HG/T 20592  法兰 PL 400(B)-6 FM5400)-4mN53/06 RF bpa=pam R

PL 400B-6 FM5400)-4mN53/06 RF bpa=pam R

WN65(A)-10RFS=60592B)-16RFm)=26 cStml

WN 80(B)-6 G b=35

WN400-300 RF SCH80F Sch4002f2.

WN 500-10 RF Sch40

wn100-600 m b=1F C=1800 r.S=4.¦Ã144

SO150(A)-40RF150FM f3= B=15481.0RF700-0.251=3b.6 R1=1

SO300-150 RF