管帽

Nominal	Outside Dia	Socket Type
SIZE	D	d1	d2	D1
1/2"	28.0	19.3	16.3	21.1
3/4"	33.6	24.1	18.2	24.3
1"	42.4	31.0	21.1	27.4
1-1/4"	52.6	39.0	22.6	29.6
1-1/2"	66.0	49.0	25.2	34.1
2"	84.4	61.9	28.6	41.4
2-1/2"	95.8	73.6	32.5	44.9
3"	113.7	88.3	36.4	53.4
4"	138.4	107.9	41.9	61.6