由直管SR和分支TCL组成，在实际安装过程中，可以现场在直管上开孔，再和TCL连接，适用D＞250。不带胶圈，请加注X。

STR-typethree-waybytherectangularstraighttubeandthecombinationofheavenandearthtoround.Accordingtothethickness,materialandotherrequirementstodeterminewhetherbythepressuretendons.

ItiscomposedofstraightpipeSRandbranchTCR.Intheactualinstallationprocess,itcanbeopenedinthestraightpipeandconnectedwithTCR.ItissuitableforD≤250.

STA-typethree-waybytherectangularbranchpipestraighttubecombination.L1≥100,indicatetheopeningside.Accordingtothethickness,materialandotherrequirementstodeterminewhetherthereispressuretendons.

SXC-typefour-wayrectanglestraighttubeandMamouthSCcombination,L1,L2≥100.Accordingtothethickness,materialandotherrequirementstodeterminewhetherthereispressure.

L1≥100,L≤1390.Accordingtothethickness,materialandotherrequirementstodeterminewhetherthereispressuretendons.

Thespecificsizeandrequirementscanbecustomized.

Thespecificsizeandrequirementscanbecustomized.

Thespecificsizeandrequirementscanbecustomized.