Spiral Wound Gaskets have the ability to recover under the action of fluctuating loads caused by process fluid pressure and temperature changes, flange face temperature variations, flange rotation, bolt stress relaxation and creep.
Standard sizes available from ½” to 60”
Pressure Class: LBS 150, 300, 400, 600, 900, 1500 & 2500
Conforming to: ASME: B16.20, B16.47 Series A & B
DIN: PN 10, PN 16, PN 25, PN 40, PN 64, PN 100 & PN 160
British Standard – BS 10
Non-standard sizes, types and shapes can be provided
Tested for Shell MESC SPE – 85/300 (Type Acceptance Test) that comprise of:
Spiral wounds Gaskets are available in range of configurations and materials.
Filler Material |
Maximum Temperature |
ASME B16.20 Colour Coding |
Graphite |
550°C |
Grey Stripe |
PTFE |
260°C |
White Stripe |
Mica |
1000°C |
Light Green Stripe |
Mica and Graphite |
900°C |
- |
Filler Material |
Maximum Temperature |
ASME B16.20 Colour Coding |
Carbon Steel |
500°C |
Silver |
304 Stainless Steel |
650°C |
Yellow |
316L Stainless Steel |
800°C |
Green |
Duplex UN S31803 |
800°C |
N/A |
347 Stainless Steel |
870°C |
Blue |
321 Stainless Steel |
870°C |
Turquoise |
Monel 400 |
800°C |
Orange |
Nickel 200 |
600°C |
Red |
Titanium Gr 2 |
500°C |
Purple |
Hastelloy B-2/B-3 |
700°C |
Brown |
Hastelloy C-276 |
700°C |
Beige |
Inconel 600 C |
1000° |
Gold |
Inconel 625 |
1000°C |
Gold |
Inconel X-750 |
1000°C |
N/A |
Incoloy 825 |
600°C |
N/A |
Zirconium |
500°C |
N/A |
Super Duplex |
600°C |
N/A |
254 SMO |
600°C |
N/A |
Titanium Gr7 |
500°C |
N/A |
Hastelloy C-22 |
700°C |
N/A |
Hastelloy G-31 |
800°C |
N/A |
Alloy 20 |
600°C |
N/A |
Below are the most common gasket types.