缠绕 我们可以提供用的金属平钢带，V形带或W形带，平钢带可以用来制作金属包复垫片，非金属垫片包边材料等。可选用的材料为：304L，316L，321，317，31803，mon400，TI，inconel，hastC/B,Zr702等，厚度为：0.16-0.5MM，宽度：2.9-100MM 全部现货供应。
TD-SW700金属缠绕垫片由V形或W形不锈钢带和非金属填充料叠合，螺旋卷绕，始末端点焊而成。具有良好的压缩回弹性，适用于温度、压力交变剧烈的密封部位，是管道、阀门、泵、换热器、塔、人孔、手孔等法兰连接处的静密封元件。广泛应用于石化、机械、电力、冶金、造船、医药、原子能和宇航等部门。
TD-SW700Spiral-Wound gasket is formed of V-shaped metallic stripe and soft non-metallic filler by means of piled, spiral wound and connected its end and beginning by dot welded. Depend on its excellent compression resilience, it is suitable for sealing spots where the alteration of temperature and pressure are frequent. It can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc. It has been widely applied in the fields of petrochemical, mechanical manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear power station and navigation, etc.
产品标准：我们能按照ANSI B 16.20，MSS SP-44，API 605，DIN，JIS，JPI，BS 1560，JG/T，GB/T，HG，SH等标准生产。或者由用户具体注明要求。如垫片用在换热器上且带有筋条时，请提供具体的图纸
产品剖面 Profile | 产品名称 Products | 代号 Style | 适用 Flange | 表示示例 For example |
| 基本型金属缠绕垫 Basic type SWG | TD-SW700 | 榫槽面 Tongue and Groove | 304/PTFE |
| 带内环金属缠绕垫 SWG with inner ring | TD-SW700 IR | 凹凸面 Male and Female | 304 304/FG |
| 带外环金属缠绕垫 WG with outer ring | TD-SW700OR | 突面 Raise face Flat face | 304/ASB CS |
| 带内外环金属缠绕垫 SWG with inner & outer rings | TD-SW700IOR | 304 304/FG CS | |
| 换热器用金属缠绕垫 SWG for heat exchanger | TD-SW700 H | 换热器 Heat exchanger |
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| 异型金属缠绕垫 Special shape SWG | TD-SW700 S | 异形 Special |
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材质和选型MATERIAL & STYLE：
钢带及内外环材质 Hoop Inner & outer ring material | 填充料 Filler material | 通用厚度mm Normal thickness | ||||
名称 Products | 代号 Style | 名称 Products | 代号 Style | 适用温度℃ @Temperature | V形垫/环 V gasket/ring | W形垫/环 W gasket/ring |
碳钢Carbon steel | CS | 石棉ASB | ASB | 500 | 3.2/2.0
4.5/3.0 | 4.8/3.0 5.5/4.0 7.5/5.0 |
304(L),316(L) | 304(L),316(L) | 石墨graphite | FG | 650 | ||
蒙乃尔Monel, | Mon | 四氟PTFE | PTFE | 250 | ||
镍Ni，钛TI | Ni，Ti | 云母MICA | MICA | 950 | ||
因科镍INC | INC | 陶瓷CER | CER | 1000 | ||
哈氏HAST，锆ZIRC | HAST，ZIRC | 非石棉NAF | NAF | 300 | ||
具体订单，应注明具体的材质、所用标准、公称通径DN、压力等级PN，或注明具体尺寸。D1：内环内径；D2：内环外径；D3：外环内径；D4：外环外径
写法：D1×D2×D3×D4垫片默认厚度为4.5mm，环为3mm。
