| 国标波纹管法兰闸阀 |
| 产品型号：WZ41H |
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| Bb Os & Y型结构 | | 制造标准：GB12235 | 结构长度：GB12221 | | 对焊口标准：GB12224 | 试验标准：GB13927 | | Bb Os & Y structure | | Manufacture：GB12235 | Face to face：GB12221 | | Butt-welding：GB12224 | Test：GB13927 | 公称压力
(nominal pressure) | 1.6Mpa | 2.5Mpa | 4.0Mpa | | 密封试验(seal test) | 1.8MPa | 2.8MPa | 4.4MPa | | 壳体强度(shell) | 2.4MPa | 3.6MPa | 6.0MPa | 适用温度
(suitabletemprature) | 300℃ | |
特点(features)：
| 双层波纹管(double walls bellow seal) | 维修方便(maintenance-free) | | 波纹管密封阀杆(spindle with bellow seal) | 双重密封(secondary sealing) | | 位置指示(position indicator) | 无升降手轮(non-rising handwheel) | |
用途(selection of possible applications)：
| 工业(industry) | 电站(power station) | | 废气净化厂(flue gas puerification plant) | 天然气(gas supply) | | 真空装置(vacuum facilities) | 氨(ammonia) | | 热水(hot water) | 冷冻系统(cllling&freezing systme) | | 加热设备(heating technology) | 蒸汽系统(steam system) | 零件名称
parta name | 阀体 body | 阀盖 bonnet | 阀杆 stem | 闸板 disc | 密封面
sealing face | 填料 paking | | WCB | WCB | WCB | 13Cr | 2Cr13 | 2Cr13 | 柔性石墨
GRAPHITE | | STL | | 304 | CF8 |
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