管接头尺寸标准
规格型号上口尺寸下口尺寸孔深台阶高度2"60.5955285
1 1/2"48.5443.3274
1 1/4"42.4437.3274
1"33.6928.6263
3/4"26.9122.8213
1/2"21.5617.5212
3/8"17.3314.16162
1/4"13.8510.7152
1/8"10.428.4112
