Installation of gasket
1 ） Apply lubricant uniformly to all thread, nut and washer load-bearing surface 
2 ） Never use any compound to stick the gasket to the flange 
3 ） Always torque with proper tools 
4 ） Torque bolts in a cross bolt tightening pattern 
5 ） Never retorque elastomer based gasket after exposition to elevated emperatures 
6 ） Always use the bolts specified in the standard 
7 ） Use all the bolts of identical material 
8 ） Never reuse bolts 
9 ） Always use washers 
10 ） Install the thinnest possible gasket 
11 ） Never cut the gasket against the flange 
12 ） Store the sheets horizontally in a cool and dry place. Avoid direct sunlight