结构特点
1.采用压力自紧式密封结构，两端支管为焊接连接；
2.采用平面O型圈密封，阀座采用不锈钢堆焊而成；
3.水压试验时装入堵板，水压试验后取出堵板，可多次进行水压试验。
设计规范
设计规范:JB/T3595
结构长度:GB/T12221 GB/T15188.1
焊接坡口:JB/T3595
试验与检验:JB/T 3595
压力-温度:JB/T 3595
性能参数
公称通径: NPS 22”~NPS 28”DN350~DN1000
压力范围: PN20.0~32.0MPa
工作温度: ≤540°C
适用介质:水、油品、蒸汽
主体材质: WCB，12Cr1MoV，WC6，WC9
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