What may be used to protect starting air mains against explosions arising from improperly functioning starting valves?

Question

Accepted Answer

An isolation non-return valve is to be installed at the starting air supply connection to each engine.

Answer

The starting air main shall be protected by the use of a rupture disc.

Answer

No protection is necessary because all starting air valves are designed similar to check valves.

Answer

The materials used in the construction of the starting air mains will contain any explosion.

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