GB/T 12459  异径三通 DN 750×750×300-Sch60TR500-2025-16

DN 300×300×750-Sch60 TR500-2025-16

WN450-16 RFmHGT230 RF B=63=4.5

BL300(B)-63 M5- RFB)-1S/=20RSh4610ch1

WN 1/2"-2500 RJ S=3.73

WN 100(B)-16 RFSRF s=

PL600(B)-6 RF C=25 B=824 D=975

wn80(b)-300Ma

wn500b)-25rf00FFF S=56/uRc0FFD=95.

pl80(b)-10 rf