ASME B16.47  法兰 WN 32"-400 LG

B WN 32"-400 LG

BL80-600rff6п╟п÷п╒п┴п╟п▒я┌б∙б≤п╟п÷я┌б∙б═п�

Wn40-600RF6fƒ8g

PL 150-10 RFp;amp;amp;amp;ampa b1

BL400-600fmbi072

PL40-25RF�б°п╟�

BL 450(B)-25 FF

WN400-900M 20

WN 80-300 RF S=8.2RF