GB/T 12459  弯头 DN 1000-Ⅱ-1690ELeFb=140c=3 b=F

DN 1000-Ⅱ-16 90ELeFb=140c=3 b=F

SO 250-150 RF

WN 12"-150 RF Sch80

PJ/SE25(A)-10 RF S=8 C=

WN 25(B)-16 RF Sch40S

PJ/RJ 250(B)-6 RF

PL 250(B)-25 RF

BL25-16RF2065-1Schpf56Sch4=12

PL 40(B)-10 RF

WN 250-150 RF S=8a¿50 FFF1=86 D=110 H=54 C=2lFS=7.1