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Sintered Bronze Muffler

Sintered Bronze Muffler

The Supreme Air Products™ Sintered Bronze Mufflers are engineered to provide superior noise reduction and high-efficiency filtration for pneumatic exhaust systems. By diffusing the high-velocity air stream through a porous bronze element, these mufflers significantly lower decibel levels to ensure a safer, quieter workplace that meets or exceeds OSHA noise standards. Designed for longevity and high-flow performance, they prevent contaminants from entering the exhaust ports of valves and cylinders while maintaining minimal back-pressure.

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Technical Specifications

Built from high-quality spherical bronze powder, these mufflers offer a uniform porosity that balances sound dampening with airflow efficiency.
Specification Details
Material
Sintered Bronze Element / Brass Hex Base
Operating Pressure
Up to 300 PSIG
Temperature Range
35°F to 300°F (1.6°C to 149°C)
Filtration Rating
40 Micron (Standard)
Available Threads
1/8″, 1/4″, 3/8″, 1/2″, 3/4″, and 1″ NPT
Compliance
Meets OSHA Standard 29 CFR 1910.95

Key Features & Benefits

  • Advanced Noise Attenuation: Dramatically reduces the “exhaust bark” of pneumatic valves and air motors, protecting employee hearing and improving overall factory floor communication.
  • OSHA Safety Compliant: Helps your facility stay in compliance with noise exposure regulations, reducing the risk of fines and improving worker safety.
  • Rugged & Washable: The durable bronze element can be cleaned with standard solvents (like mineral spirits) and blown out with compressed air, extending the service life of the muffler.
  • Integrated Hex Base: Featuring a precision-machined brass hex head, these mufflers can be easily tightened or removed using a standard wrench—no special tools required.

Installation & Maintenance Tips

  • Proper Sizing: Always match the NPT thread size of the muffler to the exhaust port of your valve. Using a reducer to fit a smaller muffler can increase back-pressure and slow down your equipment.
  • Contaminant Management: If you notice a decrease in machine speed, it may be time to clean the muffler. Sintered bronze acts as a filter and can eventually become clogged with oil or debris from the air line.
  • The Vortex Tube Setup: These mufflers are the perfect replacement or upgrade for the hot-end exhaust of Supreme Air Products™ Vortex Tubes, ensuring quiet operation during spot cooling (1/4″ Female NPT adapter required).