PTFE ENVELOPED GASKET IN DUBAI U.A.E

PTFE Cushioned Gasket (Enveloped Gasket)

📦 Product Description:

The PTFE Cushioned Gasket, also known as an Enveloped Gasket, is designed for high-purity, corrosive, and hygienic applications. It combines the chemical resistance of PTFE with the resilience of a soft core (rubber, CNAF, or expanded graphite), providing an effective seal under a wide range of pressures and temperatures.

⚙️ Construction & Types:

  • Envelope (Outer Layer): Virgin PTFE or Modified PTFE

  • Cushion/Core Materials:

    • EPDM / NBR / Silicone Rubber

    • CNAF (Compressed Non-Asbestos Fibre)

    • Expanded Graphite

  • Types:

    • Slit (U-type) envelope

    • Milled (Machined) envelope

📐 Technical Specifications:

Property Specification
Size Range DN 15 to DN 600 (½” to 24″)
Thickness 3 mm to 5 mm standard (custom on request)
Temperature Range -200°C to +260°C (depending on core)
Pressure Rating Up to 40 bar (PN40)
pH Range 0 to 14 – Universal chemical resistance
Standards ASME B16.21 / DIN 2690 / EN 1514

✅ Applications:

  • 🧫 Pharmaceutical & Biotech

  • 🏭 Chemical Processing Plants

  • 🍺 Food & Beverage Lines

  • 🌡️ Steam, Acid, and Alkaline Pipelines

🖼️ Conceptual Drawing (Side View):

scss
╔════════════════════════╗
║ PTFE Layer ║ ← Outer envelope (U or Milled type)
║ ║
║ ┌───────────────┐ ║
║ │ Core (CNAF │ ║
║ │ or Rubber) │ ║
║ └───────────────┘ ║
╚════════════════════════╝

Use actual CAD drawings for production or datasheet formats.

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