GB/T 12459  同心异径管 DN 400×300-Sch10SRC δ=5LT Sch80S½3rf1-RJFMAA=

DN 400×300-Sch10S RC δ=5LT Sch80S½3rf1-RJFMAA=

PL 150(B)-16 FF

lwn40-300rf sch40 H=203 hg/t20

3 RF 200-1.6

3 RF 1000-1.6 δ0=10

SO 80-40TGX=19hF6/50-1651r

3 RF 250-1.6

LWN 1/2"-300 RF B=STD L=440 Y=3

SO 40-150 RF

Pl32-10rfF040FhtfïR0RF@R@c1