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                            "value": "UKNNL is looking to purchase four pieces of equipment to support research and development activities relating to nuclear powder technology. The four pieces of equipment are Hoppers, Screwfeeders, Vibratory Feeders and Rotary Barrels.\nThe equipment is required to be used within a laboratory fumehood. The fumehood has a 600 mm by 1200 mm (Depth x Width) footprint. Ideally, these technologies can be handled easily, making quick and easy switching of equipment into and out of the fumehood. It is expected that these technologies can handle/hold up to 1 litre of powder and performance over a short fixed duration (e.g. 1 l h-1 max flow rate).\nUKNNL would like to hear from suppliers who are able to design and machine these items to the suitable scale, or suppliers who have off the shelf solutions, meeting the sizing requirements stipulated.\nUKNNL are exploring the option of purchasing all four items from a singular supplier or from a multiple suppliers.\nFlexibility of equipment must be considered where possible, whether this is screw size in a feeder, or interchangeable hopper outlets. The key here is to allow UKNNL's powder capability to test as many scenarios as possible against different powders. Table 1 below captures where flexibility is of interest for different technologies.\nHoppers\t\n•\tInterchangeable Hopper outlets, specifically different outlet diameters\n•\t12.5 cm and 10 cm Hopper diameters\n•\tCoupling for outlet valve attachments\nScrewfeeders\t\n•\tInterchangeable screws with:\no\tDifferent configurations\no\tVarying pitches\n•\tVariable rotation speeds\nVibratory feeders\t\n•\tVariable vibration frequency\n•\tVariable angles of chute\n•\tVariable chute geometries (e.g. cylindrical, rectangular)\nRotary Barrels\t\n•\tVariable rotational speeds\n•\tVariable angles of incline\n•\t12.5 cm and 10 cm diameters\n•\tInterchangeable 'inserts' (e.g. lifters, baffles)\nAll\t\n•\tWhere possible (and compatible), transparent materials to provide visual feedback"
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