转动环

铬钼钢 A193Gr.B7 M20 x 240mmL x P2.5 附重型双螺帽

"JOHN CRANE" P/N:C48-3500-007-8270

"JOHN CRANE" P/N:H 3250 781 1903

"JOHN CRANE" P/N:C48 4000 008 8270