Key Features & Advantages

Our Casting Turbine Diaphragm is specifically designed for low-pressure applications in wet steam environments, offering exceptional stability and cost-effectiveness.

Integral Casting for Stable Structure:

Utilizing high-standard precision casting technology, the structure is robust and stable, eliminating the joint leakage risks associated with traditional split diaphragms. This ensures more stable operational performance and enhanced longevity.

Superior Resistance to Wet Steam Corrosion:

Select optimized alloy materials undergo special surface treatment to effectively resist wet steam corrosion and erosion, making them ideal for the demanding environment of Low-Pressure Sections.

Cost-Effective Manufacturing:

The streamlined production process combines casting with high-precision machining. This achieves high material utilization and competitive manufacturing costs while ensuring the product meets high-quality tolerances.

Materials & Technical Specifications

We adhere to strict international standards for material selection and manufacturing, ensuring our products meet rigorous operating requirements.

Common Materials

Casting Steel Grade	ST460TS
Bolts and Fasteners	ASME SA194 Grade 3 or customized according to client requirements.
Material Certification	Complete MTC (Material Test Certificate) can be provided to ensure full material traceability.

Key Specifications

Applicable Temperature	Typically below 250°C (Suitable for low-pressure cylinder diaphragms).
Pressure Rating	Designed specifically for low-pressure and medium-low pressure applications.
Tolerance Standard	Strict adherence to industry standards such as ISO / ASME / GB.

Manufacturing Process & Quality Control

We employ an integrated manufacturing process and a stringent quality control system to ensure every turbine diaphragm meets the highest standards.

Manufacturing Process

Casting:

Utilizing advanced casting technology, the diaphragm flow paths and contours are formed in a single process, optimizing the internal structure.

Precision Machining:

High-precision CNC equipment is used to machine mating surfaces, ensuring dimensional accuracy according to customer drawings.

Heat Treatment:

Necessary heat treatment processes are conducted to eliminate internal stress and enhance the material's mechanical properties.

Dimensional Inspection:

Comprehensive dimensional inspection is performed after the machining process.

Quality Control

Raw Material Traceability

Incoming Material Inspection

Complete Test Equipment**: Including CMM (Coordinate Measuring Machine) and Ultrasonic Testing (UT) equipment.

Finished Product Inspection / Quality Traceability

Applications For Casting Turbine Diaphragm

Our Casting Turbine Diaphragm is widely used in energy projects demanding high reliability and longevity.

Nuclear Power Plants	Waste-to-Energy Plants	Industrial CHP Plants
Providing high-stability turbine diaphragms for low-pressure cylinders.	Offering corrosion-resistant turbine diaphragm solutions for challenging media.	Supporting stable steam and power generation for industrial needs.

Core Services & Qualification

Service	Quality Control	Certification	OEM Equivalent Experience
Light Customization	Raw Material Traceability	ISO 9001	GE
Drawing-Based Customization	Finished Product Inspection	ISO 14001	Mitsubishi
Overseas After-Sales	Complete Test Equipment	ISO 45001	Siemens
Sample-Based Customization	Incoming Material Inspection	Inspector ISO9712/EN473 GB Certificate	Alstom
On-Demand Customization	Quality Traceability

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