HG/T 20592  法兰 PJ/SE 0(B)-6 RF400-150RF B=7235

PJ/SE0(B)-6 RF400-150RF B=7235

DN150-PN10 PL RF0h40

WN300(A)-300 MRFRFFs=62F S

BI 800-S h=300/

bl700(B)-16 RF38 H=169

BL125-16RF C=169990-55= H=2536==00c2Hm

BI 5000170s=6250-150 RFm62009so65(R4.

SP-6 δ=8 S1=16c

PJ/SE25-16 FF6f.64/45-1=-63M00Ârf0-0