Alwitco R20 Atomuffler Relief Valve Muffler, 2" Female NPS

Genuine Alwitco ATOMUFFLER® Series 0412020 Model R20 Relief Valve Air Exhaust Muffler, 2 in Female NPS Connection, 3200 SCFM Flow Rate, 175 PSI Pressure Rating, Single Chamber

Genuine Alwitco ATOMUFFLER® Series 0412020 Model R20 Relief Valve Air Exhaust Muffler, 2 in Female NPS Connection, 3200 SCFM Flow Rate, 175 PSI Pressure Rating, Single Chamber 0412020

Pressure Equalization Optimizes Performance

The Atomuffler® Relief Valve Muffler includes all the outstanding features of the industry-standard Atomuffler® plus an added relief valve. Superior design and construction provides a low-cost, effective method of eliminating annoying, distracting noise emitted from air-operated devices.


The unique relief valve equalizes pressure by detecting any outflow deviation, responding to the pressure differential and opening up to compensate for outflow demands.


Relief Valve Mufflers are ideal for applications where uninterrupted continuous outflow is imperative for pressures up to 175 PSI.

Connection Size      :      2 Inch
Connection Type      :      Female NPS
Diameter      :      5.25 Inch
Flow Rate      :      3200 SCFM
Length      :      17.75 Inch
Maximum Operating Pressure      :      175 PSI
Model      :      R20
Operating Temperature      :      50 to 120 Deg F
Replacement Element      :      0911020
Series      :      Atomuffler®
  • Includes all the outstanding features of the industry-standard Atomuffler® Air Exhaust Muffler plus an added relief valve
  • Ideal for applications where uninterrupted continuous outflow is needed
  • Superior design and construction provides a low-cost, effective method of eliminating annoying, distracting noise emitted from air-operated devices
  • Unique relief valve equalizes pressure by detecting any outflow deviation, responding to the pressure differential and opening up to compensate for outflow demands
  • Recommended for pressures up to 175 PSI
  • pdfProduct Catalog https://www.eindustrialsolutions.com//ASSETS/DOCUMENTS/ITEMS/EN/alwitco_product_catalog.pdf