SS-4PDF4、SS-4PDF6、SS-5PDF8、SS-8PDF12美標旋轉內螺紋直通閥SS-7PDF10 產品編碼 接頭尺寸 L H Do 重量（kg） SS-4PDF4 1/4*NPTF 57 75 45 0.45 SS-4PDF6 3/8*NPTF 57 75 45 0.45 SS-5PDF8 1/2*NPTF 68 90 56 0.6 SS-7PDF10 3/4*NPTF 80 100 70 1.1 SS-8PDF12 1*NPTF 90 108 80 1.5