Material

Galvanized steel sheets

Structure

Pack 50mm centrifugal glass cotton inside the muffler and cover it with glass cloth and  φ 4mm perforated plate.The keel is galvanized sheet.

Main technical parameter

1.Noise reduction:12.5db(A)(effective length 1m)

2.Resistance loss:15Pa(air velocity 6m/s)

Notes

1.short arm muffler elbow is used when W<400

2.C size is according to GB or customer's requirement.