Temperature of packing and gasket commonly used in valves

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

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