NOTE: Joints sizes 2-12″ I.D. are lined with PTFE.
Sizes 14″ and above are lined with FEP.
PTFE/Teflon Expansions Joint Features
Our PTFE expansion joints are made from the synthetic material Polytetrafluoroethylene. This non-reactive material is widely used in pipelines within the chemical manufacturing industry and acts as a protective agent against highly corrosive substances and high temperatures.
- Hand-crafted solid-molded PTFE
- -300°F degrees to 400°F degrees operating temperature
- Full vacuum rated to 178 psi, depending on design
- FDA compliant 21 CFR, Part 177, Subpart B, Section 177.1550
- Highly resistant to corrosion
- Withstands chemicals, steam, gases
- Tie Rods prevent over-extension
- Covers available: EPDM, Neoprene, Metal, Viton™
- Custom designs available
- Made in the USA
Types of PTFE/Teflon Expansions Joints
- The excellent chemical resistance of PTFE combined with the flexibility of rubber
- Thermal stability
- Anti-stick properties
- Available in multi-arch, taper, offset and special constructions
Unalon – Style 9500
- Combines the properties of metal & PTFE
- Heavy duty PTFE protects against highly corrosive chemicals
- Absorbs pipe movement and stress
- Isolates mechanical vibration
- Reduces system noise
- Protects against surge forces
Unalon – Styles 112 & 113
- Multi-purpose PTFE expansion joint
- Designed to withstand high pressures & temperatures
- Ideal for installation where size is limited
- Lightweight and corrosion resistant