Manufacturer of Turbine Components
Manufactures various types of steam turbines ranging from 5MW - 50MW,including condensing, backpressure, and extraction-condensing designs
Cover Cap (Lock Nut)
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Category:
Automatic Main Steam Valve
key word:
Product Introduction
The steam turbine main steam valve disc gland (referred to as the disc gland) is a clamping and fastening component installed at the junction of the valve disc and valve stem. As a critical auxiliary part of the main steam valve's internal transmission structure, its assembly precision and structural strength directly affect the synchronous movement of the disc, sealing stability, and vibration resistance, making it an essential component for ensuring reliable opening and closing of the main steam valve.
1. Main Functions:
1. Disc fastening and power transmission.
2. Aligning the coaxiality of the stem and disc to prevent disc misalignment.
3. Sealing protection against medium erosion.
4. Buffering vibration and absorbing impact loads.
2. Common Faults:
1. Loss of preload and gland loosening.
2. Gland deformation.
3. Seal failure.
4. Erosion and wear of the gland.
5. Bore deformation of the gland or jamming between the gland structure and the stem.
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A production-oriented enterprise specializing in the processing, production, and research and development of steam turbine components