HG/T 20592  法兰 WN 80(B)-10 RF S=8080ndef16RF-46 RF8)0 R÷п

WN80(B)-10RF S=8080ndef16RF-46 RF8)0 R÷п

PL 150(B)-16 RF f1=3 b=3 B=116

WN 700(B)-10 FF/1/ b1

so 200-150 RFch80Sch80 RF Sch120-106702mpampampampampampam6 S=140

PL 80(B)-6 RF´rf-1H407

PL150(B)-16 RF2-1000-6 DN=800 δn=6M1.

WN100B-10RF A=127 D=300 N