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￥1.3
廊坊凯信密封材料有限公司（廊坊东润密封材料有限公司）
免费会员·5年产品简介
缠绕式垫片压缩性能，回弹性能良好，具有多道密封和一定的自紧功能，对于法兰压紧面的表面缺陷不太敏感，不粘结法兰密封表面，可部分消除压力.温度变化和机械振动的影响；能在高温.低温.高真空.冲击振动等循环交变的各种苛刻条件下，保持其优良的密封性能。
产品介绍
D2222内外环金属缠绕垫
缠绕垫片为半金属密合垫中回弹性佳的垫片，缠绕垫片结构密度可依据不同的锁紧力要求来制作，并利用内外钢环来控制其大压紧度，金属缠绕垫片接触的法兰密封面的表面精度要求不高。
缠绕垫片特别适用于负荷不均匀、接合力易松弛，温度与压力周期性变化、有冲击或震动的场合。缠绕垫片是阀门、泵、换热器、塔、人孔、手孔等法兰连接处理想的静密封原件。 项目 厚度(mm) 公差(mm) 垫片厚度 4.5, 3.2 +0.2
-0.1 环厚度 3.0 ±0.24 【缠绕垫片】直径公差（即用于法兰的名义管道直径）： DIN (mm) ANSI B16.5
BS1560 (mm)
Mss sp-44 API 605 公差 内环内径
垫片内径 <=600 <=24″>=26″ and <=34″ 0.5="">600 and <=800>24″ and <=34″>=36″ and <=60″ 0.9="">800 and <=1600>34″ and <=60″ 1.3="">1600 >60″ ±1.6 垫片外径 <=600 <=24″ <=24″ 0.9="">600 and <=160000>24″ and <=60″>24″ and <=60″ 1600="" 1.8="">60″ ±2.2 外环外径 >=1/2″ and <=60″ ±0.9 <=600 <=24″ 0-1.0="">600 and <=1000>24″ and <=34″ 0-1.8="">1000 and <=1600>34″ and <=60″ 0-2.2 【缠绕垫片】技术参数： 缠绕垫片系数 m=2.5-4 缠绕垫片使用压力 ≤25MPa 缠绕垫片使用温度 -196℃-700℃(氧化性介质中不高于600℃) 缠绕垫片小预紧比压 y=68MPa
D2222内外环金属缠绕垫
内外环材料
常用的有304SS,316LSS,321SS,347SS,碳钢,钛,铜.
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.
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