Pennant Engineering Pvt. Ltd. Supplies Compressed Air Drain Trap. Pennant Engineering Pvt. Ltd. Is an ISO 9001: 2000 recognised company manufacturing a wide range of steam traps, control valves, pressure reducing valves and speciality products for various industrial applications. The Compressed Air Drain Trap of model PD11 is available with inbuilt strainer and screwed type end connections. The Compressed Air Drain Trap comes in stainless steel construction with capacity of 862 at PMO [kg/hr].