等径三通 DN 50-Ⅱ-Sch40STS

DN 50-Ⅱ-Sch40S TS

WN300(B)-25RF16 FF C=32

WN150(B)-16RF S=6 GB/T20592-200

LWN 20-300 RF1.ch.0BB

47023 fm800-6.4 δ1=12

WN 50-25 RF.51=1105 D2=105661=51=55 H=10

BI 8506rf)-S1

PL25(B)-40MFSc/40S0901.5MfFM4/82-16

SO25-1500RJ D=133 C=30.2-163.5

WN25