GB/T 12459  弯头 DN 150-Sch8090E3D

DN 150-Sch80 90E3D

WN200-150 mF016 RF6 RF-

PL100(A)-10RF6 rfa/cF2-sg/

1 RF 900-1.0fM S

SO 450(B)-16 RFR

3 RF 1800-1.6 d=�LF Sch80=1015 C=38 K=950

BL250-10RF C=28/560=/R156 b–گ4&ampampamparf0R=26

B WN 800-900 RF Sch5

BL 55-2500 RJ

HG/T20592BL5