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글로벌네트워크를 고도화시키는 창조기업
Spiral Wound Gasket (Semi-metallic)
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구조는 W자형 단면으로 금속성 박판(Hoop)과 비금속재료(Filler)를 겹쳐 나선형으로 감아 Spot 용접으로 견고하게 고정한 형태로서, 내열,내압성과 온도변화에 대하여 우수한 성능을 가지고 있어 원자력발전, 일반 석유정제, 석유화학까지 폭넓게 사용됨
DESCRIPTION

ASME B16.20 규격에 따른 식별표시 방법


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KUKIL INNTOT SPIRAL WOUND GASKET TYPE

기본형내륜형(Inner Ring)외륜형(Outer Ring)내,외륜형(In & Outer Ring)
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Spiral Wound Gasket Color Coding 및 Max.Temperature


Hoop Material

MaterialAbbreviationMax. Temperature [℃]Color Code - ASME B16.20
Carbon SteelCRS540Silver (은색)
304 SS304760Yellow (노랑색)
316 L SS316 L760Green (녹색)
347 SS347925Blue (파란색)
321 SS321760Turquoise (옥색 혹은 하늘색)

Ni-Cu

Monel 400

Grade 400

 Mon 820 Orange (오렌지색)
Nickel 200Ni760Red (붉은색)
TitaniumTi1,090Purple (자주색)
20 Cb-3 AlloyA-20760Black (검은색)

Ni-Mo

Hastelloy B

Grade B2

 HAST B 1,090 Brown (갈색)

Ni-Mo-Cr

Hastelloy C

Grade C-276

 HAST C 1,090 Beige (베이지색)

Ni-Cr-Fe

Inconel 600

Grade 600

 INC 600 1,090 Gold (금색)

Ni-Cr-Fe-Ti

Inconel X-750

Grade X-750

 INX 1,090 No Color (색상없음)

Ni-Fe-Cr

Incoloy 800

Grade 800

 IN 800 870 White (흰색)


Filler Material

MaterialAbbreviationMax. Temperature [℃]Color Code - ASME B16.20
Non-AsbestosN.A250No Stripe (띠 없음)
PolytetrafluoroethylenePTFE250White Stripe (흰색 띠)
Mica-GraphiteM.G1,000Pink Stripe (분홍 띠)
Flexible-GraphiteF.G.650Gray Stripe (회색 띠)
CeramicCER1,100Light Green Stripe (연두색 띠)


Tolerances


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KUKIL NO.GasketCompressed ThicknessRing(s) Inner & Outer
ThicknessTolerances
A3.2± 0.132.3 ~ 2.52.0
B4.5± 0.133.2 ~ 3.43.0
C6.4± 0.134.6 ~ 5.14.0
D7.2± 0.135.1 ~ 5.65.0



 ASME B16.20Tolerances [ mm ]
ANSI B16.5ANSI B16.47-AANSI B16.47-B
D11/2" ~ 3"4" ~ 24"--26" ~ 60"-26" ~ 60"± 0.8± 1.5± 3.0
D21/2" ~ 8"10" ~ 24"---26" ~ 34"36" ~ 60"-26" ~ 34"36" ~ 60"± 0.4± 0.8± 0.8± 1.3
D31/2" ~ 8"10" ~ 24"--26" ~ 60"-26" ~ 60"± 0.8+ 1.5 / - 0.8± 1.5
D41/2" ~ 24"-26" ~ 60"-26" ~ 60"± 0.8± 0.8