Motor Exhaust Silencers Mod. SMd40 C/ Víctor Sáenz 23, Bajo 33006 · Oviedo, Asturias. España

> Operating Principle SMd40 silencers are of the mixed type: Reactive-Absorbent. The gas enters a double expansion chamber with a venturi-type coupling device, then passes through an absorption silencer. > Description The nominal inlet diameter completes the designation of the silencer (P.e. SMd40 DN125). The inlet mouth can be radial or axial. The output is axial. The body of the silencer is made of steel with a cylindrical shape closed by conical or pumped bottoms. Maximum working pressure 4900 Pa. Maximum working temperature 500 ºC. > Protection The silencer is treated with a high-temperature...

> Accessories Silencers can be provided with the following optional accessories: • Flanges and counter flanges. • Set of gaskets and screws. • Supports. • Spark extinction chamber. For special equipment or special situations such as: temperatures above 500 ºC, diameters above 800 mm., Special steels, etc... please contact us. > Average sound dimming curve Measured under normal operating conditions and once the background noise has been eliminated. (Parasites) According to ISO 6798 sta

> Assembly 1. SMd40 silencers. • The silencers should be installed as close to the engine as possible. • The direction of flow must be respected. 2. Expansion compensator. 3. Vertical supports. 4. Exhaust manifold. The fixing system of the silencer must allow the free expansion of the silencer. flow directio

> Dimensions Length tolerance ± 3 mm.