NB/T 47021  法兰 M 800-0.6/721 R4w5@

47021 M800-0.6721 R4w5@

WN 100(B)-16 RF S=3

WN 500(B)-25 RF S=16

PL400B-16 RF

BL 2 1/2"-150 RF

WN 40-150 RF Sch40S

SO500(B)-16RF

so 100a-150 rf

PL 250(B)-16 RF

WN 80(B)-16 RF S=36 RC0 RF0S10RFcoRF0RF6п©Б∙░я bl1�Б40S S RFF0=�1.6/62-145