High-performance PTFE ball valve seat rings – by National Fluoromers
| Property | Value |
|---|---|
| Material | Virgin PTFE, Glass-filled PTFE, Carbon PTFE |
| Outer diameter (OD) | 10 mm to 500 mm (custom on request) |
| Inner diameter (ID) | As per ball valve size |
| Thickness | 1 mm to 25 mm |
| Operating temperature | –200°C to +260°C |
| Seat design | Round, profile cut, fire-safe, split ring |
Used extensively in chemical, oil & gas, pharmaceutical, and food-grade systems, our PTFE seat rings provide reliable shut-off with minimal torque and wear.
A PTFE ball valve seat ring is a precision-machined sealing component installed within a ball valve to ensure tight shut-off and facilitate smooth ball rotation. It provides a low-friction, leak-proof interface between the ball and the valve body, even under high pressure, aggressive media, or high temperatures.
Due to PTFE’s self-lubricating and chemically inert properties, it is widely preferred for ball valve seats in high-purity or corrosive fluid systems.
- Superior chemical compatibility: Resistant to most aggressive acids, alkalis, and solvents.
- Low friction operation: Enables smooth rotation of valve ball with minimal torque.
- Thermal stability: Performs consistently from –200°C to +260°C.
- Leak-proof performance: Maintains seal integrity over long cycles.
- FDA-grade available: Suitable for food, water, and pharmaceutical valves.
- Custom designs: Available in full-port, reduced-port, or V-notch valve configurations.
- Eliminates leakage and minimizes wear
- No need for lubrication or frequent maintenance
- Prolongs valve life in abrasive or corrosive conditions
- Custom-fit to valve design with precision tolerances
- Non-stick surface resists fouling and buildup
- Compatible with soft-seated and fire-safe valve designs
- On-off and control valves in chemical processing
- Steam and gas ball valves
- Corrosive media valves in pharmaceuticals and biotech
- Food-grade valves in beverage and dairy industries
- Water treatment and desalination plants
- Marine and offshore ball valves
- Chemicals & petrochemicals
- Food & beverage
- Pharmaceuticals & biotech
- Water & wastewater
- Oil & gas
- Marine & power plants
- Pulp & paper
- General industrial process equipment
- Expert CNC machining for perfect sealing and alignment
- Custom-made rings based on valve brand, design, or drawing
- Choice of virgin or filled PTFE grades for specific conditions
- High-volume production capabilities with tight QA control
- Responsive customer support and fast dispatch
- Supplied as individual seat rings or complete valve seat sets
- Available with surface finish options (smooth, grooved, mirror)
- Supplied in cleanroom-ready packaging on request
- Bulk or OEM supply supported
Send us your valve specifications or samples – we will provide a perfect-fit PTFE seat solution.
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