Extensive field research and engineering have developed this state-of-the-art design which provides excellent shutoff protection (bubble-tight shutoff) and high Cv values. The Series 22/23 resilient seated butterfly valve is crafted in a variety of materials such as PTFE, PFA, Stainless Steel, UHMWPE and special alloys to fit a wide range of customer requirements. As with all Bray's products, precision manufacturing and exceptional quality remain the keys to a proven record of long service life. Specifications: • Size Range: 2" - 24" (50mm - 600mm) • Body Style: Wafer, Lug • Temperature Range: 0°F to 392°F (-18°C to 200°C) • Pressure Ratings: Bidirectional Bubble-tight Shutoff: 150 psi (10.3 Bar) • Body (CWP): 150 psi (10.3 Bar) • Body Materials: Ductile Iron, Carbon Steel, Aluminum • Disc/Stem Materials: Stainless Stainless Steel, PTFE/SS, PFA/SS, UHMWPE/SS, UHMWPE/DI, Hastelloy®*, Titanium • Seat Materials: PTFE, Conductive PTFE, UHMWPE • Applications: Highly Corrosive, Toxic Media