食品衛生級管件規格	尺寸(inch)	外徑(mm)	管壁厚度(mm)
SMS	1"	25.8	1.2
SMS	1.5"	38.0	1.2
SMS	2"	51.0	1.2
SMS	2.5"	63.5	1.6
SMS	3"	76.1	1.6
SMS	4"	104.0	2.0
SMS (EB)	4"	101.6	2.0