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異徑三通

Nominal	Socket Type			Structural Diameter
SIZE	d1	D	D3	D1	L1	L
3/4"*1/2"	24.1	33.6	15.3	28.0	16.3	63.1
1"*3/4"	31.0	42.4	24.1	33.6	18.2	74，0
1-1/4"*1"	39.0	52.6	31.0	42.4	21.6	84.1
1-1/2"*1-1/4"	49.0	66.0	39.0	52.6	25.2	101.5
2"*1-1/2"	61.9	84.4	49.0	66.0	28.6	122.4
2-1/2"*2"	73.6	95.8	61.9	84.4	32.5	138.2
3"*2"	88.3	113.7	61.9	84.4	36.2	138.2
3"*2-1/2"	88.3	113.7	73.6	95.8	36.4	164.1
4"*2-1/2"	107.9	138.4	73.6	95.8	41.9	193.8
4"*3"	107.9	138.4	88.3	113.7	41.9	193.8