1. Nyob rau hauv cov txheej txheem ntawm niaj hnub kev lag luam thiab cov cuab yeej siv, muffler tuaj yeem txo cov suab nrov ntawm pneumatic.cov khoom siv, thiab tuaj yeem muab qhov sib npaug zoo tshaj plaws ntawm kev txo suab nrov thiab kev lees txais rov qab siab hauv pneumatic system.
2. Feem ntau hais lus, mufflers muaj ntau qhov ntau thiab tsawg kom haum rau feem ntau cov qauv li qub, thiab muaj cov khoom sib xyaw ua ke kom ntseeg tau yooj yim sib dhos rau cov khoom siv pneumatic.
3. Nyob rau hauv cov nqe lus ntawm cov khoom, porous yas mufflers muaj ntau yam zoo dua hlau mufflers: ho txo qhov hnyav, zoo heev.txhim kho corrosion kuj, muaj peev xwm ntau dua los lim cov khoom thiab aerosols, ruaj khov dua, sib dhos sai dua thiab cov nqi zoo.