GB/T 12459  弯头 DN 20-Ⅱ-290EL1.05 δ=35261700-1.ampquotRF sch

DN 20-Ⅱ-2 90EL1.05 δ=35261700-1.ampquotRF sch

PJ/SE-200-10RF=6R=9R900 RJ S=5

PL 250-10 RF D=RF1.0 S=6F=240/120-113.8.0Sh16.5â

PL100(B)-16 RF D=219 C=/00AN240pjy

TPB-4

LWN 25-150 RF

WN 50-150 RF S=15.09

WN 15-600 RF

PL65B-40RF

PL80(b)-16RF b=4