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Vent & Blowdown Silencers 

Custom Vent abd Blowdown Silencers
by Powertherm for your Specific Application

- Natural Gas Pipeline Compressor
   Station Blowdown
- Natural Gas Pipeline
   Maintenance Blowdown
- Compressed Gas Vents
- High Pressure Steam Vents
- Safety Relief Valve Stacks
- Four Grades of Noise Reduction 
- Restricted Peak Flow for timed
   Blowdown of High Pressure gases
- Unrestricted Flow for Safety 
   Relief Valve Applications
- All fabrication is accomplished by an
   ASME Code Pressure Vessel
   Licensed fabrication facility

Engineering and Design Backed by 40 years of
Experience and Based Upon Field Proven Processes.

Thousands of
Parts in Stock


Accessories & Replacement Parts

- Elbows

- Exhaust Tubing

- Rain Caps

- Expansion Joints (flex connectors)

- Mounting Bands

- Spark Arresting Mufflers (3"-12" inlets)

- Mufflers (3"-12" inlet sizes)

- Clamps

- Flanges

- Outlet Extensions

- Stainless Tubing

- Air Cleaners

- Residential, Industrial & Critical Grade Silencers Available

As an industry leader, our knowledge and experience allows us to provide the correct exhaust accessories for any diesel or gas industrial engine.


Coating Options


- Standard high heat black

- Black powder coat

- Stainless Steel 304, 316 and 321

- Metco 120 (longer life for offshore



Custom Air Filtration


Filters for all engines with moderate to high flow demands

- 2000 CFM - 30,000 CFM

- Diesel and natural gas engine applications

- Marine applications, available