手动截止阀：　 手动截止阀用来截断和接通管路中介质, 适用于液气介质管路和设备，手动截止阀特点：　　1.手动截止阀具有操作简单、启闭灵活、无噪音等特点。　　2.手动截止阀具有操作方便、密封面不易损伤、使用寿命长的特点。　　3.手动截止阀结构紧凑、密封可靠、不易产生水锤现象。　　4.手动截止阀采用全焊密封式阀体与阀盖以及螺纹连接内压自紧式阀盖，密封性好。Manual stopping valve：Manual stopping valve is utilized to stop and connect the medium in lines. It is applicable in liquid medium lines and equipments.Manual stopping valve’s character：1. It is easy to be used, open and close and it has no noise2. It is easy to operate. It has hard sealed surface and good durability3. It is firm, reliable, and it is not easy to have water hammer phenomenon4. It  adapts totally welded closed valve body and flare connected self-energized valve top. It has good sealing.型号接口尺寸（in）长度（mm)高度（mm) 型号接口尺寸（in）长度（mm)高度（mm)RD-H-061/4"6067 RD-L-061/4"6067RD-H-103/8"7380.5 RD-L-103/8"7380.5RD-H-121/2”8786 RD-L-121/2”8786RD-H-165/8"9294 RD-L-165/8"9294RD-H-193/4"108109.5 RD-L-193/4"108109.5RD-H-227/8"122.5118 RD-L-227/8"122.5118