American standard high pressure rubber joint: Size: DN50mm--DN600mm Rubber material: EPDM, NBR, NR Flange:ANSI B16.5 150LBS American standard high pressure rubber joint:Size: DN50mm--DN600mm Rubber material: EPDM, NBR, NR, SIFlange:ANSI B16.5 150LBSRubber sphere: Single sphere package: each joint will be put into single carton then into wooden case Material of Each components:No. ...