上海淞江减震器集团有限公司介绍：DN40铜头丝扣金属软接头产品信息，这里说下DN40丝扣金属软接头参数：长度150/200/250mm，轴向压缩10mm，轴向拉伸5mm，横向位移20mm。淞江集团生产各种管道软连接产品，以下是丝扣波纹软管介绍，该产品具有良好的减震效果，使用成本低，寿命长达10多年。

Shanghai Songjiang shock absorber Group Co., Ltd. introduces the product information of Dn40 copper thread metal soft joint. Here are the parameters of Dn40 thread metal soft joint: length 150 / 200 / 250mm, axial compression of 10mm, axial tension of 5mm, transverse displacement of 20mm. Songjiang group produces all kinds of pipeline soft connection products. The following is the introduction of threaded corrugated hose. The product has good shock absorption effect, low cost and long service life of more than 10 years.