PTFE, RPTFE, PEEK Devlon, and SS 316 Rings

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These industrial rings — made from PTFE, RPTFE, PEEK, Devlon, and SS316 — are critical components in mechanical systems where reliability, resistance to harsh environments, and precision engineering are required. Each material offers unique advantages. PTFE and RPTFE are ideal for chemical resistance and low friction applications, commonly used in valve seats and seals. PEEK, known for its high-performance thermoplastic properties, is suitable for high-pressure and high-temperature environments such as chemical pumps and aerospace components. Devlon, a modified polyamide (nylon), offers high impact strength and dimensional stability, making it suitable for water-based and offshore applications. SS316, a molybdenum-bearing stainless steel, provides outstanding corrosion resistance and mechanical durability in marine and acidic environments.

  • Additional Information

    ✅ Purpose & Application:

    These rings are precision-engineered components used across a wide range of industrial and mechanical systems. Their primary functions include:


    Sealing (to prevent leakage of fluids or gases)

    Insulation (thermal and chemical)

    Support (as spacers, bushings, or backing rings)

    Wear resistance (acting as liners or protective surfaces)


    🏭 Industries Served

    Oil & Gas:


    Petrochemical

    Water Treatment

    Power Generation

    Chemical Processing

    Marine & Aerospace

    Food and Pharma (with PTFE and SS316)


    ⚙️ Key Product Characteristics:


    High Chemical Resistance (especially PTFE, RPTFE, PEEK)

    Thermal Stability (from cryogenic to 300°C+)

    Mechanical Strength (PEEK and SS316 are highly durable)

    Wear Resistance (RPTFE, Devlon, PEEK perform well under stress)

    Low Friction & Self-lubricating (PTFE, RPTFE)

    Corrosion Resistance (SS316, PTFE-based materials)


    📦 Common Forms: 


    Valve Seats

    Backup Rings

    Spacer Rings

    Wear Rings

    Sealing Rings

    Insulating Bushes

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