当化工流程泵输送介质，对于温度和压力不高时，一般选用非金属弥缝垫片；
When the chical process pump transmission medium, the tperature and pressure is not high, the general choice of non-metallic gasket;
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。
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.
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。
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.
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