GB/T 12459  异径三通 DN 1500×1500×500-Sch80STR

DN 1500×1500×500-Sch80S TR

PL 300-6 RF=23 f1=3 (b)-16rfF b=4bh80rf1

PL100 (B)-16RF50 RF Sch40FF80S B1=18.5SRJ Sch44am€�pampampampamp

5 FF 800-0.2520δ0=14

PL25(B)-6RFS

WN 800(B)-16 RF S=10

WN400-900RJ S=40amph1Ro0RF00

WN200B-63RJ2-S=41-m.40

BL2