ASME B16.47  法兰 WN 32"-150 RF B=792.3Я6 RF0-10 RF S

PL 80-6 RF RF0RFBB=110F RF-1-50 RF

BWN32"-150 RF B=792.3Я6 RF0-10 RF S

PL 20-16 RF B=26 b=3

WN80-10 FmRF1Fef910CmpfRF0@RF RF1uotf r /40N0sker/6rf b=33 f1

PJ/TH 65(B)-16 RF

BL450-10M2.5F-40fm0f=20 δ=32FB)-

SW15-150RF356

WN 15-600 RF SCH40

470