Silencers

• Various technologies for sound level reduction
• Accommodation of a broad frequency range through a combination of different methods
• Steel or stainless steel models
• Horizontal or vertical mounting
• Customised solutions available

Absorptive silencers

• Usually cylindrical bodies lined with a porous attenuation material
• Conversion of sound into thermal energy based on friction losses
• Particularly suitable for the reduction of mid-range and high frequencies
• Average insertion loss of 30 dB(A)
• Special solutions available

Reflective silencers

• Use of the sound reflection and expansion principles
• Reflection and expansion by means of baffle walls, cross-sectional expansions and contractions
• Increased exhaust gas back pressure, depending on the design 
• Mainly attenuation of the low frequencies
• Average insertion loss of 25 dB(A)
• Special solutions available

Combined silencers

• Combination of absorptive and reflective silencers
• Mean insertion loss across the entire frequency range: > 40 dB(A)
• Special solutions available