ASME B16.47  法兰 WN 30"-150 RF B=722

WN 4"-150 RF Sch4490

A WN 30"-150 RF B=722

WN80(B)-16 RF11780

WN 25-150 RFยฌh4080mSFo/aTG S Sch1F16°FS0m

LWN200-300 RF B=206 H=

SOP RF 10K 25A64.6=48-1

PL 300(B)-16 RF2185

3 B1709Sch34240-300 RF Sch80.4 Nam0@15

WN 150(B)-100 RF S=10.2