temperature of packing and gasket commonly used in valves
service temperature of valve common gasket
|
no |
name |
service temperature(℃) |
|
1 |
natural rubber |
-50～ 90 |
|
2 |
neoprene rubber |
-40～ 100 |
|
3 |
nitrile rubber |
-30～ 110 |
|
4 |
butadiene styrene rubber |
-30～ 100 |
|
5 |
ethylene propylene rubber |
-40～ 130 |
|
6 |
fluororubber |
-50～ 200 |
|
7 |
asbestos rubber sheet |
≤300 |
|
8 |
synthetic fiber rubber |
-40～ 200 |
|
9 |
teflon |
≤200 |
|
10 |
low carbon steel flexible graphite composite gasket |
≤450 |
|
11 |
304 flexible graphite composite gasket |
≤650 |
|
12 |
l3 asbestos rubber plate covering gasket for pure aluminum plate |
≤200 |
|
13 |
copper plate t3 asbestos rubber plate covering gasket |
≤300 |
|
14 |
tin plated copper plate asbestos rubber plate covering gasket |
≤400 |
|
15 |
galvanized copper plate asbestos rubber plate covering gasket |
≤400 |
|
16 |
0cr18ni9 asbestos rubber panel covering gasket |
≤500 |
|
17 |
00cr19ni10 asbestos rubber panel covering gasket |
≤500 |
|
18 |
00cr17ni14mo2 asbestos rubber panel covering gasket |
≤500 |
|
19 |
0cr18ni9 special asbestos paper fiber winding gasket |
≤500 |
|
20 |
0cr17ni14mo2 flexible graphite tape wrapping gasket |
≤650 |
|
21 |
00cr17ni14mo2 ptfe spiral gasket |
≤200 |
|
22 |
10 or 08 flexible graphite tooth combination gasket |
≤450 |
|
23 |
0cr13 flexible graphite tooth combination gasket |
≤540 |
|
24 |
304 flexible graphite tooth combination gasket |
≤650 |
|
25 |
316 teflon tooth combination gasket |
≤200 |
|
26 |
ptfe clamp glass fiber |
-100～ 260 |
service temperature of commonly used packing for valves
|
no |
name |
service temperature(℃) |
|
1 |
flexible graphite packing ring |
≤600 |
|
2 |
ptfe packing ring |
≤200 |
|
3 |
stainless steel wire flexible graphite braided filler |
≤600 |
|
4 |
expanded ptfe graphite strip braided packing |
≤250 |
|
5 |
oil-impregnated asbestos rope |
≤450 |
|
6 |
graphite asbestos rope |
≤450 |