GB/T 12459  异径三通 DN 1050×1050×90-Sch80TR

DN 1050×1050×90-Sch80 TR

WN 50-300 RF0218 h=-0.62a S

BL20(B)-160FM4h40/RF

wn100B-160rj8fhg/t214 H=120F d= rf6 rf s=3.5rf00RFc009F

wn15(a)-600 rf6-1

WN 50-600 RF S=13

WN25-900 RF Sch80F盖00-3pl65(b)-14 S=500-

WN 100-600 RF S=1605

WN 500(B)-16 RFb