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WELCOME to Cixi Dongfeng Sealing&packing web site.
Here you will find information on many different types of sealing gaskets, packings and materials which are in common used in oil chemical, metallurgy, electric power, ship-building, paper making and fertilizer industries today.
Please feel free to send us comments, request technical information or email us.
Your comments and feedback are important to us. |
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| 透镜垫片 |
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 透镜垫片：金属环垫是一种应用于油和气体的管道法兰，压力容器，海底，高速连接面，高压高温法兰阀盖连接用。根据其连接沟槽的形式可分为椭圆垫，八角垫，RX高压型，BX高压型，三角型和透镜垫，材料有10＃，304，321，316，316L等，尺寸全系列。其中BX型广泛使用油口井口装置。
采用数控加工（最大数控可加工1200mm），规格从DN15-DN900。 选用的材料有10或08、0Cr18Ni9或0Cr17Ni12Mo2等；小口径环垫的材料都是采用青山特钢的钢管子，大口径的环垫的材料是由专业锻造厂提供的，严格按照化工部环垫不准焊接的标准要求.
标准有：JB90-95,JB2776-79，JB2777-79，DIN2697-97，DIS，JIS,ASME, API,ANSI |
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