NB/T 47021  法兰 RF 800-1.0δ=54

47021RF800-1.0δ=54

LWN250-300RF B=245 H=

SO50(B)-40TRam8/C

WN100-10RJF1450(R

3 B4

so 50-150 RF

PL 300(B)-6 RFS=38.5

SO450(B)-10 RF

3 B3

PL450B)-2.5 RF B-500 RF SCH40050-2500 RJ;-150 LT2@RF@443RF@0 RFB)-16PL RFc)-16RF200sch00-Sch140 TRRF R5FFRFRF ط�