GB/T 12459  异径三通 DN 650×650×250-Sch20TR80-Sch60

DN 650×650×250-Sch20 TR80-Sch60

PL250(B)-16 RF R-1.00RB)-6 RF

SO 250(B)-25 T1h80=36S=4(a

BL 24"-150 FFRJf1=3M,S=4154.5 963rf2�35 δ1=101

WN25-300RF SCH80/00RFch40SB)-F0RF FM1.

LWN50-150 RF S=12.

WN50(A)-16MFMH80 H=27620RFF0-1.

BL125-160T30