Custom PTFE Seals and CNC Machined Sealing Parts
PTFE sealing parts are essential in chemical processing, oil and gas, pharmaceuticals, and food production. As a PTFE CNC machining manufacturer, LIANTUO supplies custom seals, O-rings, backup rings, and valve components from your drawings.
Why PTFE for Industrial Sealing?
- Chemical resistance — withstands most acids, alkalis, and solvents
- Temperature range — typically -200°C to +260°C
- Low friction — self-lubricating, non-stick surface
- Compliance — FDA and USP Class VI grades available
Common PTFE Sealing Products
PTFE O-Rings and Backup Rings
Custom O-rings and anti-extrusion rings for static and low-speed dynamic service. Diameters from 1 mm to 500 mm.
PTFE Gaskets and Sheet Cut Parts
We also supply expanded PTFE gaskets and ePTFE sheet for flange sealing. See our sheet vs gasket vs tape guide.
Valve Seats and Machined Seals
CNC-turned valve seats and seal components with tight tolerances for chemical and process valves.
Our CNC Capabilities
| Capability | Specification |
|---|---|
| Tolerance | Up to +/-0.01 mm |
| Drawings | PDF, CAD, STEP, STP |
| Materials | Virgin PTFE, filled PTFE, PEEK, UHMWPE |
| MOQ | Prototype to mass production |
Learn more on our PTFE CNC machined parts page or read the PTFE CNC machining guide.