Technical Data Sheet
FEP Lined Ball Valve
FEP Lined Items
Polytetra Processors
Rakhial, Ahmedabad, Gujarat, India
www.automatasia.com
Two piece design ball valves from 2" N.B. onwards, rated for extremely corrosive media between -60°C and +250°C.
Specification
| Sizes | 2 in nominal bore onwards; ANSI Class 150 body; 3–5 mm virgin FEP lining; spark tested at 20 kV |
|---|---|
| Tolerances | Valve dimensions and lining thickness to approved specification |
| Grades | Virgin PTFE, FEP, PFA, Glass-filled PTFE where specified |
| Standards | ASTM D4894, ASTM D4745 |
| Typical uses | Isolation duty, Corrosive media handling |
| Industries | Chemical, Pharmaceutical |
Typical properties — virgin PTFE
| Property | Typical value | Test method |
|---|---|---|
| Specific gravity | 2.14 – 2.20 | ASTM D792 |
| Tensile strength | 20 – 35 MPa | ASTM D638 / D4894 |
| Elongation at break | 200 – 400 % | ASTM D638 / D4894 |
| Hardness | Shore D 50 – 65 | ASTM D2240 |
| Coefficient of friction (dynamic) | 0.04 – 0.10 | ASTM D1894 |
| Continuous service temperature | −200 °C to +260 °C | — |
| Melting point | ≈ 327 °C | ASTM D4894 |
| Dielectric strength | ≈ 32 kV/mm (short time, thin section) | ASTM D149 |
| Water absorption | < 0.01 % | ASTM D570 |
Typical values for guidance only, not guaranteed minimums. Filled grades, linings and finished parts differ; confirm limits for your application. Issued 2026.