GB/T 12459  等径三通 DN 250-Sch20TS0å&50(B/Ramp

DN 250-Sch20 TS0å&50(B/Ramp

3 C2

PL 200(B)-16 RF d=266 b=4

wn50-150rf、0-2.5 FFFM S=2

wn250(B)-40 T= T=1

LWN25-150 RF Sch80 H=199=462.5

NB/T47021 C-RF900-0.6 δs=7

PL450a-16RF0SC ОҙR RJRF Sch16.00RF

WN150(B)-40 FM S=5RF2 r0.2

SO400(B)-10GFFM1