Common Valve Packing & Gasket Materials and Their Service Temperatures
|
No. |
Name |
Service Temperature (°C) |
|
1 |
Flexible Graphite Packing Ring |
≤600 |
|
2 |
PTFE Packing Ring |
≤200 |
|
3 |
Stainless Steel Wire + Flexible Graphite Braided Packing |
≤600 |
|
4 |
Expanded PTFE Graphite Tape Braided Packing |
≤250 |
|
5 |
Oil-Impregnated Asbestos Rope |
≤450 |
|
6 |
Graphite-Asbestos Rope |
≤450 |
|
No. |
Name |
Service Temperature (°C) |
|
1 |
Natural Rubber |
-50 to 90 |
|
2 |
Neoprene Rubber |
-40 to 100 |
|
3 |
Nitrile Rubber |
-30 to 110 |
|
4 |
Styrene-Butadiene Rubber (SBR) |
-30 to 100 |
|
5 |
EPDM Rubber |
-40 to 130 |
|
6 |
Fluororubber (FKM/Viton) |
-50 to 200 |
|
7 |
Asbestos Rubber Sheet |
≤300 |
|
8 |
Synthetic Fiber Rubber |
-40 to 200 |
|
9 |
PTFE |
≤200 |
|
10 |
Low Carbon Steel + Flexible Graphite Composite Gasket |
≤450 |
|
11 |
SS 304 + Flexible Graphite Composite Gasket |
≤650 |
|
12 |
Pure Aluminum Sheet (L3) + Asbestos Rubber Jacketed Gasket |
≤200 |
|
13 |
Pure Copper Sheet (T3) + Asbestos Rubber Jacketed Gasket |
≤300 |
|
14 |
Tin-Plated Copper Sheet + Asbestos Rubber Jacketed Gasket |
≤400 |
|
15 |
Galvanized Copper Sheet + Asbestos Rubber Jacketed Gasket |
≤400 |
|
16 |
0Cr18Ni9 + Asbestos Rubber Jacketed Gasket |
≤500 |
|
17 |
00Cr19Ni10 + Asbestos Rubber Jacketed Gasket |
≤500 |
|
18 |
00Cr17Ni14Mo2 + Asbestos Rubber Jacketed Gasket |
≤500 |
|
19 |
0Cr18Ni9 + Special Asbestos Paper Fiber Wound Gasket |
≤500 |
|
20 |
0Cr17Ni14Mo2 + Flexible Graphite Tape Spiral Wound Gasket |
≤650 |
|
21 |
00Cr17Ni14Mo2 + PTFE Spiral Wound Gasket |
≤200 |
|
22 |
10 or 08 Steel + Flexible Graphite Serrated Composite Gasket |
≤450 |
|
23 |
0Cr13 + Flexible Graphite Serrated Composite Gasket |
≤540 |
|
24 |
SS 304 + Flexible Graphite Serrated Composite Gasket |
≤650 |
|
25 |
SS 316 + PTFE Serrated Composite Gasket |
≤200 |
|
26 |
PTFE with Glass Fiber Reinforcement |
-100 to 260 |