NB/T 47021  法兰 FF 900-1.6F

nb/t47021ff900-1.6F

SW 20-150 RF8RFRF0(B)-16 RF S=61=2.5

pl100-16rf0 rfBB=40g01100-arget RFF100F sFF SF F s.0B=26 sch1

WN100(A)-25RF AA=.6/150--16tRF3

WN40(A)-16 RF8/485

LWN 25-150 RF B=2.87S=pampamp

BL 100-300 RF Sch40S Sch80S7/

SO200(A)-150RF5F

wn2