Food Grade HEPA Filter
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Exceed Sanitation Standards with Sonic’s Food Grade In-Line HEPA Filters
Reliably filter dust, molds, bacteria, and any airborne particles as small as 0.3 microns
The Sonic HEPA filter (High-Efficiency Particulate Air) was designed to provide our customers with a "True HEPA filtration" plumbing circuit. "True HEPA filtration" refers to a plumbing circuit which features the standard blower inlet filter with the addition of an in-line HEPA filter. By integrating it after the blower's discharge, it guarantees that the air feeding the air knives or nozzles is filtered to 0.3 micron.
Sonic has supplied in-line HEPA filter assemblies to many of our customers worldwide. They are designed to suit any critical cleanliness application where air is blowing directly onto food products, food contact surfaces, medical devices, and any other product where 99.97% sanitary air is required.
Ensuring Ultra-Clean Air for Sensitive Applications
Sonic’s HEPA filters for food processing play a critical role in risk management strategies, offering an added layer of protection against product recalls, production delays, and customer dissatisfaction caused by invisible contaminants.
This filter also supports sustainable manufacturing goals by extending the life of downstream equipment and reducing the need for frequent cleanings or part replacements. From preventing cross-contamination in batch processing to enabling longer production cycles between maintenance intervals, it contributes to overall process efficiency and quality assurance.
Supporting Sanitary Environments with Advanced Filtration
- Filtration to 0.3 micron / MERV 17
- Hose barb connection with optional ferrule connection
- Differential filter pressure drop analog gauge
- Available in Hard Anodize or Nickel Plated Aluminum
- Mounting base in powder-coated steel or 300 series SS
- Max 1000 cfm @ 2 psi (1,407 mm H2O)
- Enhanced Product Safety: Our HEPA filters reduce the risk of contamination in food processing and manufacturing.
- Regulatory: They help meet stringent industry standards for cleanliness, supporting compliance with health and safety regulations.
- Operational Efficiency: Maintains consistent airflow while ensuring air purity, contributing to overall system efficiency.
How to Select the Right Industrial Diverter Valve
Determining the best valve for your system depends on balancing air volume, pressure, and material characteristics. When these factors align, you achieve smoother performance, higher efficiency, and long-term reliability. The ideal configuration not only maintains consistent airflow and minimizes pressure loss but also enhances energy efficiency across continuous production cycles.
Common Types of Diverter Valves
- Flap Type Diverter: Simple, cost-effective valve ideal for low- to medium-pressure systems handling powders, pellets, or airflows requiring gentle redirection.
- Plug (Rotor) Diverter: Designed for continuous-duty applications, offering smooth switching between lines with minimal leakage.
Slide or Slideflex Diverter: Provides fast, tight-sealing transitions for high-pressure or high-temperature processes where precision airflow management is essential.
Key Technical Considerations
When specifying an industrial air diverter valve, consider the following engineering factors to ensure long-term reliability:
- Material Compatibility: Choose materials suited to your process—aluminum for lightweight efficiency, stainless steel for hygienic or corrosive environments, or coated alloys for chemical resistance.
- Actuation & Automation: Sonic offers manual, pneumatic, or automated actuation to integrate with PLC or sensor-driven systems for instant airflow control.
Sealing & Maintenance: Valves are designed with precision-fit components and replaceable seals to maintain efficiency and reduce downtime during maintenance intervals.
View Case Studies
Frequently Asked Questions
Yes. Sonic butterfly valves can operate in conjunction with a VFD for blower speed control; however, they can also function as the sole airflow control device. As a low-cost alternative to a VFD, the butterfly valve allows operators to manually fine-tune air velocity and pressure, setting the optimum airflow level during the initial system setup without relying on expensive electronic controls.
The Sonic Y-Verter™ is a mechanical alternative to Variable Frequency Drive motor controllers traditionally used in blower and air knife systems. It allows rapid, reliable airflow redirection between system branches without changing motor speed, reducing complexity and maintenance requirements compared to VFD-based systems.
A Y-Verter™ is particularly effective when using standard 3,600 RPM, 60 Hz motors where air control needs can be met through mechanical redirection rather than motor speed modulation. While certain high-speed blower motors (up to 20,000 RPM) may require VFDs with output frequencies up to 330 Hz, many air knife applications can achieve equal or better airflow management with the simpler, more durable Y-Verter™ system.
Yes. They can be integrated with most industrial blowers or pneumatic systems, and custom configurations are available for unique operating conditions.
Specification Sheets
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Food Grade HEPA Filter
Exceed Sanitation Standards with Sonic’s Food Grade In-Line HEPA Filters
Reliably filter dust, molds, bacteria, and any airborne particles as small as 0.3 microns
The Sonic HEPA filter (High-Efficiency Particulate Air) was designed to provide our customers with a "True HEPA filtration" plumbing circuit. "True HEPA filtration" refers to a plumbing circuit which features the standard blower inlet filter with the addition of an in-line HEPA filter. By integrating it after the blower's discharge, it guarantees that the air feeding the air knives or nozzles is filtered to 0.3 micron.
Sonic has supplied in-line HEPA filter assemblies to many of our customers worldwide. They are designed to suit any critical cleanliness application where air is blowing directly onto food products, food contact surfaces, medical devices, and any other product where 99.97% sanitary air is required.
Ensuring Ultra-Clean Air for Sensitive Applications
Sonic’s HEPA filters for food processing play a critical role in risk management strategies, offering an added layer of protection against product recalls, production delays, and customer dissatisfaction caused by invisible contaminants.
This filter also supports sustainable manufacturing goals by extending the life of downstream equipment and reducing the need for frequent cleanings or part replacements. From preventing cross-contamination in batch processing to enabling longer production cycles between maintenance intervals, it contributes to overall process efficiency and quality assurance.