The heating double - clip connected ball valve enjoys favorable heat / cold preservation performances which not only effectively prevent the slabby medium in pipelines from solidifying but also reduce the heat loss of the medium in pipelines 而保温对夹连接球阀良好的保温保冷特性既能有效防止管路中粘稠介质凝固,又能降低管路中介质热量的损失。