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Operation Manual / Power2 800-M / 2 Safety
1 Safety / 1.6 Deflagration on gas engines
1.6
Deflagration on gas engines
Low-pressure stages from ABB Turbo Systems can tolerate a deflagration with a transient
pressure increase of 12 bar (guideline value).
High-pressure stages from ABB Turbo Systems can tolerate a deflagration with a transient
pressure increase of 15 bar (guideline value).
After a deflagration event ABB 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 an ABB Turbocharging Service Station.
© Copyright 2019 ABB. All rights reserved.
HZTL4025_EN
Rev.B
November 2019
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