 Manufacturer Information
Manufacturer: Hiller GmbH
Model: DP 45-422
Type: Solid Bowl Decanter Centrifuge
Year Built: 2012
Condition: Used
Previous Application: Wastewater treatment
⚙️ Description
This Used Hiller DP 45-422 Solid Bowl Decanter Centrifuge is a robust, continuous-duty separation system engineered for sludge thickening and dewatering in municipal and industrial wastewater operations. Constructed with Alloy 2304 (EN 1.4362) duplex stainless steel on product-contact parts, the machine delivers excellent corrosion resistance and mechanical strength.
The centrifuge operates at a working bowl speed of ~3,500 RPM (with a maximum of 3,800 RPM) and features a single-lead conveyor with lined cake discharge ports and wear liners for extended service life. Driven by an approximately 30 kW (45 HP) main motor, the unit includes the frame/casing, control panel, and ancillary infrastructure, mounted on four legs for stable installation. Ideal for wastewater, biosolids, and industrial slurry separation.
📏 Specifications
Model: DP 45-422
Centrifuge Type: Solid bowl decanter
Bowl Speed:
Working: ~3,500 RPM
Maximum: 3,800 RPM
Conveyor: Single-lead
Cake Discharge: Single row ports with wear liners
Product Contact Material: Alloy 2304 (1.4362) Duplex Stainless Steel
Main Drive Motor: ~30 kW (45 HP)
Electrical: 3/50/380V
Mounting: On 4 legs
Controls: Control panel included
Application History: Wastewater treatment
🧩 Applications
Municipal wastewater sludge dewatering
Industrial wastewater treatment
Biosolids thickening
Food & beverage effluent treatment
Chemical and specialty chemical slurries
Mining and mineral processing effluents
Pulp & paper wastewater
Environmental remediation
Oil & gas produced water (as applicable)
Continuous solid/liquid separation lines
⚗️ What This Might Be Used For
Dewatering primary and secondary sludge
Reducing disposal volume and costs
Improving downstream drying efficiency
Recovering clarified centrate
Continuous, high-throughput solids separation
📦 Products This Is Commonly Used For
Wastewater sludge and biosolids
Industrial slurries
Chemical precipitates
Mineral fines
Food processing residues
Fibrous solids
Process effluents
Environmental waste streams
Treatment plant residuals
Clarification applications
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