HG/T 20592  法兰盖 BL 300-10 RF Sch10S

BL300-10RF Sch10S

WN 3/4"-900 RF Sch40S

PL80B-16RF b=4

SO 400(B)-16 RF

WN 1"-900 RF Sch40S

WN 10(a)-63 RF S=3

PL80B-16RF b=3.5

BL 12"-900 RJ8@442sss.5 R

bl50-16RF d=100

bl80-16RF d=1005@R20ESs=3. Sch10 FF5)ch5rf s0ce/u0Sch=40S Sc.5RFS3