ASME B16.47  法兰盖 BL 100"-150 RF f=2RF RF16516

BL 100"-150 RF f=2RF RF16516

WN32B-300RF�4 s

wn250b-40rfs=9R

2t450-2.5R@aw0-b�0=10 S=4.0h8039@���77.5 RJ Rpampasch6s840@RF SCH4

WN 25-16 RF=5�3-u150

so20(a)-150rf

WN 10-300 LFM

WN 25-2500 RF B=21.1s

WN50-300RJ S=4

47021 rf1100-0.6 �