You are here: Home Products Albion Valves (International) Ltd Hydronic Balancing & Controls ART 28DP ART 28DP Datasheet BIM IOM DZR Brass Variable Orifice Double Regulating Valve. EPDM Seat. Conforms to BS 7350 / BS 5154. Connection BSP Parallel (ISO 7/1) Pressure 25 Bar Temperature -10°C to +120°C Add to brochure Add to enquiry