● If not otherwise instructed, bolts are to be tightened crosswise in several stages
● Painting of flexible elements is not allowed
● Rubber bellows must be kept clean from oil and fuel
● The piping must be rigidly supported close to the flexible piping connections.
Fig 5-1 Flexible hoses
NOTE
Pressurized flexible connections carrying flammable fluids or compressed air have
to be type approved.
5.9 Clamping of pipes
It is very important to fix the pipes to rigid structures next to flexible pipe connections in order
to prevent damage caused by vibration. The following guidelines should be applied:
● Pipe clamps and supports next to the engine must be very rigid and welded to the steel
structure of the foundation.
5-6 DAAB605814
Wärtsilä 46F Product Guide5. Piping Design, Treatment and Installation
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