Flange loose Sleeve expansion joint is also known as flange loose Sleeve compensation j...
Pipe telescopic connection: Flange connection, welding two kinds, direct b...
刚性防水套管 刚性防水套管是钢管外加翼环(钢板做的环形套在钢管上),装于墙内(多为混凝土墙),用于一般管道穿墙,利于墙体的防水; 柔性防水套管除...
sists of the diameter tube, inner Sleeve, sealing seat, flexible graphite ...
.2. The compensator for the inner Sleeve should note that the direction of...