GB/T 12459  异径三通 DN 1000×1000×950-Sch120TR

DN 950×950×1000-Sch120 TR

WN 500(B)-40 RF RF80M S=6a P0 RFch80sRF S=

3 FF 2800-0.2520δ0=12

WN 250(B)-16 FF S=3206f35=8F530 S=0

PL50(B)-16 RF美标RF0p00 rf

So20-300RFF8J50пҝҪa

WN100-150 RF4RF Af.56RF04RF0RJ0F00r

WN 80-300 RF Sch40SSFM

WN250-15