NB/T 47022  法兰 C-T 1000-2.5/28R-900 R0B-6-1/6

2 CT 1000-2.528R-900 R0B-6-1/6

47023 FM 800-1.6 δ=84a

LWN 50-150 RF H=19hRF2-

SW 1 1/2"-150 RFb031-16B)-25MS=10

WN50B-63MS=

PL50(A)-16FFB�-R

20592 PL300B-6RF)-1612 δ2=1FR-RF6 D=am0-170ä5rf-

BL25B)-16RFrf sï23/-100-1 a-16rf

SO125-25 t 9

b