Connection Mode: Flange Mode

Product Features: This product is double flange expansion joint and is formed by telescopic seat, sealing ring and telescopic tube. It can be stretched in a certain scope to meet length desire in site and sealing degree can be adjusted at any time to avoid leakage. Also, it can extend in axial direction in certain scope to overcome offset caused by different axis connection in some degree and make it extremely convenient to assembly and disassembly of valve and pipe.