Corrosion-Resistant High-Temperature Inconel 718 Belleville Washer for Marine & Petrochemical Applications
Product Details
| Material Composition: | Inconel 718 / X-750 (Nickel-Chromium Superalloy) | Outer Diameter Range: | 6.0 Mm To 600.0 Mm |
|---|---|---|---|
| Thickness Range: | 0.2 Mm To 40.0 Mm | Operating Temperature: | -200°C To +650°C |
| Surface Finish: | Mechanical Cleaning, Shot Peening, Passivation Treatments | Dimensional Standards: | DIN 2093, DIN 6796 |
| Material Options: | Inconel 718 (UNS N07718), Inconel X-750 (UNS N07718), Inconel 625 (UNS N06625) | Primary Function: | Thermal Expansion Compensation & Bolt Load Retention |
| Elastic Force: | Predictable Over Extended Operational Life | Load Distribution: | Uniform |
| Structural Stability: | High-stress Configurations | Spring Rate: | High-stiffness |
| Thermal Cycling: | Compensates For Expansion/contraction | Mechanical Vibration: | Resistant |
| Bolt Load Retention: | Effective | Joint Loosening: | Prevents |
| Maintenance Intervals: | Minimized | Stress Relaxation: | Reduced At High Temperatures |
| Fatigue Life: | Enhanced With Shot Peening | Customizable Sizing: | Available |
| Highlight |
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Product Description
In extreme industrial processing environments, maintaining a secure bolt load on valve glands and piping flanges is a constant challenge. Thermal cycling and mechanical vibration frequently lead to bolt relaxation, resulting in hazardous fugitive emissions and expensive system downtime.
To counter these issues, Jiangsu Sanzhong Elastic Technology Co., Ltd. offers the precision-engineered Inconel Belleville Washer. This premium hardware component is specifically designed to deliver a high-stiffness spring rate within restricted spaces, effectively compensating for thermal expansion and contraction while preserving the integrity of critical bolted connections.
Our Inconel Belleville washers are manufactured utilizing premium-grade superalloys, ensuring structural stability under high-stress configurations. Unlike standard carbon steel or basic stainless steel alternatives that suffer from rapid stress relaxation at high temperatures, our product line maintains an exact, predictable elastic force over an extended operational life.
By incorporating these washers into industrial valve assemblies, facilities can achieve uniform load distribution, prevent joint loosening, and minimize maintenance intervals.
- Petrochemical Refineries: Applied to high-temperature piping flanges, heat exchangers, and distillation column manways to eliminate joint leakage.
- Industrial Valve Manufacturing: Integrated directly into control valves, globe valves, and gate valve packing glands to maintain optimal sealing pressure.
- Power Generation Facilities: Deployed within high-pressure steam line connections and turbine casing joints exposed to persistent thermal cycling.
| Available Materials | Inconel 718 (UNS N07718), Inconel X-750 (UNS N07718), Inconel 625 (UNS N06625) |
|---|---|
| Dimensional Standards | Manufactured in compliance with DIN 2093 and DIN 6796 standards; fully customizable sizing available |
| Outer Diameter (OD) Range | 6.0 mm to 600.0 mm |
| Thickness (t) Range | 0.2 mm to 40.0 mm |
| Operating Temperature Threshold | Reliable performance from -200°C up to +650°C |
| Surface Finish Options | Mechanical cleaning, shot peening for enhanced fatigue life, or customized passivation treatments |
Product Highlights
Inconel Belleville washers resist severe corrosion in offshore & petrochemical environments. Maintain bolt load from -200°C to +650°C, preventing joint leakage in valves & flanges. DIN standard & custom sizes available.
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