Thermal-Resistant Multi Turn Wave Spring for High-Temperature Control Valves

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Operation Type	Continuous high-temperature operation
Thermal Cycling	Withstands continuous cycling
Free Height	2.0 mm to 150.0 mm
Max Temperature	650°C
Dimensional Tolerance	International spring tolerances
Turn Count	Customizable
Sour Gas Resistance	High resistance to H2S
Sealing Material Compatibility	Graphite, PTFE packing
Material	Inconel X-750, Inconel 718, Nimonic alloys
Load Retention	Resists stress relaxation at high temperatures
Environmental Compliance	Meets strict regulations
Corrosion Resistance	High resistance to H2S, chloride-induced cracking
Thermal Expansion Force	Maintains constant sealing force
Pressure Retention	Maintains constant tension
Chloride Resistance	High resistance to cracking
Elasticity Retention	Resists loss at high temperatures
Spring Type	Multi Turn Wave Spring
Application	Refinery control valves, PRV, pneumatic actuators
Installation	Valve packing boxes, actuator mechanisms
Intergranular Oxidation Resistance	High resistance

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Product Details
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Product Specification


Operation Type	Continuous high-temperature operation	Thermal Cycling	Withstands continuous cycling
Free Height	2.0 mm to 150.0 mm	Max Temperature	650°C
Dimensional Tolerance	International spring tolerances	Turn Count	Customizable
Sour Gas Resistance	High resistance to H2S	Sealing Material Compatibility	Graphite, PTFE packing
Material	Inconel X-750, Inconel 718, Nimonic alloys	Load Retention	Resists stress relaxation at high temperatures
Environmental Compliance	Meets strict regulations	Corrosion Resistance	High resistance to H2S, chloride-induced cracking
Thermal Expansion Force	Maintains constant sealing force	Pressure Retention	Maintains constant tension
Chloride Resistance	High resistance to cracking	Elasticity Retention	Resists loss at high temperatures
Spring Type	Multi Turn Wave Spring	Application	Refinery control valves, PRV, pneumatic actuators
Installation	Valve packing boxes, actuator mechanisms	Intergranular Oxidation Resistance	High resistance
High Light	Thermal Multi Turn Wave Spring ，Valves Multi Turn Wave Spring ，Inconel Multi Turn Wave Spring

Thermal-Resistant Multi Turn Wave Spring for High-Temperature Control Valves

Industrial control valves operating in chemical plants and steam generation systems are subject to continuous thermal cycling and high pressures. Jiangsu Sanzhong Elastic Technology Co., Ltd. offers a premium line of Multi Turn Wave Spring products designed to maintain constant sealing pressure under these demanding conditions. These crest-to-crest flat wire springs fit directly into valve packing boxes and actuator mechanisms, compensating for material relaxation and preventing fugitive emissions.

Thermal Expansion Force
      |  |  |  |
      V  V  V  V
    =====================  <-- Packing Gland Follower
     v v v v v v v v v v
     v v v v v v v v v v    <-- Multi Turn Wave Spring
    =====================  <-- Teflon/Graphite Packing
      |  |  |  |
      V  V  V  V
Constant Sealing Force Retained

Standard carbon steel springs lose their elasticity quickly when exposed to high operating temperatures. Our facility utilizes advanced nickel-chromium superalloys to manufacture wave springs that resist stress relaxation at high temperatures. By maintaining constant tension on graphite or PTFE packing materials, our multi-turn wave springs prevent fluid leakage along the valve stem, helping processing facilities meet strict environmental regulations.

Target Client Applications

Refinery Control Valves: Installed in high-temperature steam, hydrocarbon, and chemical processing valves to maintain stem packing load.
Pressure Relief Valves (PRV): Used as compact internal calibration springs to ensure repeatable opening and closing pressures.
Pneumatic Diaphragm Actuators: Integrated as return springs within compact actuator housings to ensure reliable valve positioning.

Technical Specifications & Product Parameters

Superalloy Options: Inconel X-750 (UNS N07750), Inconel 718, and Nimonic alloys tailored for extreme environments.
Max Temperature Threshold: Capable of continuous operation at temperatures up to +650°C without significant load loss.
Dimensional Conformance: Engineered according to precise customer design specifications and international spring tolerances.
Free Height (L₀) Scope: Fully customizable depending on the required turn count, extending from 2.0 mm up to 150.0 mm.
Corrosion Resistance: High resistance to intergranular oxidation, sour gas (H₂S), and chloride-induced cracking.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer,Exporter,Seller 


Year Established:

2006 


Total Annual:

1.2M-1.4M


Employee Number:

160~200 


Ecer Certification：

Verified Supplier 

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Reach Us
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
No.20, Xinghuo Road, Nanjing High-tech Development Zone
https://www.spring-disc.com/

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