电动截止阀结构特点、用途及注意事项：“乾QY仪”系列可以安装在管道的任何位置上，介质从下往上流。产品设计制造按国家标准GB12235,结构合理,密封可靠,性能优良,造型美观。合金钢截止阀适用于耐高温的蒸汽、油品管道上，具有耐高温特点。不锈钢截止阀适用于各类腐性介质的管道上，有良好的防腐性的足够的强度。其特点如下：①阀瓣、阀座密封面用硬质合堆焊而成,耐磨、耐高温、耐腐蚀、抗擦伤性好、使用寿命长。②阀杆材料为渗氮钢，渗氮后的阀杆表面硬度高、耐磨、抗擦伤，抗腐蚀。③由于温度、压力等原因，阀门口径DN50以下的阀体、阀盖为模锻件、DN65以上的阀体、阀盖为铸钢件。④阀体材料品种齐全,填料、垫片可根据实际工况或用户要求合理选配,能适用与各种压力、温度及介质工况。⑤安装阀门时注意介质的流向，严格按阀门流向箭头指示的方向安装。⑥电动截止阀尽量垂直安装，阀杆向上。J941H-10C DN32/J941H-10C DN40/J941H-10C DN50/J941H-10C DN65/J941H-10C DN80/J941H-10C DN100/J941H-10C DN125/J941H-10C DN150/J941H-10C DN200/J941H-10C DN250/J941H-10C DN300/J941H-10C DN350/J941H-10C DN400/J941H-10C DN450/J941H-10C DN500/J941H-10C DN600/J941H-10C DN700/J941H-10C DN800/J941H-10C DN900/J941H-10C DN1000/J941H-16C DN32/J941H-16C DN40/J941H-16C DN50/J941H-16C DN65/J941H-16C DN80/J941H-16C DN100/J941H-16C DN125/J941H-16C DN150/J941H-16C DN200/J941H-16C DN250/J941H-16C DN300/J941H-16C DN350/J941H-16C DN400/J941H-16C DN450/J941H-16C DN500/J941H-16C DN600/J941H-16C DN700/J941H-16C DN800/J941H-16C DN900/J941H-16C DN1000/J941H-25C DN32/J941H-25C DN40/J941H-25C DN50/J941H-25C DN65/J941H-25C DN80/J941H-25C DN100/J941H-25C DN125/J941H-25C DN150/J941H-25C DN200/J941H-25C DN250/J941H-25C DN300/J941H-25C DN350/J941H-25C DN400/J941H-25C DN450/J941H-25C DN500/J941H-25C DN600/J941H-25C DN700/J941H-25C DN800/J941H-25C DN900/J941H-25C DN1000/J941H-40C DN32/J941H-40C DN40/J941H-40C DN50/J941H-40C DN65/J941H-40C DN80/J941H-40C DN100/J941H-40C DN125/J941H-40C DN150/J941H-40C DN200/J941H-40C DN250/J941H-40C DN300/J941H-40C DN350/J941H-40C DN400/J941H-40C DN450/J941H-40C DN500/J941H-40C DN600/J941H-40C DN700/J941H-40C