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 |