Self-pressure Slip-type Expansion Joint

Nominal Diameter: 32-1200mm 
Working Temperature: <=350
Working Pressure: 0.25-1.5MPa
It's a new high-tec product of our company certificated by the proper authorities.With a self-sealing device added,it successfully solve the problem with other types that sealing effect lowers down or leakage occurs after a period's use due to the loss of sealing material.Using this type,production cost reduced indirectly,and production efficiency improved.It applies to various of heat-supplying pipelines such as buried directly,trench and overhead ones,etc.