RSV/DV Closed Loop Transfer System It can be integrated into plastic or metal drums with the appropriate 2”BSP, 56x4mm or 2.5” American Buttress internal thread. The attachment of the dry break coupler enables quick and safe transfer of hazardous products from drum to dispense equipment. The RSV/DV system offers the following benefits: Closed filling and dry break emptying with less than 1ml residue Enhanced worker safety Improved product integrity and quality Range of seal materials for wide chemical compatibility Available with a range of UN tested containers Fully replaceable seal system Automatic filling and cleaning facilities available Please visit the Literature page for product leaflets and brochures or contact us to discuss your requirements. Downloads Containers Returnable Stainless Valve/Drum Valve Returnable Stainless Valve/Drum Valve (RSV/DV) Flow Diagram View more