Natural gas pipeline is how to connect the seal? How to do not leak
Steel pipe connections are divided into threaded connections and welding. Threaded connection can be sealed with raw tape. Some direct welding welding, and some use flange connection, the use of flange gasket seal (according to different pressure to have different gaskets). In general, the use of low pressure screw connection, so the raw tape is not suitable for high pressure gas seal. In addition, there is a disadvantage of raw tape is removed, so the need to dismantle the site or do not use the tape.
The General PE pipe welding connection or hot melt connection, low pressure metal pipe with the raw material for winding wire link set,,
The utility model is connected through a flange and is fixed by bolts, and the middle part is provided with a cushion, a graphite winding or a metal winding
