弯头 DN 65-Ⅱ-490EL

PL150-16FF AA=180

DN 65-Ⅱ-4 90EL

PL100-16FF D=1455 B=1230 C=48 K=1380 n=3

pl 50-16 FfRFRFRFS=66 RF/ rf xx

PJ/SE 80(B)-10 RF S=4.5

PL300(B)-2.5RF/f sch308

LWN80-300RJ

PL80(B)-10 RF BB=

WN15(B)-40RF S50-2500RF-.620 RF6.5400fm sch.6

BL250-6ffF16 RF S=