HG/T 20592  法兰 SO 500-10 FF=24 BB=

SO 500-10 FF=24 BB=

WN150-300 RFs RF

WN80B)-40 RF/mF S=40

pl800(a)-2.5rf1001�

WN15 -300 RF 904L0=

lwn40-600g h=172.5CH10SFF=35.6F60-F/S6 S6 R/50-1b)- RF

WN 25-600 G-1650 RF S=

so65(a)-16RF1025 r0-1900 RFhg0060-205F Sch A=432 S/3II0 Rmpa

BI 406-