Manufacturer of Turbine Components

Manufactures various types of steam turbines ranging from 5MW - 50MW,including condensing, backpressure, and extraction-condensing designs


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Steam Seal Spring

Should you require our products or services, please feel free to contact us at any time. Our entire team is committed to serving you wholeheartedly.

Category:

Gland Ring

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Product Introduction

1. Steam turbine steam seal springs are critical components of the steam sealing system, primarily serving the following functions:

1) Maintaining standard clearance: Elastically presses the steam seal arc blocks toward the rotor shaft centerline to ensure clearance between moving and stationary parts meets design specifications.

2) Friction protection: When the steam seal blocks contact the rotor, the spring plates reduce friction pressure through elastic deflection, preventing thermal bending of the main shaft.

 

2. Common Materials:

1) 65Mn Spring Steel: High-carbon steel offering high hardness and wear resistance, suitable for general operating conditions.

2) 30W4Cr2VA Heat-Resistant Spring Steel: Contains tungsten, chromium, and vanadium for high-temperature resistance (≤500°C), specifically designed for high-temperature components like turbine steam seals.

‌Stainless steel (e.g., 3Cr13): Martensitic stainless steel with corrosion resistance, requiring quenching + high-temperature tempering treatment.

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Sophia Sun

E-mail:sophia@qdczpower.com

WhatsApp:+86-16653227817

Phone/Wechat:+86-16653227817





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