EQUIPMENT AND CASES
Atlas GT063
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Atlas GT063


Atlas GT063

Each blade on the near-inlet side of the first-stage impeller shows similar fatigue-induced, dark-colored cracks approximately 10 mm long.

U.S.-made GE Compressor SRL601
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

U.S.-made GE Compressor SRL601


U.S.-made GE Compressor SRL601

The unit control system experienced extremely low oil pressure, excessively high bearing temperatures, and elevated rotor vibration levels—leading to severe wear in the unit's transmission components, bearings, oil-gas seals, and other critical parts. Additionally, noticeable wear was observed on the impeller's pressure angle.

Ingersoll-Rand 3MSGEP+25/15
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Ingersoll-Rand 3MSGEP+25/15


Ingersoll-Rand 3MSGEP+25/15

Control System Upgrade

Atlas 3P-10/6/6/6
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Atlas 3P-10/6/6/6


Atlas 3P-10/6/6/6

Starting in May 2024, the thrust face temperature of the booster unit’s third-stage thrust bearing has been steadily rising, reaching as high as 104°C by June 2025. Additionally, surge phenomena have occurred intermittently over the past two years.

Atlas GT123L3K1
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Atlas GT123L3K1


Atlas GT123L3K1

At the beginning of 2025, the manufacturer discovered similar fatigue-induced dark cracks, each approximately 10 mm long, on the near-inlet side of every blade in the first-stage impeller.

Ingersoll-Rand 4R2MSGE-16RC/15
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Ingersoll-Rand 4R2MSGE-16RC/15


Ingersoll-Rand 4R2MSGE-16RC/15

Axis vibrations at stages 1, 2 and 4 were abnormally high, reaching up to 36 microns. Meanwhile, the oil temperature soared to 65.7°C (exceeding the normal range).

Hitachi Reciprocating Compressor POB-CH
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Hitachi Reciprocating Compressor POB-CH


Hitachi Reciprocating Compressor POB-CH

On May 21, 2025, after a routine shutdown, the system experienced an overload trip upon restart on May 23. The motor failed to rotate. Upon inspecting the starter cabinet, it was discovered that the thyristor had burned out. After replacing the thyristor

Siemens GV16
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Siemens GV16


Siemens GV16

High bearing temperature at the load end of the drive shaft

ACD Expander TC-4000
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

ACD Expander TC-4000


ACD Expander TC-4000

During startup, excessive vibration triggers a shutdown.

Siemens GV10
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Siemens GV10


Siemens GV10

Commissioning test run completed successfully—vibration levels in both stages remain below 15 microns, and surge phenomena have been eliminated.

Atlas ZH630
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Atlas ZH630


Atlas ZH630

Equipment surge, cooler with poor cooling performance

Ingersoll-Rand 4R2MSGEP+ 3ARCD/30
RoyalTurbo Engineering (Hangzhou) Co., Ltd.

Ingersoll-Rand 4R2MSGEP+ 3ARCD/30


Ingersoll-Rand 4R2MSGEP+ 3ARCD/30

Multiple alarms were triggered during operation, including high-temperature warnings and excessive vibration faults.

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