You are here: Home Products Albion Valves (International) Ltd Hydronic Balancing & Controls ART 270 PN25 ART 270 PN25 Datasheet BIM PN25 Stainless Steel Orifice Plate (OP). Fixed Orifice. C/W Ext & Test Points. Connection Wafer pattern. Fits between BS EN1092 flanges PN25 Pressure 25 Bar Rated Temperature -10°C to +120°C Add to brochure Add to enquiry