Non-metallic gaskets:
•
Asbestos
products :
White / Blue asbestos
•
Rubber:
Natural, Synthetic, Buna-N, Buna-S, Neoprene, Viton,
Teflon
•
Cork
•
Grafoil
•
Asbestos-free
gaskets
Metallic gaskets:
•
Pure metal
•
Corrugated or
embossed thin metal
•
Metal
jacketed, soft filler
•
Spiral wound
•
If Temperature
(˚F) x Pressure (psi) exceeds the value of 250000, metallic gaskets are used.
•
Non-metallic
gaskets are not considered above 850 ˚F.
Corrugated gaskets:
Spiral wound gaskets: