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Callesen 427 jacketed fuel injection...
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Callesen 427 jacketed fuel injection pipe
Manufacturer | Callesen |
Model | 427 |
Fuel Type | Diesel |
Callesen 427 double walled fuel injection pipe
Callesen 427 fuel line
A jacketed fuel injection pipe (also known as double walled, twin walled or sheathed fuel injection pipe) is a special type of fuel injection pipe fitted to diesel engines.
The pipe incorporates an outer jacket that shrouds the inner high pressure pipe. This jacket is usually metallic in construction and can either be a thin walled tube or convoluted hose. In the event of a burst in the injection pipe the leaking fuel will be collected by the jacket and piped away safely to an alarm device to notify operators of a potential problem.
Jacket fuel lines are found predominately in marine applications.
Legislation
In 1994 the International Maritime Organization required all ships subject to SOLAS to be fitted with jacketed fuel lines.
External high-pressure fuel delivery lines between the high-pressure fuel pumps and fuel injectors shall be protected with a jacketed piping system capable of containing fuel from a high-pressure line failure. A jacketed pipe incorporates an outer pipe into which the high-pressure fuel pipe is placed, forming a permanent assembly. The jacketed piping system shall include a means for collection of leakages and arrangements shall be provided with an alarm in case of a fuel line failure.
— IMO, Resolution MSC.31(63), 1994[1]
Callesen 427 jacketed fuel injection pipe
Callesen 427 double walled fuel injection pipe
Callesen 427 twin walled fuel injection pipe
Callesen 427 sheathed fuel injection pipe