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zhi hui fa yao gan zhou kong jie gou de gai jin he jia gong
Pages: 23-26
Year: Issue:  3
Journal: Valve

Keyword:  孔结构摇杆轴旋启式止回阀螺纹底孔组合刀具轴孔阀体动力头结构改进结构尺寸;
Abstract: 止回阀摇杆轴孔结构的改进和加工平顶山高压开关厂阀门分厂周宏远1.分析原设计的H44T—10和H44W—10单瓣旋启式止回阀系列产品阀体摇杆轴孔两端结构形式有两种,一种为摇杆轴孔两端采用扩孔攻丝结构(图1),另一种为大口径阀体摇杆轴孔两端采用椭圆形法兰...
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