Temperature of packing and gasket commonly used in valves
Column:Valve knowledge Time:2020-06-19
Temperature of packing and gasket commonly used in valves

Service temperature of valve common gasket

No

name

Service temperature(℃)

1

Natural rubber

-5090

2

Neoprene rubber

-40100

3

Nitrile rubber

-30110

4

Butadiene styrene rubber

-30100

5

Ethylene propylene rubber

-40130

6

Fluororubber

-50200

7

Asbestos rubber sheet

300

8

Synthetic fiber rubber

-40200

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

-100260

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