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Spiral Wound Gaskets

Spiral Wound Gasket


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Spiral Wound Gasket is made by thin metallic strip and different sort of filler materials, which is used to control the compression.It also can be accompanied with an inner ring,an outer ring and inner and outer rings when required.Iit combines the advantages of high elasticity and strength of metallic strip and flexibility of fillers.Furthermore,it well suits the rough flange face,especially is suitable for the situation which is prone to stress relaxation like impact vibration and the circumstance with frequent change in pressure and temperature. We provide spiral wound gasket conform to different standards, but can also produce non-standard, special-shaped, and large metallic spiral wound gasket for some special requirements.

 

 
 
 
1  金属缠绕垫片型式

编号 名称 剖面图 适用法兰
AT601 基本型缠绕垫片 榫槽面
凹凸面
AT602 带外环缠绕垫片 突面、平面
AT603 带内环缠绕垫片 凹凸面
AT604 带内外环缠绕垫片 突面、平面
AT605 换热器缠绕垫片 设备容器,换热器中的凹凸面
 
 
2 金属缠绕垫片常用材料     
金属带及内外环材料 填充料 备注
国内牌号 对应国外牌号 柔性石墨  
Q235 1020 聚四氟乙烯  
0Cr13 410S 石棉  
0Cr18Ni9 304 非石棉  
00Cr19Ni10 304L 云母纤维  
0Cr17Ni12Mo2 316 陶瓷纤维  
00Cr17Ni14Mo2 316L    
0Cr23Ni13 309S    
0Cr25Ni20 310S    
00Cr19Ni13Mo3 317L    
0Cr18Ni11Nb 347    
1Cr17 430    
0Cr18Ni11Ti 321    
00Cr22Ni5Mo3 2205(S31803)    
00Cr20Ni25Mo4.5Cu 904L    
Cu    
镍 200 Nickel-200    
纯钛 Ti    
蒙纳尔400 Monel 400    
哈氏合金 C-276 Hastelloy C-276    
哈氏合金B Hastelloy B    
茵苛镍600,625 Inconel 600,625    
茵苛镍800,825 Inconel 800,825    
20#合金
0Cr20Ni35Mo3Cu4Nb
ALLOY 20(20Cb-3)    
 
 
图1:
1.  基本型缠绕垫片
2.  带外环缠绕垫片
3.  带内环缠绕垫片
4.  带内外环缠绕垫片
5.  换热器缠绕垫片

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