http://www.zk-v.com/ProductShow_250.html一、J41Tc陶瓷截止阀概述
　　J41Tc陶瓷截止阀充分利用陶瓷综合理论与实际使用，多比金属性能的优异特点。该阀密封面多采用陶瓷，由于陶瓷抗擦伤性能好，在使用过程介质有少量颗粒也不会擦伤密封，所以使用寿命长等特点。适用于石油、化工、矿山、冶金、电力行业等各种工况的管路上，切断或接通管路介质。特别是用于排灰、排渣系统，放料、排污系统中，其使用寿命比普通合金密封面阀门提高10倍以上。
二、结构特点及工作原理
　　体通道和内腔镶装及喷涂陶瓷衬里，可与陶瓷衬里管道连接组成耐磨管路系统，用于排灰排渣及放料排污系统可有效地延长系统的使用寿命；阀瓣、阀座密封面采用工程陶瓷材料，*工艺研制开发制造而成，耐磨、耐高温、耐腐蚀、抗擦伤性能特强，其使用寿命比普通合金材质密封面高10倍以上；密封可靠、性能优良、造型美观、互换性好。适合各种领域使用。
（一）工作原理
　　靠旋转手轮,使阀杆上升和下降带动阀瓣作平行于介质流向的直线移动，起到启闭的目的。手轮按顺时针方向旋转，工作介质由阀瓣下方通道进入，此时，该施加的密封力

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