Vetus Plastic Muffler MP75 - Fixed 75mm Inlet - Exhaust Noise Reduction (DEMPMP75)
The Vetus exhaust system components are especially suitable for use in water-injected exhaust systems.
The maximum continuous operating temperature of the plastic components of the exhaust systems is 70 degrees C (158 degrees F).
Installing silencer DEMPMP
The silencer can be fitted in front of, or after the goose neck. Fitting after the goose neck gives less of a gurgling exhaust sound. During operation, the silencer contains water. This means that the weight increases considerably and the silencer requires additional support. The silencers with a hose connector diameter between ø 40 and ø 90 mm are fitted with two handles to secure them. The silencers with a hose connector diameter of ø 100 mm can be secured using the two Ty-rap®’s supplied. N.B: There is no DEMPMP silencer available for 30 mm (1.2”) diameter exhaust systems.
Exhaust pipe
In order to ensure the proper drainage of the coolant water injected into the exhaust pipe, the pipe must be installed with a slope downward over its whole length from the water injection point to the exhaust silencer. During operation, the exhaust pipe will contain water. This will increase its weight considerably, so support the exhaust pipe properly. The exhaust pipe from silencer to transom connection must be installed in such a way that:
- The highest point in the exhaust pipe should not be more than 150 cm (60”) above the underside of the exhaust silencer
- The length of the section between the exhaust silencer and the highest point, should not exceed 300 cm (120”).
Hose connections
To ease the fitting of the hose to the hose connector, use only water and/or soap, NOT grease or products containing oil. Fit each hose connection with 2 stainless steel 12 mm (0.5”) wide hose clamps.
To calculate the required waterlock capacity, use the following formula.
Where:
- D = Internal diameter of the hose (mm)
- L = Length of hose (mm)
Options:
- MP40 - Vetus Plastic Muffler MP40 - Fixed 40mm Inlet - Exhaust Noise Reduction (DEMPMP40)
- MP45 - Vetus Plastic Muffler MP45 - Fixed 45mm Inlet - Exhaust Noise Reduction (DEMPMP45)
- MP50 - Vetus Plastic Muffler MP50 - Fixed 50mm Inlet - Exhaust Noise Reduction (DEMPMP50)
- MP60 - Vetus Plastic Muffler MP60 - Fixed 60mm Inlet - Exhaust Noise Reduction (DEMPMP60)
- MP75 - Vetus Plastic Muffler MP75 - Fixed 75mm Inlet - Exhaust Noise Reduction (DEMPMP75)
- MP90 - Vetus Plastic Muffler MP90 - Fixed 90mm Inlet - Exhaust Noise Reduction (DEMPMP90)
- MP100 - Vetus Plastic Muffler MP100 - Fixed 100mm Inlet - Exhaust Noise Reduction (DEMPMP100)
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