法兰 WN 350-40 RF-16 RFF Sch40 S=806 RF Sch40s b=3 A/

WN350(A)-40 RF-16 RFF Sch40 S=806 RF Sch40s b=3 A/

WN100-100RFSR8 FM

BL50-100 RF

WN20(B)-40 MF5 î´=50b-40m s=4.50 ãžâ´1=18JS-6 RF

WN50(B)-16 RF S

WN100-100rj/

wn500b-10RF1FM

WN 600-150 RFB=560.6h406 δ0=13 h=82.525 RF

BL150(B)-16RF S=5

wn30