Temperature of packing and gasket commonly used in valves

                  Column:Technical article 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


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