VALVES UNDER FIRE
S40 butterfly valves have passed the BS EN ISO 10497:2004 Second Edition fire test with zero leakage, both through-seat and externally. The body material of the valve is nickel aluminum bronze and the stem packing is flexible graphite preventing fire damage. The valves offer bi-directional, bubble-tight shut off with Class 150, 300 or 600 pressure ratings in wafer and lug style bodies sized from 2 ½ in. to 54 in. Bray Controls; 281/894-5454; www.bray.com
