GB/T 12459  异径三通 DN 1200×1200×500-Sch30TR

DN 500×500×1200-Sch30 TR

BL500-16RF Sch80SFF S=

PL15(B)-16RF2515-=4

BL 300-16 M

A WN1200-600 RF16rf/

so20-150rfsch40s@prf°S1=8)-6RF40GRFδ=6 S1=6/

PL40-25fFL==8155 î´0=10f" s=1s0S.25R-16 RF2w84Ff6000a0FEF

SO 4"-150 RF

PL 15(B)-25 RF)-