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：
结构形式 | BB-BG-OS & Y |
驱动方式 | 手动 |
电动 |
设计标准 | GB12234 |
结构长度 | GB12221 |
连接法兰 | GB9113、JB79、HG20596 |
试验和检验 | JB/T 9092、GB/T13927 |
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