PTFE Gasket Specification
Size : 25 NB to 300 NB
Outer body : ASTM A 395 Gr 60-40-18
Flange Connection : ANSI B 16.5
Face to Face : ANSI B 16.10
Spark Test : 15 KVA
Hydro Test : at 29.8 kg/cm2
FEP- Max Temp : 180° C
PP Max Temp : 100° C
PFA Max Temp : 200° C
Expanded PTFE Gasket Applications
- Good ozone resitance
- Good impermeability to gases
- Good for use with petrol & oils
- Good for use with acids and alkalis
Dimensional Standards of PTFE Gasket
| SIZE | ID | OD | THK |
| 15 | 21 | 35 | 3.0 |
| 20 | 27 | 43 | 3.0 |
| 25 | 33 | 61 | 3.0 |
| 40 | 48 | 81 | 3.0 |
| 50 | 60 | 100 | 3.0 |
| 80 | 89 | 130 | 5.0 |
| 100 | 114 | 157 | 5.0 |
| 150 | 168 | 212 | 5.0 |
| SIZE | ID | OD | THK |
| 200 | 219 | 268 | 8.4 |
| 250 | 273 | 320 | 8.4 |
| 300 | 324 | 370 | 8.9 |
| 400 | 406 | 482 | 8.9 |
| 500 | 508 | 605 | 8.9 |
| *3Q0 X 400 | 300 X 400 | 375 X 475 | 8.9 |
| *350 X 450 | 350 X 450 | 430 X 530 | 8.9 |