Product Application Range
● Inner diameter size ≤2500mm for Turbine Seal Rings
Professional Advantages
- Comprehensive range of raw materials, such as 1Cr13, 15CrMoA, X20Cr13, etc.
- Full traceability across raw materials, heat treatment, production processing, and inspection stages, ensuring 100% qualified product quality. Precision machining effectively reduces steam leakage during turbine operation in **Turbine Seal Rings.
Key Clients
● GE (USA), Alstom, Northern Heavy Industries Group, Southern Machinery Group, Jidian Equipment Factory.
Features and Advantages
Precision machining to ensure sealing clearance.
Labyrinth structure to minimize leakage.
Support for customized sizes.
Material and Specifications
- Common materials: Stainless steel, Nickel-based alloys.
Manufacturing Process
- CNC turning and precision grinding.
- Comprehensive quality inspection throughout the process.
Standards
- ISO 9001 International Quality System.
- Compatible with Siemens turbine systems.
Installation Location and Function
1
Installed around the rotor journal.
2
Prevents high-pressure section steam from leaking into the low-pressure area.
3
Works in conjunction with the seal body to form a complete sealing system.
Application Fields
- Thermal power plants.
- Nuclear power plants.
- Independent power plants (IPPs).
Usual Material and Specification for Seal ring
|
Category |
Material | Steam Seal Specification (mm) | |
| Alloy Steel | 15CrMoA | ≤Φ3000 | |
|
Alloy Steel |
15CrMoA | ≤Φ3000 | |
| Alloy Steel | ST330 | ≤Φ3000 | |
| Alloy Steel | 10CrMo910 | ≤Φ3000 | |
| Alloy Steel | 12Cr2Mo1 | ≤Φ3000 | |
| Alloy Steel | 12Cr1MoVA | ≤Φ3000 | |
| Alloy Steel | ST12T | ≤Φ3000 | |
| Stainless Steel | X06Cr13 | ≤Φ3000 | Heat-resistance |
| Stainless Steel | 1Cr13 | ≤Φ3000 | Heat-resistance |
| Stainless Steel | X22CrMoV12-1 | ≤Φ3000 | Heat-resistance |
|
Stainless Steel |
PS 091 | ≤Φ3000 | Heat-resistance |
| Copper Alloy | ZSn6-6-3 | ≤Φ3000 | |
Hot Tags: steam seal ring, China steam seal ring



