How to Choose Between EPDM and Silicone?

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We recommendevaluating the following factors before finalizing the membrane material:

• Wastewater composition and     chemical exposure.
  
• Expected operating temperature.
  
• Continuous or intermittent     aeration requirements.
  
• Membrane flexibility and fatigue     resistance.
  
• Cleaning chemicals and cleaning     procedures.
  
• Expected maintenance intervals.
  
• Replacement availability and     lifecycle cost.
  

Amanufacturer should provide material details and application-specificrecommendations rather than relying only on general material descriptions.

Fine Bubble Diffuser Technical Specification Table

Thefollowing table provides a practical checklist for evaluating diffuserproducts. The numerical dimensions are illustrative examples of commonlyencountered configurations, not universal requirements or specifications for aparticular Titan Aeration model.

Parameter	Typical  information to review
Diffuser  type	Disc,  tube, panel, or specialized membrane design
Nominal  diameter	Common  disc formats include approximately 200 mm and 270 mm
Tube  length	Model-specific;  confirm active membrane length
Membrane  material	EPDM, silicone, or another compatible  elastomer
Support  material	Polymer,  engineered plastic, or corrosion-resistant material
Airflow  capacity	Manufacturer-defined  minimum, preferred, and maximum rates
Pressure  loss	Manufacturer-tested  value at a stated airflow
Connection  size	Confirm  the actual fitting and thread specification
Bubble  characteristics	Test data  or manufacturer-defined performance description
Oxygen  transfer	SOTR and  SOTE under specified test conditions
Operating  temperature	Manufacturer-defined  material and operating limits
Chemical  compatibility	Confirm  against the wastewater and cleaning chemicals
Installation  method	Approved  mounting arrangement and orientation
Maintenance	Inspection,  cleaning, and membrane replacement requirements
Service  life	Application-dependent  estimate supported by operating conditions

Forprocurement, the final specification should include actual model numbers,dimensional drawings, tested performance curves, connection details, and themanufacturer's installation requirements.