HG/T 20592  法兰盖 BL 450-10 MmpampwRF D=21SRFSCH0×300-5 TRam@4RJ RFSCH40S rf@40@S5 RJrvlet/F sF080

盖 BL450-10MmpampwRF D=21SRFSCH0×300-5 TRam@4RJ RFSCH40S rf@40@S5 RJrvlet/F sF080

BL 150(B)-10 FF

SO 25-150 RF59.0 δtПН5..016p@ТА

PL 150(B)-10 FF

DN1000-PN25 WN RF

wn20(b)-63RF=7.11

WN 200(B)-40 RF

WN 550-150 RF��25F S=(B)

B WN 800-150 RF