Product Overview
The Alfa Laval ALDEC 508 decanter centrifuge is a well-proven horizontal decanter designed for sludge dewatering and solid-liquid separation in municipal and industrial wastewater treatment applications.
This used Alfa Laval ALDEC 508 offers a cost-effective alternative for projects with tight lead times or budget constraints, delivering proven sludge dewatering performance comparable to new machines, while significantly reducing capital expenditure.Rather than being a general-purpose centrifuge, the ALDEC series is specifically engineered for sludge processing, making this model a practical and dependable choice for real-world engineering projects.
Why Choose a Used ALDEC 508?
Proven Design with Long-Term Field Experience
The ALDEC 508 has been widely used in municipal and industrial wastewater facilities for many years. Its design philosophy prioritizes operational stability, consistent dewatering performance, and mechanical durability, which is why many units remain in service for decades.
Suitable for Continuous Sludge Dewatering
This model is optimized for:
- Municipal sewage sludge
- Industrial wastewater sludge
- Medium to moderately high solids content
- It is designed to operate continuously with minimal manual intervention.
- Cost-Effective Engineering Solution
For customers who:
- Cannot wait for new machine production lead time
- Have limited CAPEX budgets
- Need expansion, backup, or temporary equipment
- A used ALDEC 508 provides a balanced solution between performance, reliability, and investment cost.
Basic Equipment Information
| Parameter | Value |
| Brand | Alfa Laval |
| Series | ALDEC Series (500 Series platform) |
| Model | ALDEC 508 |
| Equipment Type | Horizontal Decanter Centrifuge |
| Condition | Used / Second-hand |
| Year of Manufacture | 2001 |
| Bowl diameter | 450 / 258 mm |
| Maximum bowl speed | 2900 rpm |
| Maximum allowable solids density | 1.2 kg/dm³ |
| Control cabinet | Original factory control cabine |
| Typical application | Sludge dewatering & wastewater treatment |
Machine Condition & Inspection Status
This unit is a genuine used centrifuge, previously operated in industrial conditions.
- Normal signs of industrial use are present
- Overall structure is complete
- No structural damage observed
- Nameplate is intact
Key Components Checked / Available for Inspection
- Rotating bowl condition
- Scroll conveyor wear condition
- Bearing assemblies
- Gearbox exterior condition
- Drive motor and nameplate
Photos, videos can be provided upon request before shipment.
Typical Previous Applications
- Municipal wastewater treatment plants
- Industrial effluent treatment systems
- Sludge dewatering processes
The ALDEC 508 is considered a mature and stable model, widely accepted in wastewater engineering projects.
Availability & Delivery
- Equipment status: In stock (used equipment)
- Delivery: Complete unit
- Support options:
- Video inspection
- Pre-shipment condition confirmation
- Technical consultation for application matching
- Used equipment availability is limited and subject to prior sale.
Frequently Asked Questions (FAQ)
Q1: Is this Alfa Laval ALDEC 508 a new or used machine?
This unit is a used / second-hand decanter centrifuge. It is not a new machine and has been previously operated in industrial applications. The machine is offered as-is, with its condition clearly stated.
Q2: Is this machine supplied or authorized by Alfa Laval?
No. This is a used machine, and it is not manufactured, supplied, or authorized by Alfa Laval as a new product. We act as an independent equipment supplier and are not affiliated with Alfa Laval.
Q3: What applications is the ALDEC 508 suitable for?
The ALDEC 508 is mainly used for:
Municipal wastewater sludge dewatering
Industrial effluent treatment
Solid-liquid separation processes
It is a mature model widely applied in wastewater engineering projects.
Q4: What is the typical capacity of this decanter centrifuge?
The actual throughput depends on sludge characteristics such as solids concentration, particle size, and viscosity.
Typical capacity ranges vary by application, and we recommend confirming suitability based on your specific process data.
Q5: What condition is the machine in?
The machine is in used condition with normal signs of industrial operation. The overall structure is complete, and key components such as the bowl, scroll, bearings, gearbox, and motor can be checked or confirmed before shipment.
Q6: Can inspection photos or videos be provided before purchase?
Yes. Photos, videos, and nameplate details can be provided upon request. Pre-shipment inspection confirmation is also available depending on requirements.
Compliance Notice
This machine is a used / second-hand unit and is not manufactured or supplied by Alfa Laval as a new product.
We act as an independent equipment supplier and are not authorized, affiliated, or appointed by Alfa Laval.
This statement is included to ensure transparency, compliance, and customer clarity.
👉 Contact us to get your quotation now.
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