国标不锈钢截止阀
结构特点:
国标不锈钢截止阀采用平面密封和锥面密封两种密封型式，可使用于不同工况的介质要求，具有密封性能稳定，使用寿命长。逆时针转动手轮驱使阀杆带动阀瓣及膈膜迅速上升，打开通道使介质顺利通过。
产品设计与制造标准：
1、设计制造按GB12235-89
2、结构长度按GB12221-89
3、法兰尺寸按JB/G79-94
4、阀门检查和试验按GB13927
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