Purolator is a leader in the design and manufacture of both quiet and non-quiet air, water, fuel oil and manifolds for the use in naval ship applications. For over 35 years, Dahl valves have been operating aboard ships in the US Naval Fleet.
637/640, 688, Trident, Seawolf, Virginia and SSGN classes
Surface Ship Applications
fuel oil valves in accordance with mil-v-24568 on various classes of surface ships