Heavy-duty perforated bar screen for coarse screening in sewage and wastewater treatment plants. Ideal for STP inlets to trap solid waste and protect downstream equipment.
Description
The Perforated Bar Screen is a crucial coarse screening component used at the inlet stage of STPs and ETPs. It removes floating debris, rags, plastics, and other large solid materials from raw sewage, ensuring smooth functioning of downstream equipment like pumps, blowers, and biological treatment units.
This screen is constructed from corrosion-resistant MS or SS304 with perforated metal plates that efficiently trap solid particles without clogging. Available in manual or mechanical rake options, it offers low-maintenance operation with high mechanical strength and long service life.
Applications:
Sewage Treatment Plants (STP)
Effluent Treatment Plants (ETP)
Industrial Wastewater Treatment
Pump house inlet protection
Headworks screening system
FAQs
Q1: What is the purpose of a bar screen in STP?
A: It removes large solids like rags, plastic, and debris from incoming sewage, preventing blockages and protecting downstream equipment.
Q2: Can this screen be used for industrial wastewater?
A: Yes, it is suitable for both municipal and industrial STP/ETP inlets.
Q3: What’s the difference between manual and mechanical bar screens?
A: Manual screens require manual cleaning of solids, while mechanical models have a motorized rake for automatic cleaning.
Q4: How often does it need cleaning?
A: For manual types, every 6–12 hours depending on inflow debris. Mechanical models clean automatically at set intervals.
Q5: Can I get a custom size to fit my inlet chamber?
A: Yes, we offer tailor-made screens as per your inlet width, depth, and flow rate.
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