Performance and use of the exhibition type discharge valve: easy to operate, open free, flexible and reliable movement; valve assembly and maintenance is simple, the sealing structure is reasonable, and the sealing ring replacement is convenient and practical. Structure: mainly by the valve body, valve, seal, valve stem, valve gland, bracket, handwheel, flanges, nuts, screws and other parts.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
上展式与下展式的区别:
1 折叠启闭行程
启闭行程不同,安装尺寸有大小上展式和下展式放料阀启闭行程小、安装高度较小。旋转杆结构形式安装高度小,在启闭过程中柱塞只做旋转运动,它要依据带有启闭位置指示器来判断阀门的启闭和位置。
2 折叠启闭力矩
上展式放料阀为阀瓣向上运动阀门打开,打开时阀门需克服介质作用力,打开时较关闭力矩大。
下展式、柱塞式放料阀为阀瓣(柱塞)向下运动阀门打开,打开时运动方向与介质作用力相同,因而打开时较关闭力矩小。