手动波纹管闸阀产品结构特点：
国标波纹管闸阀适用于公称压力PN1.6～16MPa,工作温度-29～350℃的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断或接通管路介质。
手动波纹管闸阀其主要结构特点：
1、产品结构合理、密封可靠、性能优良、造型美观；

2、密封面堆焊Co基硬质合金、耐磨、耐腐、抗摩擦性能好、使用寿命长；

3、阀杆调质及表面氮化处理，有良好的抗腐和抗摩擦性能；

4、双重密封，性能更可靠；

5、阀杆升降位置指示，更直观；

6、零件材质及法兰、对焊端尺寸可根据实际工况或用户要求合理选配，满足各种工程需要。 

手动波纹管闸阀技术规范：

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