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The drain valve is periodically opened by the controller. â'¢ Low pressure drop of 3% of inlet pressure at design airflow. Clean and dry compressed air is let out through the outlet shuttle valve and Purge Control valve. This dryer will withstand the vibrations, temperature in a locomotive platform outside the locomotive. â'¢ Low MTTR â'¢ High MTBF â'¢ All aluminium construction for corrosion-free long life. RAILROAD PRODUCTS - AIR DRYERS â'¢ Designed for locomotive use â'¢ Non-volatile memory system â'¢ Automatic Purge control valve â'¢ Fixed Volume Automatic Drain valve OPERATIONS: Moist air from the compressor enters into the Pre-filter through the top manifold.g. â'¢ Desiccant health indicator for each desiccant tower. The regeneration phase is shorter than the drying phase in order to allow the regenerated tower to return to service pressure before a new cycle starts. Fine Alumina powder which may come from the bed of desiccant is removed by the After filter. APPLICATION: Trident Locomotive dryers are designed exclusively for the railroad industry for the following applications : â'¢ Electric Locomotives â'¢ Diesel Locomotives â'¢ Commuter Locomotives â'¢ Shunting Locomotives â'¢ Mining applications. This varies the amount of Purge Air during regeneration in proportion to the flow of compressed air through the dryer. Water and oil coalesce here. â'¢ Automatic Purge control valve: Adjusts purge air depending on the compressed air flow and pressure. â'¢ Slide-In mount: The dryer can be slid in and out for service and installation in minutes when installing in the mounting bracket (e. â'¢ Fixed Volume Automatic Drain valve drains condensate without wasting much of compressed air. The air then passes through the Inlet Shuttle valve and the Drying tower. In the regeneration phase dry purge air is passed through the tower under regeneration and released into the atmosphere. Trident MB1). Under given operating conditions (service pressure of 10. In the drying tower, Activated Alumina adsorbs the water vapour present in the air and sends out Dry air of required Dew point. This increases the life of the dryer. This also reduces compressor usage. It has a fail-safe design. â'¢ Small size â'¢ Dewpoint depression of 30oC at design airflow and 15oC at the worst case of airflow and ambient temperature. This ensures guaranteed dew point at optimized purge loss. FEATURES: â'¢ Designed for locomotive use: Meets all Environmental and functional specifications for the Railroad industry. It is also a function of the inlet pressure and hence only uses purge air in proportion to the moisture load. The Purge Control Valve Diaphragm senses the outlet flow and accordingly the Purge Airport size area is varied. â'¢ Pre-filter health indicator. The purge is 10% for units with Auto-Adjust purge control valve and fixed 15%without Auto Adjust purge control valve. A fixed quantity of air is purged during very low flows. â'¢ Non volatile memory Plastic UPVC SINGLE UNION BALL VALVE Manufacturers system - The dryer is completely switched off when the compressor is off and restarts where the cycle was stopped. The condensate with water and oil is drained by the Drain valve.5 Kg/cm2 (g)) 10% of the airflow is used for regeneration. The two towers operate alternately in the drying and regeneration phases. â'¢ Optimised design to meet Input-output dewpoint depression requirement. â'¢ Operates over a wide voltage range. The specially designed drain valve discharges only a fixed volume of condensate and minimizes air loss.