... . Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500 EU Series: PN 2.5, PN ... sealing surface type U.S. Series: Flat (FF), suddenly face (RF), groove (G), convex surface (MFM), ring joint face (RJ)Packing ... or wooden pallets or as per customer's requirement cl150 rf blind flanges