
Radial Labyrinth Seal
The Radial Labyrinth Seal is one of our most versatile and widely used products. Its simple principle—machined teeth forming small cavities with the rotor—reduces steam pressure step by step, using up energy efficiently. For wholesalers, it’s a solid choice for high-volume sales because it fits many turbine applications and is easily accepted by customers.
- Product Introduction
Technical Parameters
|
Parameter |
Value |
|
Product Name |
Radial Labyrinth Seal |
|
Applicable Medium |
Saturated steam, superheated steam |
|
Operating Temperature |
-40°C – 650°C |
|
Operating Pressure |
≤ 12 MPa |
|
Body Material |
2Cr13, 304, 316, superalloy |
|
Number of Teeth |
3 – 18 stages |
|
Tooth Tip Thickness |
0.2 – 0.8 mm |
|
Radial Design Gap |
0.30 – 1.50 mm |
|
Structural Types |
Straight tooth, stepped tooth, slanted tooth, floating type |
|
Service Life |
3 – 6 years continuous operation |
Why Choose Our Radial Labyrinth Seal?
1. Simple and Reliable for High-Volume Sales
The Radial Labyrinth Seal is one of our most versatile and widely used products. Its simple principle-machined teeth forming small cavities with the rotor-reduces steam pressure step by step, using up energy efficiently. For wholesalers, it's a solid choice for high-volume sales because it fits many turbine applications and is easily accepted by customers.


2. Versatile for Many Turbine Locations
This seal works across turbine parts, including diaphragms, shaft ends, and blade tips. It handles high, medium, and low-pressure conditions and operates reliably from -40°C to 650°C and up to 12 MPa. Customers can install it directly, or later upgrade to a floating design with spring support for adjustable performance-a simple upsell opportunity.
3. Precision Manufacturing from a Certified Supplier
Our Radial Labyrinth Seal is produced under strict quality control and ISO-certified processes. Precision CNC machining ensures uniform teeth and consistent gaps. Materials are selected for high-temperature and fatigue resistance. Over 200 successful applications in China prove its reliability.

FAQ
Q: Is installation difficult?
A: No. It fits standard turbine spaces with no special tools required. Service life is 3 – 6 years, making it a dependable base product for any catalog.
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