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发明名称
强制往复旋塞
摘要
一种主要由塞体、塞子、填料、填料盖和通道组成的强制往复旋塞,它的主要特征是采用对称弧形螺旋呈凹槽与对称定位滑转钢球相配,作为塞子往复旋转90°运动的限位机构,其开、闭旋转阻力小,操作轻松方便。塞子锥体表面凸出成网状形的软密封填料,有效地防止由介质温度造成的热变形密封面渗流。塞子旋转运动中的轴向移动,使旋塞在关闭、开启位置时形成强制密封状。本实用新型与国内同类旋塞对比,其公称通径、公称压力、介质温度值提高1倍以上。
申请公布号
CN86208235U
申请公布日期
1987.12.12
申请号
CN86208235
申请日期
1986.10.25
申请人
朱凤亚
发明人
朱凤亚
分类号
F16K5/02
主分类号
F16K5/02
代理机构
代理人
主权项
1、一种主要有塞体、塞子、填料、填料盖和通道组成的强制往复旋塞,其特征在于:a.所述的塞子锥体表面凸出成网状形的软密封填料,锥体小端尾相接圆柱表面,有对称的弧形螺旋呈凹槽。b.塞体锥孔小端尾相接圆柱孔壁上,突出对称的二半圆钢球。
地址
江苏省无锡县雪浪东风机械设备厂
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