Diffused Aeration

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Diffused Aeration

All of our aeration products and services are designed and developed to obtain the highest levels durability, efficiency and flexibility in design and application.  Our fine bubble diffuser design elements make it unique and give it flexibility in its applications.  The fine bubble diffuser’s wide range of efficient oxygen transfer operation and unique mounting system allow retrofits, expansions, replacements, and new plant design to be accomplished simply and reliably.  The coarse bubble diffusers are an ideal product for aeration applications which have a high solids content or mixing governed airflow.

  • Proven durability
  • High flow and high oxygen transfer
  • Superior piping and mounting hardware

Dura Disc Fine Bubble Membrane Diffusers

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The Dura-Disc Plus is the most durable membrane disc diffuser available. Its materials and design features were developed to produce years of efficient oxygen transfer in an incredibly wide range of operating flow rates. The design features of the diffuser enable it to provide efficient oxygen transfer from 0.5 scfm/diff through 10 scfm/diff. Certified outside testing verifies our diffuser is the most efficient over a variety of airflows.

The Dura-Disc Plus EPDM membrane injection molding manufacturing process results in a far superior material makeup than is possible with the compression molding process.  The Dura-Disc Plus has a tapered air release surface.  At the center of the diffuser the material thickness is approximately 3mm, and at the outer edge of the release surface the material thickness is approximately 2mm.  Under operations, when the diffuser has expanded, the material thickness is uniform across the release surface.  This uniformity ensures bubble release from all angles of the diffuser surface.  The thickened and non-perforated center pad of the diffuser blocks the air orifice during shut off, therefore eliminating any fluids or solids from infiltrating the piping system.

Dura Disc Coarse Bubble Diffusers

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The Dura Disc coarse bubble diffuser offers affordable and durable mixing and aeration.  With the air releasing from the underside of the glass reinforced polypropylene base, suspended solids are swept off the tank floor.  The thickened and non-perforated center pad of the diffuser blocks the air orifice during shut off, therefore eliminating any fluids or solids from infiltrating the piping system.  Flow ranges from 5-30 scfm offer high process flexibility.

Stainless Steel Coarse Bubble Diffusers

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Ashbrook Simon-Hartley offers unmatched flexibility in design by having three stainless steel coarse bubble diffusers to chose from; Closed Bottom Diffuser, Open Bottom Diffuser, and Open Bottom with Flapper Check Valve Diffuser.  With full penetration continuous welds, our diffusers are of the highest quality and durability. The exclusive cast mounting tee design has added strength and resistance to vibration, which enhances the quality of the system.  All three coarse bubble diffuser’s design features enable them to operate from 2 scfm through 50 scfm/diff. A triple port air release pattern shears the bubble and allows the diffuser to maximize efficiency. Other common features are an extra thick cast end piece continuously welded to assure strength and non fouling / clog free, non-corroding 304L or 316L stainless steel.

Ashbrook Simon-Hartley
Ashbrook Simon-Hartley
11600 E. Hardy
Houston ,  TX 77093-1098

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  1. we are searching for a aeration system with this specification Electrical power (kw) ;2.6 air flow (CMM): 6 noise Level (db): 77 chemical ring blower with air clener aeration grid with FRP supporter soft PVC hose 2inch with clamp Pls contact as soon as possible at my email: lohjeannie@yahoo.com.sg

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