In industrial environments where highly corrosive or aggressive media are handled, traditional metal valves often fail prematurely. This is where PTFE and PFA lined plug valves emerge as ideal solutions. Engineered to withstand harsh chemicals and extreme temperatures, these lined valves are widely used across industries like chemical processing, pharmaceuticals, water treatment, and mining.
Designed with precision and lined with chemically resistant fluoropolymers, these valves offer long-lasting performance, safety, and zero-leakage reliability.
What are PTFE and PFA Lined Plug Valves?
PTFE (Polytetrafluoroethylene) and PFA (Perfluoroalkoxy) are high-performance fluoropolymers known for their exceptional resistance to chemicals, heat, and friction. In lined plug valves, these materials form an internal barrier between the process media and the metal valve body.
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PTFE Lined Plug Valves: Economical choice for general-purpose corrosive fluids.
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PFA Lined Plug Valves: Ideal for high-purity applications and higher temperature tolerance.
Key Features and Benefits
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Corrosion Resistance: Handles acids, alkalis, solvents, chlorine, and other aggressive media.
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Bubble-tight Shut-off: Prevents leaks even under high pressure.
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Non-stick Surface: Eliminates scaling and residue build-up inside the valve.
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Smooth Bore Design: Ensures low pressure drop and laminar flow.
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Fire-safe Options Available: Enhances plant safety in hazardous zones.
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Maintenance-Free Operation: No need for lubrication due to the self-lubricating sleeve.
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Blow-out Proof Stem Design: Ensures safety and reliability during operation.
Design Versatility
PTFE and PFA lined plug valves are available in a range of:
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Sizes: From 15 mm to 300 mm
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End Connections: Flanged, threaded, or customized
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Pressure Ratings: Typically up to PN 16 or ANSI 150
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Actuation Options: Manual, pneumatic, or electric
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Conclusion
Whether you need chemical resistance, tight shut-off, or process purity, PTFE and PFA lined plug valves provide the ideal solution for critical flow control. Their innovative design and outstanding performance make them a long-term asset for a range of demanding industrial applications.
Freture Techno Pvt. Ltd., a leading PTFE and PFA lined plug valve manufacturer in India, delivers robust and customizable valve solutions that exceed industry standards for safety and performance.
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