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an quan fa jie gou de gai jin
Author(s): 
Pages: 31
Year: Issue:  3
Journal: Valve

Keyword:  安全阀钢管焊接导向套加工工艺结构安全使用性能阀体加工装配产品质量阀座;
Abstract: 安全阀阀体一般采用铸件制造(图1a),而导向套、阀瓣与阀座均由铬钢制造。由于大于DN32的安全阀其导向套和阀座的加工工艺较麻烦,给加工装配造成困难。新式安全阀(图1b)阀体采用钢管焊接式,并堆焊铬钢代替导向套和阀座(图1c)。既减小了阀门体积,又节省...
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