Operation Manual / Power2 340-H / Low-pressure stage
2 Safety / 2.6 Deflagration on gas engines
© Copyright 2022 ABB. All rights reserved. HZTL4053_EN Rev.F March 2022
Perfect condition
The Power2 must be used in a technically perfect condition and in compliance with its inten-
ded use.
Turbo Systems excludes any liability for damage resulting from unauthorized modifications
to the Power2 or improper operation.
2.6 Deflagration on gas engines
Low-pressure stages from Turbo Systems can tolerate a deflagration with a transient pres-
sure increase of 12bar (guideline value).
High-pressure stages from Turbo Systems can tolerate a deflagration with a transient pres-
sure increase of 15bar (guideline value).
After a deflagration event, Turbo Systems recommends verifying the following points on the
low-pressure and high-pressure stages:
¡ Position of the turbine and compressor casings to the bearing casing
¡ Shifting of the bearing casing in relation to the bracket
¡ Cracks in casings
If during external inspection anomalies are found or if a particularly strong deflagration
event has taken place, it is also recommended to check the bearings of the low-pressure and
high-pressure stages before the next start. This inspection and evaluation must be carried
out by a Turbo Systems service station.
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