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  • Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
  • Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
  • Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
  • Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
  • Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
  • Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
Diffused Aerations Fine Bubble Air Diffuser for STP& ETP
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Diffused Aerations Fine Bubble Air Diffuser for STP& ETP

  • 1 - 499 Pieces
    $8.50
  • >= 500 Pieces
    $3.90

Customization:

Customized packaging(Min.Order: 5000 pieces)

Diffused Aerations Fine Bubble Air Diffuser for STP& ETP

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Fine Bubble Aeration: Delivers uniform, micro-bubble aeration to enhance oxygen transfer efficiency in STP (Sewage Treatment Plant) and ETP (Effluent Treatment Plant) systems, optimizing biological processes.
  • Durable Construction: Made of ASTM D638-certified plastic, ensuring resistance to chemicals, moisture, and wear for long-term reliability in harsh treatment environments.

Key features

  • 1. Material Technology

  • With ASTM D638-certified durable plastic, ensure resistance to harsh chemicals and moisture, outperforming basic plastic diffusers*.

  • 2. Interactive Design

  • With a central vent design, achieve fine bubble dispersion for optimal oxygenation, surpassing coarse bubble systems*.

  • 3. Performance Parameters

  • With fine bubble technology, boost oxygen transfer efficiency by ~30% compared to standard diffusers*, reducing energy costs in treatment processes.

  • 4. Scenario Solutions

  • Designed for 24/7 commercial use in STP/ETP systems, providing uninterrupted aeration versus home-use models*.

  • 5. Certification Standards

  • With ASTM D638 and CE certifications, meet global safety and performance standards, ensuring compliance over non-certified alternatives*.

Product details

Diffused Aerations Fine Bubble Air Diffuser for STP& ETP

The Diffused Aerations Fine Bubble Air Diffuser is engineered for efficient aeration in STP (Sewage Treatment Plants) and ETP (Effluent Treatment Plants). Its durable plastic construction ensures resistance to chemicals and moisture, while the central vent hole and raised rim design enable airtight seals and optimal airflow. Certified to ASTM D638 and CE standards, this diffuser guarantees reliability and safety with a 1-year warranty.

Technical specifications

FeatureSpecificationBenefit
MaterialDurable plastic with matte inner finishChemical/moisture resistance, slip prevention
CertificationASTM D638, CECompliance with global safety and quality standards
Bubble Fineness1-2mm microbubblesEnhanced oxygen transfer efficiency
Pressure ResistanceUp to 0.3 MPaStable performance in high-pressure systems
Warranty1 yearGuaranteed durability and customer support

Customization guide

Adjustable parameters include size, shape, and material thickness to meet specific container dimensions or chemical resistance requirements. Custom printing and labeling options enable branding or application-specific identification.

Get inspired

Optimize wastewater treatment processes with fine bubble diffusion that maximizes oxygen dissolution. The diffuser’s airtight seal and vent design ensure consistent performance in harsh environments, while its lightweight plastic material reduces maintenance costs.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Bubble Fineness1.5-2mm1.2-1.8mm (+20%)1-1.5mm (+50%)*
Pressure Resistance0.2 MPa0.25 MPa0.3 MPa
Energy EfficiencyStandard15% improved30% improved*

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: Chemical-resistant plastic outperforms traditional PVC by 30% in corrosion resistance.
    • Bubble Precision: The Pro Model’s 1mm bubbles enhance oxygen transfer by 40% compared to industry benchmarks.
    • Seal Integrity: The raised rim design reduces leakage by 50%, critical for airtight STP/ETP systems.
  2. Version Selection Guide:

    • Base Model: Ideal for small-scale STPs with standard chemical loads.
    • Advanced Model: Suitable for medium-duty ETPs requiring enhanced pressure resistance and energy savings.
    • Pro Model: Designed for industrial facilities with high chemical exposure; its triple-certified durability ensures longevity in extreme conditions.

With the Pro Model’s 1mm microbubbles, you can achieve 40% higher oxygen dissolution rates, optimizing wastewater treatment efficiency. Pair its premium material with the raised rim seal to eliminate leakage risks in corrosive environments.

Frequently asked questions

  • Which Diffused Aerations model suits small STP/ETP systems?

  • How to clean the diffuser’s vent holes to prevent clogging?

  • Why is durable plastic better for STP/ETP diffusers compared to metal?

  • Can the diffuser lids be customized for branding or labeling?

  • Is the Diffused Aerations system CE-certified for industrial use?

  • How does the central vent hole improve aeration efficiency?

  • Does the diffuser’s material comply with FDA food safety standards?

  • What warranty protections come with the Diffused Aerations system?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Fine Bubble Diffuser (Our Base)STP/ETP Aeration SystemsBubble 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 DiffuserIndustrial Wastewater TreatmentBubble 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 PlantsBubble 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 DiffuserMunicipal Wastewater SystemsBubble 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 DiffuserSmall-Scale ETP PlantsBubble 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 STPBubble 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)

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