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Flowserve Limitorque QX Maintenance And Spare Parts

Flowserve Limitorque QX
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Limitorque QX Electronic Actuator FCD LMENIM3314-01 – 06/18
76
8.2 Recommended Spare Parts for QX Actuators
8.2.1 Commissioning and Startup
No additional spare parts are required. All necessary spares are included in the end-user bag.
8.2.2 Short-Term Duty
This is defined as up to 5000 seats or up to 1 million drive sleeve operations, whichever occurs first. There are no
spare parts required for the actuator during short-term duty.
8.2.3 Long-Term Duty
This is defined as service beyond short-term duty but less than 10,000 seats and less than 1.5 million drive sleeve
operations. The spares suggested for long-term duty are as follows:
Quad rings at the top and bottom of the drive sleeve
Drive sleeve assembly, which includes the worm gear
Wormshaft assembly
Encoder cartridge assembly
Motor assembly
Fuse (Controls, quantity 1)
Fuses (Power, quantity 2)
Encoder assembly
Motor controller board
Control module (includes PCB-power, main, CP, and optional DDC and I/O boards)
Bronze stem nut for thrust base (multi-turn QXs only)
NOTE: Oil should be changed every 10,000 seats or sooner if the oil has been contaminated with water or
other foreign material.
8.2.4 Severe Duty
This is defined as open/close service when run loads exceed 50% of the unit rating. This also includes
all modulating applications.
NOTE: Oil should be changed every 5000 seats for open/close service, or sooner if the oil has been contaminated.
The spares suggested for severe duty are identical to the long-term duty spares.

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Flowserve Limitorque QX Specifications

General IconGeneral
BrandFlowserve
ModelLimitorque QX
CategoryController
LanguageEnglish

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