This section is available on request - MAN Diesel & Turbo
This section is available on request - MAN Diesel & Turbo
This section is available on request - MAN Diesel & Turbo
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<strong>MAN</strong> B&W 7.04<br />
Fuel Oil Pipe Insulati<strong>on</strong><br />
Insulati<strong>on</strong> of fuel oil pipes and fuel oil drain pipes<br />
should not be carried out until the piping systems<br />
have been subjected to the pressure tests specified<br />
and approved by the respective classificati<strong>on</strong><br />
society and/or authorities, Fig. 7.04.0 .<br />
The directi<strong>on</strong>s menti<strong>on</strong>ed below include insulati<strong>on</strong><br />
of hot pipes, flanges and valves with a surface<br />
temperature of the complete insulati<strong>on</strong> of maximum<br />
55 °C at a room temperature of maximum 38<br />
°C. As for the choice of material and, if required,<br />
approval for the specific purpose, reference <str<strong>on</strong>g>is</str<strong>on</strong>g><br />
made to the respective classificati<strong>on</strong> society.<br />
Fuel oil pipes<br />
The pipes are to be insulated with 20 mm mineral<br />
wool of minimum 50 kg/m 3 and covered with<br />
glass cloth of minimum 400 g/m 2 .<br />
Fuel oil pipes and heating pipes together<br />
Two or more pipes can be insulated with 30 mm<br />
wired mats of mineral wool of minimum 50 kg/m 3<br />
covered with glass cloth of minimum 400 g/m 2 .<br />
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<strong>MAN</strong> B&W MC/MC�C, ME/ME-C/ME-GI/ME-B engines,<br />
Engine Selecti<strong>on</strong> Guide<br />
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<strong>MAN</strong> <strong>Diesel</strong><br />
Flanges and valves<br />
Page of 3<br />
The flanges and valves are to be insulated by<br />
means of removable pads. Flange and valve pads<br />
are made of glass cloth, minimum 400 g/m 2 ,<br />
c<strong>on</strong>taining mineral wool stuffed to minimum 50<br />
kg/m 3 .<br />
Thickness of the pads to be:<br />
Fuel oil pipes ................................................20 mm<br />
Fuel oil pipes and heating pipes together ....30 mm<br />
The pads are to be fitted so that they lap over the<br />
pipe insulating material by the pad thickness. At<br />
flanged joints, insulating material <strong>on</strong> pipes should<br />
not be fitted closer than corresp<strong>on</strong>ding to the<br />
minimum bolt length.<br />
Mounting<br />
Mounting of the insulati<strong>on</strong> <str<strong>on</strong>g>is</str<strong>on</strong>g> to be carried out in<br />
accordance with the supplier’s instructi<strong>on</strong>s.<br />
Fig. 7.04.01: Details of fuel oil pipes insulati<strong>on</strong>, opti<strong>on</strong>: 4 35 121. Example from 98-50 MC engine<br />
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178 50 65 �0.2<br />
198 40 51�8.3
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