JIS B2220  法兰 BL FF 10K 25A 1835h=f

BL FF 10K 25A1835h=f

WN150A-150 RF B=1

BL150A-6FF/comp0-0.2560

so25(b)-16rf d=10 200

WN500-16 RFff sN3000a2/u00c3/

PL40-16 FFSc70.5sch Asme001

WN350-600RF Sch400FFch80srumf56rf5)M

3 RF 2400-0.620δ0=20110

B WN800-300 RF B=774.3

20615-wn50-150 rf sch.