Unsurpassed High Temperature Corrosion Resistance
Ethylene has the capability of lining virtually any fitting, column section, or large diameter pipe section with a broad range of heavy-walled fluoropolymers. Our rugged and seamless liners are designed to meet the rigorous ASTM F423 steam-cold water cycling standard.
Lined Pipe / Fittings Overview
Founded in 1950, Ethylene’s roots trace back to DuPont® and the pioneering development of PTFE lined products.
In 1958, Ethylene was the first company to employ PTFE Isostatic Molding processes and also the first company to process pure unmodified PTFE for its lined piping products. Competitors followed some three decades later.
Today, Ethylene processes Fluoropolymers in more ways than any other company. Processes include: Dry & Wet Isostatic Molding, Paste Extrusion, Ram Extrusion, Rotolining, Injection Molding, Intrusion Molding, Melt Extrusion, Resin Transfer Molding, Compression Molding and Vacuum Forming.
ChemTite PTFE Lined Pipe
Pipe sections are lined with a heavy-walled isostatically molded PTFE liner with the following minimum PTFE wall thickness.
|Minimum PTFE Wall Thickness|
|All sizes in inches.|
|Typical Properties of DuPont Fluoroplastics|
|Melting Point, °F||621||580||520|
|Upper Service Temp., °F||500||500||300-350|
|Tensile Strength, at RT psi||2,500-4,000||4,500||6,500|
|Ultimate Elongation, % at RT||225-450||300||100-300|
|% at 482°F||350||500|
|Flexural Modulus, 103 psi at RT||40-90||100||200|
|103 psi at 482°F||4||10|
|Coefficient of Friction||.02-.26||.23-.29||.40|
Lined Piped / Fittings Styles
Short Stack Tee
Short Stack Cross
1" Branch Tee
1.5" Branch Tee
2" Branch Tee
Spectacle Blind Flange
Straight Reducing Flange
Tapered Reducing Flange
Service conditions may limit the lining selection.
FLO-CHECK™ PFA lined ball check valve.
Flo-Check™ PFA lined ball check valves prevent the back-flow of liquids in pipelines, prevent siphoning of pumps and eliminates pump impeller rotation in opposite direction due to back-flowing media. Flo-Check’s PFA lining provides the ultimate in chemical and permeation resistance from (-)20°F to (+)350°F and all sizes are full vacuum rated.
Flo-Check™ is resistant to:
- All acids
- All solvents
- All organic and inorganic chlorides & sulfates
- All bleach solutions
- All phenols
- All caustics
- All peroxides
Parts & Material
|Not recommended for horizontal installations|
|1||2||Check Valve Body||ASTM A395 DCI|
|3||4-8||Threaded Stud, Grade B7||Zinc Plated Steel|
|4||1||Check Valve Ball||Virgin PTFE|
|5||8-16||Heavy Hex Nut, Grade 2H||Zinc Plated Steel|
|6||1||Ethylene Nameplate||304 S.S.|
How to Order
|1"||FC - DI - 100|
|1-1/2"||FC - DI - 150|
|2"||FC - DI - 200|
|3"||FC - DI - 300|
|4"||FC - DI - 400|
|6"||FC - DI - 600|