Used Alar Engineering Flex-O-Star 500 Chemical Batch Pretreatment System | 500 Gallons/Shift | Auto-Vac AV220 Dewatering Filter | 12.6 Sq. Ft. | Built 2021

🏭 Manufacturer Information

• Manufacturer: Alar Engineering Corporation

• Model: Flex-O-Star 500

• Type: Chemical Batch Pretreatment & Dewatering System

• Condition: Used – Excellent Condition

• Rated Capacity: 500 Gallons per Shift

• Filter Type: Auto-Vac Model AV220

• Filter Area: 12.6 Square Feet

• Controls: Allen Bradley MicroLogix 1400 PLC

• Electrical: 3 Phase / 60 Hz / 460 Volt

• Mounting: Skid-Mounted

• Year Built: 2021

• Country of Manufacture: USA

⚙️ Product Description

The Alar Engineering Flex-O-Star 500 is a compact, chemical batch pretreatment system designed for industrial wastewater and process fluid treatment.
Built in 2021, this unit combines chemical dosing, pH adjustment, clarification, and filtration into one integrated skid-mounted system.

It includes an Auto-Vac AV220 dewatering filter with 12.6 square feet of filtration area, providing efficient removal of solids and sludge.
The Allen Bradley MicroLogix 1400 PLC offers easy control, automation, and monitoring for consistent, reliable operation.

Capable of handling up to 500 gallons per shift, this system is ideal for small to mid-scale wastewater producers or facilities requiring batch processing, sludge reduction, and water reuse optimization.

📏 Specifications

• Model: Flex-O-Star 500

• Manufacturer: Alar Engineering Corp.

• System Type: Chemical Batch Pretreatment

• Rated Capacity: 500 Gallons/Shift

• Filter Model: Auto-Vac AV220

• Filter Area: 12.6 Sq. Ft.

• PLC Controls: Allen Bradley MicroLogix 1400

• Electrical Requirements: 3/60/460V

• Mounting: Skid-Mounted

• Year Built: 2021

• Condition: Used (Excellent)

🧩 Applications

• Industrial wastewater treatment

• Chemical process effluent management

• Metal finishing and plating waste treatment

• Paint and pigment wastewater systems

• Food and beverage process water recovery

• Manufacturing rinse water pretreatment

• Sludge dewatering and filtration

• Printing, coating, and ink industry wastewater

• Environmental remediation projects

• Pharmaceutical or lab waste processing

⚗️ What Might This Be Used For

The Alar Flex-O-Star 500 is ideal for facilities that generate small-to-moderate volumes of wastewater requiring chemical pretreatment and solids separation.
It provides batch-based pH control, coagulation/flocculation, and filtration in one automated, compact skid.
This makes it especially useful for industrial plants, metal finishing shops, and environmental contractors looking for efficient, plug-and-play liquid waste management.

🧱 Products That Could Use This System

• Plating and anodizing rinse water

• Paint booth wastewater

• Chemical process residues

• Ink and pigment wastewater

• Food processing effluent

• Coolant and wash water

• Pharmaceutical lab waste

• Reclaimed water for reuse

• Industrial sludge and slurry waste

• Environmental cleanup fluids

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