Pennant Engineering Pvt. Ltd. Offers Inverted Bucket Steam Trap. Pennant Engineering Pvt. Ltd. Is an ISO 9001: 2000 accredited company supplying a wide range of steam traps, control valves, pressure reducing valves and speciality products for various industrial applications. The Inverted Bucket Steam Trap of model number PT21 is available in cast iron construction with stainless steel internals and screwed end connections. The Inverted Bucket Steam Trap comes in vertical configuration and is suitable for draining equipment with medium to heavy condensate loads.