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ECD DIFFUSERS

The patent-pending ECD economy line of diffusers from SSI Aeration, Inc. provides an affordable price point for cost-conscious customers. SSI use a single-mold technique with EPDM membranes to create the ECD series. As a result, clients receive a cost-effective product suitable for a variety of applications. When a project lead needs to factor capital cost into their system design, the ECD series can meet many project requirements.

SSI offers ECD diffusers for sale in 7-inch, 9-inch, 12-inch, and 20-inch diameters that feature a 3/4 MNPT connection and compatibility with SSI’s PVC grommet.

A SINGLE MOLD DESIGN

The SSI facility uses a single mold during production to save costs for customers. Each ECD unit has an integrated membrane created with SSI’s standard EPDM membrane. By creating the ECD series with a single mold, SSI can save costs during production and pass those savings to the client. To provide the reliable performance associated with SSI products, ECD diffusers include an EPDM membrane.

EPDM MEMBRANE INJECTION

After producing the single-mold body, manufacturers inject an EPDM membrane with similar qualities to the membranes on other standard SSI products. The membranes on ECD series products have compression molding with individual thermocouples in each cavity. This process allows the manufacturer to have full control over each diffuser membrane’s quality. SSI also ensures that each membrane’s perforations have even depth for uniform air release. An ECD diffuser membrane has low plasticizer content to reduce hardening and shrinkage while avoiding creep.

SSI ECD SERIES SYSTEM STRENGTHS

SSI’s team can assist in system design with:

Comprehensive product selection: In addition to the ECD disc diffusers, SSI develops additional lines of disc diffusers and coarse bubble diffusers. Thanks to this wide selection, clients can create a variety of system configurations.
Superior piping system integrity: SSI uses piping with a 38% thicker wall and twice as many rod support stands as standard. The team places anchors in the two areas where the piping needs the most structure to increase longevity.

SSI Aeration, Inc. provides full design services, including calculations, simulations and hydraulic studies.

ecd disc diffuser test results

12-INCH ECD DIFFUSERS

SSI’S 12-inch diffusers feature our single mold design allowing a higher surface area and airflow when compared to the 7-inch and 9-inch models. The ECD line of diffusers feature SSI’s standard EPDM membrane with PTFE upgrade available and are a cost-savings solution for many applications.

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20-INCH ECD DIFFUSERS

The SSI ECD500 diffuser is suited for high efficiency applications with its large surface area.

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7-INCH ECD DIFFUSERS

ECD 7-inch diffusers have a cost-saving design with sufficient performance for many applications. They follow standards in multiple industries, making them an affordable and versatile choice for various types of systems. Thousands of municipal and industrial facilities rely on 7-inch diffusers for wastewater aeration. A large number of engineer specifications also make use of 7-inch diffusers like the ones in the ECD series.

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9-INCH ECD DIFFUSERS

As a member of the ECD series, the 9-inch ECD diffuser brings the same level of quality and reliability as the 7-inch model. This larger option has a higher active surface area compared to its 7-inch counterpart. SSI provides four sizes of ECD diffuser to meet various wastewater treatment specifications.

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