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D2222石墨纏繞墊 東潤密封墊

金屬纏繞墊片（基本型）采用SUS304、SUS316（“V"形或“W"形) 金屬帶及其它合金材料與溫石棉、柔性石墨、聚四氟乙烯、非石棉纖維等軟性材料相互重疊螺旋纏繞而成，在開始及末端用點(diǎn)焊方式將金屬帶固定。

1.金屬帶材料

A. 采用厚度為0.15mm~0.25mm的08F，0Cr13, 0Cr18Ni19Ti, 0Cr18Ni9Ti, 00Cr18Ni10, 0Cr18Ni12Mo2Ti, 00Cr17Ni14Mo2,201,304,316等冷軋鋼帶，或由供需雙方協(xié)商 確定。

B. 金屬帶為預(yù)成型的V型或W型窄帶，表面應(yīng)光滑.潔凈，不應(yīng)有粗糙不平.裂紋.劃傷.凹坑及銹斑等缺陷

C.不銹鋼的硬度值 HV≤200

D.一般的鋼帶的寬度是3.2mm,4.5mm,8mm,W型的鋼帶可以更厚。

E.不銹鋼帶形狀：“V"“W"“SUS"“U"。

不銹鋼帶材質(zhì)：A3,304,304L,316,316L,蒙乃爾，鈦材Ta。

D2222石墨纏繞墊 東潤密封墊

2. 非金屬帶材料

A 非金屬填充為特制的石棉帶，柔性石墨帶，聚四氟乙烯帶，非石棉纖維帶，

陶瓷纖維及云母帶等。帶的厚度為 0.3-1.0mm。

B. 特制石棉燒失量必須≤25%

C. 非金屬帶的氯離子含量≤100PPM

D.各類介質(zhì)及各種非金屬帶的推薦使用溫度及壓力

E.一般的鋼帶的寬度是3.2mm,4.5mm,8mm

F.適應(yīng)溫度：-196℃—+870℃（柔性石墨）

≤+250℃（聚四氟乙烯）

≤+500℃（特殊石棉）

3.內(nèi)外環(huán)材料

常用的有304SS,316LSS,321SS,347SS,碳鋼,鈦,銅.

mix:

The flange on the pad designs to facilitate the installation of the Company under the gasket-caliber size, the gasket external welding a 2 ~ 8 positioning belt buckle for positioning hole in the flange, to prevent displacement installation gasket or falling out of the supporting material and saving hours of work.

Types and gasket materials

1, Winding pads divided into four forms: that is, as the basic type A, B band strengthen ring, the C-band to strengthen the ring, the D-band, the strengthening ring.

2, the general use of materials

A strip: 0 Cr13, 0Cr18Ni9 (304), 0Cr18Ni9Ti, 1Cr18Ni9Ti (321), 0Cr17Ni12Mo2 (316), 00Cr17Ni14Mo2 (316L)

B, both inside and outside ring materials are A3, 304,316,316 L

C, non-metallic sandwich belt: Flexible Graphite PTFE, custom-made asbestos.