双阻塞与排放功能:固定球阀采用弹簧预紧浮动阀座,无论阀门处于全开或全关状态时,上下游侧的阀座使流体阻断,阀体中腔滞留物通过排放阀排泄。
全焊接球阀
双放散燃气专用球阀
Contacts:Mr. Liang
Mobile:18911771888
TEL:086-010-87008000
E_mail:18911771888@qq.com
Address:5 / F, Fengwu building, No.1 courtyard, Dajing Dongli, Fengtai District, Beijing