HG/T 20592  法兰盖 BL 300-100 RF5-154 b=3fⅡ050

BL300-100 RF5-154 b=3fⅡ050

WN 100(B)-40 G S=5

wn20 -300rj03�ёўВаё°а

DN40-PN16 TH RF â…،=3-3 rf100 LFM Sch80-2

BL 1 1/2"-150 RF

SO 150-6 RF00F N=3Y/ch800 RJT0 M f5 RF0-

wn50-10 m-1S=15=500РІТ–Тҡ@FRF@4 RJ

B WN 40"-150 RF