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Help CenterHigh Temperature Rubber Seals | Custom Valve & Pipeline Gaskets | Xi'an Chris
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High Temperature Rubber Seals
Severe Thermal Stability & High-Pressure Fluid Containment
XI'AN CHRIS NEW MATERIALS CO., LTD. engineers and manufactures professional-grade High Temperature Rubber Seals designed for extreme thermal systems, high-pressure pipeline equipment, industrial valves, and critical petrochemical machinery. In severe-service high-temperature applications, sealing materials must maintain structural elasticity, high tensile strength, and absolute chemical stability to prevent fugitive emissions.
Our advanced elastomeric solutions are formulated to minimize compression set and resist thermal hardening, ensuring long-term systemic reliability in demanding industrial environments.
Key Engineering Advantages
Exceptional Thermal Retainability
Engineered to withstand prolonged continuous exposure to elevated thermal zones without polymer cross-linking degradation or hardening.
Elite Chemical & Media Resistance
Resists swelling and chemical attack when exposed to superheated steam, corrosive hydrocarbons, sour gas ($H_2S$), and aggressive industrial solvents.
Optimized Compression Set Resistance
Maintains robust sealing force and mechanical memory over extended operational cycles under high mechanical loads.
Extrusion & Friction Mitigation
Specially compounded matrices allow the seals to bridge high mechanical clearances without nibbling or tearing under high-temperature pipeline pulsations.
Material Engineering Matrix & Operating Parameters
Material Configuration |
Hardness Range |
Continuous Temperature Range |
Peak Temperature Threshold |
Primary Media Compatibility |
FKM (Fluoroelastomer) |
60 - 90 Shore A |
-20°C to +220°C |
+250°C |
Petroleum oils, synthetic lubricants, fuels, organic solvents, mineral acids |
Silicone Rubber (VMQ) |
40 - 80 Shore A |
-60°C to +230°C |
+280°C |
Saturated steam (low pressure), hot air, ozone, oxygen, animal/vegetable oils |
PTFE (Fluoroplastic)* |
55 - 65 Shore D |
-200°C to +260°C |
+300°C |
Universal chemical resistance, strong acids, alkalis, aggressive process solvents |
*Note: PTFE is used in compound or spring-energized configurations for absolute seal integrity in extreme thermal and chemical conditions.
Critical Application Environments
High Temperature Valves
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Industrial Control & Isolation Valves: Stem packings, bonnet gaskets, and seat seals in oil & gas pipelines for bubble-tight isolation.
API 600 / ASME B16.34 Compliant Valves: Tailored profiles for standard industrial gate, globe, and ball valve housings.
·
Pipeline Systems
·
Midstream & Downstream Processing: Flange gaskets and wafer seals for high-temperature crude, refined products, and process gases.
·
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Thermal Expansion Joints: Elastomeric elements compensate for pipeline mechanical and thermal movements.
·
Petrochemical Equipment
·
Reactors, Pumps & Compressors: High-performance dynamic and static seals for high-heat processing vessels, ensuring fluid containment and process isolation.
·
Technical FAQ for Design Engineers & Procurement
What material is best for high temperature rubber seals?
FKM is ideal for high-temperature hydrocarbons and chemical exposure up to +220°C. Silicone provides thermal stability up to +230°C for less chemically aggressive applications. PTFE or spring-energized polymers offer universal chemical resistance at extreme thermal ranges.
How does high temperature affect standard rubber seals over time?
Standard elastomers degrade through hardening, cracking, and loss of elasticity (high compression set), resulting in fluid bypass and leakage. High Temperature Rubber Seals from Xi'an Chris are cross-linked to prevent this failure mechanism.
Can these seals withstand rapid thermal cycling and decompression?
Yes. AED (Anti-Explosive Decompression) and RGD (Rapid Gas Decompression) compliant FKM compounds prevent structural tearing under rapid gas expansion.
What quality certifications are available?
Xi'an Chris provides Material Test Reports (MTRs) including durometer hardness, tensile properties, heat aging, and environmental compliance (RoHS, REACH) for procurement verification.
Conclusion & About the Supplier
High Temperature Rubber Seals are essential for safety, emission prevention, and long-term reliability in high-thermal industrial systems. Xi'an Chris delivers precision-engineered, high-performance sealing solutions that minimize downtime and protect critical automated instrumentation.
By combining advanced polymer science with rigorous batch testing, Xi'an Chris ensures elite-tier containment for heavy industrial operations worldwide.
Contact our engineering team today for custom compounding, valve CAD reviews, or direct project RFQs.
Send Inquiry to This Supplier
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