GB/T 9124.1  法兰 DN250-PN10 IF RF Ⅰ Fch60@RF@4 Rch44060f RF Sch12.5 RJ-R�RF@RR

DN250-PN10 IF RFFch60@RF@4 Rch44060f RF Sch12.5 RJ-R�RF@RR

BI 74749

BII 37830

BI 71302

PL65(B)-16RFF/u rf

BI 13495

WN 300(B)-16 RF S=3778F1655h4011529S/2@RF@4R0SSc1@-150 RF Sch182200-

pl65(b)-16 rf d=66

BII 3700 δ4=12 δ2=12 δ3=12 δ1=12

WN22-150