GB/T 12459  异径三通 DN 200×200×10-Sch20TR

DN 200×200×10-Sch20 TR

3 fm 1100-4.0/114-205

hg/t20615wn150-150rf510 rf

47023 RF1500-4FSch40 A

3 RF 300-2.5 δ0=10

wn600(b)-10ff R00-2.5/RF150RFrum.html1

WN650-300RFF000-/

2 T 1500-1.00fm00cFS=2 S=3.5RF M50.6/70-

1 M 2000-0.25 δs=10

PL32-16RFml6rf