PTFE Packing
Pre-lubed Yarn Packing
- Construction: Multi-Lok Braid
- Features: Unlike other PTFE fluorocarbon filament packing, SEPCO pre-lubricates the yarns to provide a softer, more flexible packing, with improved peripheral speed characteristics and exothermic properties.
- Equipment: Any equipment where braided packing is commonly used.
- Recommended For: The most severe services. All oxidizers and corrosives with one exception: molten alkali metals.
- Limitations: Shaft speeds to 1202 FPM; pH range 0 – 14. Remarks: No glazing at higher speed applications, inert, virtually indestructible lower coefficient of friction, thermal resistance to 500°F/260°C; and high compression strength.
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FDA: Pre-lubed PTFE Yarn Packing
- Construction: Multi-Lok Braid
- Features: Pure PTFE filament lubricated with a proprietary lubricant that satisfies FDA requirements.
- Equipment: Any equipment where braided packing is commonly used.
- Recommended For: Applications in the food processing industry or where an FDA material is required.
- Limitations: Shaft speeds to 1202 FPM; temperatures to 500°F/260°C; pH range 0 – 14.
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Treated PTFE Yarn Packing
- Construction: Multi-Lok Braid
- Features: PTFE fibers are treated with a PTFE dispersion, which fills and seals all interstices in the packing fibers. After braiding, a PTFE coating is applied and the packing is forced air dried. This packing will not wick.
- Equipment: Valves, expansion joints and static applications.
- Recommended For: All severe chemical and corrosive services where an inert packing is essential.
- Limitations: Temperatures to 500°F/260°C; pH range 0 – 14. For static applications.
- Remarks: Excellent valve stem packing for all chemicals and corrosives; inert to all fluids except molten alkali metals.
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