The DA Series is ideal for OEM applications using pre-fabricated assemblies to streamline construction. Extremely effective protecting bulk liquid vessels and transporting trailers. Also fantastic for use with industrial pipelines / LNG systems. High flow rates nicely complements the AR Series. A strong control arm is clearly labeled for positive isolation; RegO® needle valves can accompany for easy gas bleed. Pressure Rating: 725 PSI (50 bar). Temperature Rating: -325°F (-198°C) to +165°F (+74°C).