You are here: Home Products Albion Valves (International) Ltd Hydronic Balancing & Controls ART 27 ART 27 Datasheet BIM IOM DZR Brass Orifice Plate. Fixed Orifice. Standard, Medium, Low, Ultra Low and Ultra Ultra Low versions available in ½". 5 Year Guarantee Connection BSP Parallel (½") Taper (¾ - 2") M/F Ends (ISO 7/1) Pressure 20 Bar Rated Temperature -10°C to +120°C Add to brochure Add to enquiry