WJ41-16-DN15,WJ41-16-DN20,WJ41-16-DN25,WJ41-16-DN32,WJ41-16-DN40,国标波纹管截止阀





结构长度


GB12221




连接法兰


GB9113、JB/T79、HG20596




试验和检验


JB/T 9092、GB/T13927




WJ41H国标波纹管截止阀产品性能规范

12/23 22:51