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Specifically designed for ease of maintenance, high flow and durability the simplicty of the design of this valve make it ideally suit to oil companies and transporters of petroleum products who require a tough,reliable,high flow enmergency valve. High quality die cast body and component materials to international standards are used for durability and performance. Lightweight aluminum construction for increased payloads. Packed gland shaft for easy serviving. Plug fitted ready for drying application. All running surfaces are bushed for smoother operation and longer service. High lift poppet for maximum flow. Shear groove meets TTMA and DOT 406 requirements to limit product spillage in the envent of an accident. Closure by self centering plunger and durable compression spring. Removable bonnet assembly enables seal change without removing valve from the tank truck. Stainless Steel cam with bearing boot on plunger stem for smooth operation and extended life. Victaulic & TTMA flanged variants available. Drying ready for proposed future regulations. Air cylinder kit available. Model D0 D1 D2 D3 H H0 Z-d0 Z-d1 b Pressure C804SD-80 Φ182 Φ155 Φ145 Φ120 105 112 6-Φ14 6-Φ14 14 0.6mpa