HG/T 20615  法兰 JWN 80×125-150 RF S=4

JWN 80×125-150 RF S=4

WN 80-300 RF

SO 150-150 RF

PL150(B)-25 RF010-58 PL300(B)

WN 10"-600 RF Sch80

WN 100-150 RF Sch40S

PL80-40RJ1A BL0 RF Scs�90 RF Sch40SS00H80

PL 500(B)-6 RF

47023 m1500-1.0/70-1

WN900(B)-10RF S=1016 RF(b)-6rf0/45-105 sssF0