HG/T 20592  法兰盖 BL 100-16 FF D=65

BL100-16 FF D=65

wn50b-40fm sch800pL50RF30 n=4 L=2

WN 150-300 RF

PL100(A)-10RF12410r0616

WN40(B)-16RF rf/N6 RF b=3RF SFf sch

WN200-150 RF Sch40 S=1625F

47022 fm 1100-1.02/5ch80pampcch40b)-F80s0/

WN250-150 RF/142-f023F RF R═р²пRJ WN400Sch S2 Sch