Fine Bubble Diffuser (Our Base) | STP/ETP Aeration Systems | Bubble Size: 1.5mm (ASTM D792) Material: Durable Plastic (Tensile Strength: 25 MPa, ASTM D638) Noise: 45 dB (IEC 60704) Warranty: 1 year | ▲ Efficient aeration for oxygenation Quiet operation (quieter than a refrigerator) Certified durability | Higher cost than coarse types Requires clean water to prevent clogging |
Coarse Bubble Diffuser | Industrial Wastewater Treatment | Bubble Size: 3-5mm Material: Ductile Iron (Corrosion-Resistant, ISO 2531) Noise: 60 dB Warranty: 1 year | Lower cost Robust design for harsh environments Resistant to abrasion | Less efficient aeration Noisy operation (louder than a washing machine) Large bubbles reduce oxygen transfer |
Membrane Diffuser (Our Advanced) | High-Volume STP Plants | Bubble Size: 0.2mm (Ultra-Fine) Material: EPDM Rubber (ASTM D2000) Noise: 38 dB Warranty: 2 years▲ | ▲ Maximized oxygen transfer Ultra-quiet operation 25% energy savings (ISO 50001) Chemical resistance | Higher upfront cost Sensitive to debris in water Requires regular maintenance |
Tube Diffuser | Municipal Wastewater Systems | Bubble Size: 2-4mm Material: PVC (Flame Retardant, UL 94 V-0) Noise: 55 dB Warranty: 1.5 years | Cost-effective for large-scale use Easy installation Resists UV degradation | Moderate efficiency Prone to clogging in sediment-heavy water |
Disc Diffuser | Small-Scale ETP Plants | Bubble Size: 1.8mm Material: Stainless Steel (Corrosion-Resistant, ASTM A240) Noise: 50 dB Warranty: 1 year | Compact design Easy replacement of discs High durability | Lower oxygen transfer efficiency than fine bubbles Higher energy consumption |
Industrial Grade Diffuser (Industry Standard) | Heavy-Industrial STP | Bubble Size: 2-3mm Material: Cast Iron (Abrasion-Resistant, ASTM A48) Noise: 65 dB Warranty: 1 year | Rugged construction for extreme conditions Widely adopted in heavy industries | Extremely loud operation Heavy weight complicates installation No advanced certifications (e.g., ASTM D638) |