食品衛生級管件規格	尺寸(inch)	外徑(mm)	管壁厚度(mm)
3A-BEVEL SEAT	1"	25.4	1.65
3A-BEVEL SEAT	1.5"	38.1	1.65
3A-BEVEL SEAT	2"	50.8	1.65
3A-BEVEL SEAT	2.5"	63.5	1.65
3A-BEVEL SEAT	3"	76.2	1.65
3A-BEVEL SEAT	4"	101.6	2.1