Gaskets 101

Gasket Types

Types of Gasket Piping Heat Exhangers Valves Tower/Tanks, Reactors Pumps
CNAF Sheet YYY YYY YYY YYY YYY
Expanded graphite sheet YY Y YY Y YY
PTFE Solid Gasket YYY YY YY YYY YY
PTFE Gasket with Filler YYY YY YYY YYY YY
Spiral Wound Gasket YYY YYY YYY YYY YYY
Camprofile Gasket YY YYY Y YY Y
Metal Jacketed Gasket YY YYY YY YY Y
Metallic Flat Gasket Y YY Y YY Y
Serrated Gasket Y YY Y YY Y
Ring Joint Gasket YYY Y YYY YYY Y

Symbols:

YYY Used very often

YY Used often

Y Depending on the conditions

Metals Temperatures up to 1093.3°C, Pressure is virtually unlimited and the resistance to chemical is also considered high
Teflon Temperatures up to 316°C, Mild to aggressive chemicals
Non-Asbestos Temperatures up to 454°C, Mild chemicals
Rubber/PVC Materials Temperatures up to 204°C, pressures up to 10.3 bar, mild chemicals
Carbon / Graphite Temperatures up to 550°C, Aggressive chemicals

*References made based on Valqua handbook, Nippon Valqua Industries, Ltd. (PTT Corp is a distributor of Valqua products).