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Our custom-built Diaphragm Carrier Ring is a core stationary component for steam turbines, designed to hold and support multi-stage turbine diaphragms inside the turbine casing. Manufactured per customer drawings, technical specifications and operating-condition requirements, this heavy-duty cast-alloy housing delivers stable positioning for diaphragm assemblies, optimizes steam flow layout, shortens turbine axial dimension, and simplifies on-site assembly & disassembly procedures.
Widely deployed for HP, IP and LP sections of utility power-plant turbines, industrial steam turbines, retrofit & replacement projects for both new-build and overhaul units.
Key Functions
Secure mounting and precise positioning for multi-stage turbine diaphragms inside turbine casing
Isolate steam chambers between adjacent stages, minimize inter-stage steam leakage
Decouple diaphragm layout from casing extraction openings, allowing compact axial design of turbine modules
Compensate for thermal expansion under high-temperature working conditions, maintain concentricity between diaphragms and rotor during long-term operation
Enable modular removal of diaphragm stacks, greatly shortening unit outage & maintenance duration
Customization Capabilities
Drawing-oriented ODM & OEM service: Fully custom per client drawings, 3D models or performance parameters
Material selection: Heat-resistant cast alloy steel ZG15Cr2Mo1, ZG15Cr1Mo1V, ZG06Cr13Ni4Mo and other turbine-grade casting materials
Dimension range: Wide size & weight coverage, from small-medium industrial turbine sets up to large utility-scale turbine units
Retrofitting, upgrade and spare-part replacement for existing turbine fleets
Quality & Delivery
All components comply with international power-equipment standards. We provide complete material certificates, heat-treatment records, NDT inspection reports and dimensional inspection documents. Accept third-party witness inspection. Flexible packaging for heavy-duty over-size cast-machined parts for sea-land transportation.
