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Spiral Wound Gasket

Spiral Wound Gasket

Spiral wound gasket ZCD-84 This gasket is wound alternatively by V or W shaped metal hoop and non -metal filler of various kinds of materials selected based on specific working condition. Depend on its excellent compression resilient, high-temperature and corrosion resistance. It is suitable for...

  • Features & Specification

    Spiral wound gasket ZCD-84
    This gasket is wound alternatively by V or W shaped metal hoop and non -metal filler of various kinds of materials selected based on specific working condition. Depend on its excellent compression resilient, high-temperature and corrosion resistance. It is suitable for sealing alteration of temperature and pressure are frequent, such as pipe, valve, pump etc. They are available in all standard flanges of sizes, suck as ASME, JIS, DIN, EN. etc.


         Type


         CodeNo


         Cross section


         Hoop material


         Filler material


         Inner,outer ring material


         Flange style


         Basic type

    A

    304,316,321,347,317,

    S31803,S32750,Hast. Inconel,Monel,Titanium, etc.


    INC Galvanizing or epoxy- polyester coated carbon steel, 304,316,321,347,

    317,S31803,S32750,Hast. Inconel,Monel,Titanium, etc.


         Groove flange,
         Male and femal flange,
         Flat and raised face fange


         With inner ring

    B

     


         Expanded Graphite


         With outer ring

    C


         With inner,outer ring

    D


         EPTFE
         Mica
         Non-asbestos


         Hoop Material


          GB/T 20878


         DIN

    AISA
         ASTM

    (℃)
         Temperature


         Guide ring
         Color code

    SS304

    06 Cr 19 Ni 10

    1.4301

    304

    -196 - 700

    Yellow

    SS316L

    022 Cr 17 NI 12 Mo2

    1.4435

    316L

    -196-  450

    Green

    SS321

    06 Cr 18 Ni 11 Ti

    1.4541

    321

    -196- 700

    Turquoise

    SS347

    06 Cr 18Ni 11Nb

    1.4550

    347

    -195 - 925

    Blue

    SS317

    06 Cr 19 Ni 13 Mo3

    1.4449

    317

    -195 - 760


    2205

    X2 Cr Ni Mo N 22 5 3

    1.4462

    S31803/32205

    -40 - 300

    No Color

    2507

    X2 Cr Ni Mo N 25 6 3

    1.4410

    S32750

    -40 - 300

    No Color

    INC600

    Ni Cu 15 Fe

    2.4816

    N06600

    -100 - 1090

    Gold

    INC625

    Ni Cr 22 Mo 9 Mb

    2.4856

    N06625

    -100 - 1090

    Gold

    INC800

    X10 Ni Cr A1 Ti 3220

    1.4876

    N08800

    -100 - 870

    White

    INC825

    Ni Cr 21 Mo

    2.4858

    N08825

    -100 - 870

    White

    Hast-B2

    Ni Mo 28

    2.4617

    N10665

    -185 - 1090

    Brown

    Hast-C 276

    Ni Mo 16 Cr 15 W

    2.4819

    N10276

    -185 - 1090

    Beige

    Titanium

    Ti 99 8

    3.7025

    R50400

    -195 - 1090

    Purple

    Service Range


         Commodity

    (kgf/cm2)
         pressure

    (℃)
         Temp


         Leakage rate


         Min pretight


         Factor


         Color code


         Spiral Wound Gasket Filled With Expanded Graphite

    Under hot water,oil,etc)400

    下In Oxidizing media -240-550

    1.0 x 10-5cm3/s

    400kgf/cm2

    2.5-3

    Gray

    Under Vapor oil,gases,etc.)300

    IN non-oxidizing media -240~800


         Spiral Wound Gasket Filled With Nonasbestos

    150

    -150~250

    1.0 x 10-4cm3/s

    500kgf/cm2

    3-4

    Pink


         Spiral Wound Gasket Filled With EPTFE

    150

    -200~280

    1.0 x 10-5cm3/s

    400kgf/cm2

    2.5-3

    White

    Mica

    50

    -200~1000

    1.0 x 10-2cm3/s

    500kgf/cm2

    3-4

    Yellow


         Mica+oxidant

     inhibitor FG

    150

    -200~800

    1.0 x 10-5cm3/s

    500kgf/cm2

    2.5-3

    Yellow


         Filler material

     Lower limit(℃)

     Upper limit(℃)

    Guide ring
         Color code

    Ceramic

    -212

    1090

    Light Green

    Flexible graphite

    -212

    510

    Gray

    EPTFE

    -240

    260

    White

    Asbestos

    -198

    550

    No color

    CNAF

    -120

    250

    Pink


         Mica+oxidant inhibitor FG

    -200

    800

    Yellow


         Mica+oxidant inhibitor FG

    -200

    1100

    Yellow

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