Flange bolt connects tee bend of single entry telescopic joint

The utility model belongs to the technical field of pipe connection and pipe connection extensible member, concretely relates to flange bolt connects tee bend of single entry telescopic joint. Have that interchangeability is good, the wearability is high, impact resistance, can adjust advantages such as flexible distance on a large scale, it is reliably practical. The technical scheme of the utility model including the trunk line, the trunk line paste to cast to press by cast stone pipeline layer, filling layer and reelpipe layer in proper order from inside to outside and form, cast stone pipeline layer on vertical welding have the glass -ceramic tubre constitute to go up the interface, go up and be provided with the 2nd flange on the external circumferential wall of interface, the outer wall of a port of trunk line on be provided with a flange, the inner wall of trunk line be provided with before limiting check ring and back limiting check ring, another inner wall of the port of trunk line on be connected wi