| Design
✦ Helical concentric bevelled ribs,each side covered with Graphite, PTFE or Mica
✦ Unitary design with or without a centering ring
✦ Rounded, non-sharp contact surface
✦ Unique Stop-Step design |
Advantages
✦ Internally self-energized and by fluidpressure for better sealing performance
✦ Interchangeable with all spiral wound gaskets and Camprofile gaskets
✦ Will not damage flange like Camprofile gaskets and spiral wound gaskets
✦ Prevents over-compression of sealing element |
| Features
1. Patented helical concentric bevelled ribs. The number of ribs grows with the increasing pressure class.
2. Unique Stop-Step design Manufactured with single or double stop-steps depends upon the sealing width.
3. Self-energized by fluid pressure
4. Unitary design with (Type II) or without (Type I) a centering ring |
 |
| Technical Specifications
Standard Materials
| ✦ Metal Materials
304, 304L, 316, 316L, 321 |
✦ Non-metallic Sealing Materials
Flexible Graphite, PTFE, Mica |
✭ Other Materials on request |
Temperature Range
| Facing Material |
Minimum °C |
Maximum °C |
Minimum °F |
Maximum °F |
| Flexible Graphite |
-212 |
400 |
-350 |
750 |
| PTFE |
-200 |
260 |
-400 |
500 |
| H.T.GR(High Temp. Graphite) |
-200 |
550 |
-418 |
1022 |
| ePTFE(Expanded PTFE) |
-200 |
260 |
-400 |
500 |
| Mica |
-212 |
1000 |
-350 |
1850 |
|
Standard Sizes
| Imperial |
| NPS (in): 1/2″ – 60″ |
CLASS (lbs): 150-2500 |
| Metric |
| DN (mm): 10-4000 |
PN (bar): 2.5-400 |
International Standard
| EN 1514 |
ΑΡΙ 601 |
BS 4865 |
| EN 12560 |
DIN 2690-2692 |
BS 3381 |
| ASME B16.20 |
JIS B2404 |
BS 10 |
| ANSI B 16.21 |
JPI-7S-41 |
BS 4504 |
| * Please consult with AIGI Environmental Inc. for all your standard and non standard gasket requirements. |
|
 |
1. TA_Luft Certificate
2. API 6FB Fire Test Report
3. Chevron Fugitive Emission Test