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 |
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