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Kevlar Gland Packing For Extreme Durability

PTFE Packing
January 05, 2026
Category Connection: PTFE Packing
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Tags:
#ptfe packing material #ptfe graphite packing #graphite rope packing
Brief: Let’s dive in — see this solution in action and notice the key moments. This video provides a comprehensive walkthrough of Kevlar Gland Packing, demonstrating its exceptional chemical resistance and abrasion protection in demanding industrial applications. You'll see how this high-performance mechanical sealant is installed and operates in equipment like pumps and valves, learn about its critical break-in procedure, and discover why it's the optimal replacement for asbestos-based packings.
Related Product Features:
  • Constructed with a durable lattice braid structure for superior mechanical strength and resilience.
  • Offers excellent chemical resistance across a wide pH range of 0-14, suitable for various aggressive media.
  • Provides outstanding abrasion resistance, extending service life in applications with slurries and suspended solids.
  • Operates effectively across a broad temperature range from -200°C to +260°C for high-temperature applications.
  • Features non-sparking properties for safe use in explosive or flammable atmospheres.
  • Available in FDA grade quality, ensuring non-toxic performance for sensitive applications.
  • Impregnated with PTFE or graphite for enhanced lubricity and reduced shaft wear.
  • Delivers reliable sealing performance with working pressures ranging from 2-20 MPa.
FAQs:
  • What makes Kevlar gland packing suitable for abrasive applications?
    Kevlar gland packing offers exceptional abrasion resistance due to its high tensile strength, which is about five times that of steel by weight. This makes it highly resistant to wear from shaft movement and extrusion under pressure, ensuring a longer service life in abrasive services like slurries or fluids with suspended solids.
  • Can Kevlar gland packing handle high-temperature environments?
    Yes, Kevlar gland packing is designed for high-temperature performance, operating continuously at temperatures up to 288°C (550°F) with short-term spikes up to 427°C (800°F). This makes it ideal for applications involving hot water, steam, heat transfer fluids, and other high-temperature processes.
  • Is Kevlar gland packing a safe replacement for asbestos-based packings?
    Absolutely. Kevlar gland packing is a direct and superior replacement for older asbestos-based packings. It is non-toxic, non-sparking for hazardous areas, and offers enhanced strength, thermal stability, and chemical resistance without the health risks associated with asbestos.
  • What is the proper break-in procedure for Kevlar gland packing?
    The break-in procedure is critical for optimal performance. After installation, start the equipment and gradually tighten the gland follower in small increments every 10-20 minutes. Allow a slight weep of fluid for cooling and lubrication, and avoid overtightening to prevent excessive friction heat that could damage the packing and shaft.
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