West Bengal State Seed Corporation Limited Tender

Supplying of Seed Pre Cleaner suitable for Paddy, wheat, pulses & oil seed having capacity 3 MT per hour (based on wheat at 12% moisture) and transportation up to work site. Steel body consisting with 2-3 flat oscillating screens with cleaning arrangements fitted with 3 HP, 3 phase 440 V motor for Blower & 1 HP for screen deck of 440V (approved make) with feed hopper, feed roller fan, air chamber, screen deck with screen. Feeding hopper to be provided with feed control mechanism. Sieve perforation cleaning by rubber ball/Beaters. Double air separation Aspirator fan should be dynamically balanced Total screen area shall not be less than 3 m². Oscillating speed of screen deck should be variable The unit for supply should be complete in all respect with standard features, accessories like one set additional screen & Air Trunks, Built in cyclone dust collector.

Supplying of Seed Cleaner cum Grader & suitable for Paddy, wheat, pulses & oil seeds having capacity 2 MT per hour (based on wheat at 12% moisture) and transportation up to work site. Steel body consisting with 2-3 flat oscillating screens with cleaning arrangements fitted within 7HP, 3 phase 440 V motor with feed hopper, should be provided at low level is equipped with bucket elevator with feed control gate, feed roller fan, air chamber, screen deck is made of insect and moisture resistant film faced plywood. In 3 Screen Model, no. of scalping should be 1 or 2 and grading 2or 1. Total screen area should not be less than 4 m². Double aspiration with pre & post suction. Aspirator fan should be dynamically balanced. Air control & feed control arrangement should be staples variable with the help of screw arrangement Accessories like one set additional screen & Air Trunks: 1 meter Long both ends flanged of 5 Nos., required cyclone Dust collector etc. The unit for supply should be complete in all respect with standard features.

Supplying of V.B Elevator with one way die pressed MS buckets to feed Seed Pre Cleaner of 3TPH capacities self-supporting centrifugal discharge vertical bucket elevator of suitable capacity and discharge height suitable for feeding seed Pre cleaner. Belt speed not to exceed 1 m/sec. MS/HDPE buckets fastened on rubber/nylon belt. Spacers shall be provided in between belts & buckets to prevent damage to the seeds. Speed reduction through gear motor. Elevator shall be of MS/G.I make to feed Seed pre Cleaner of 3 TPH (Based on wheat) with standard feature and complete in all respect & transportation up to work site. It should be powered with 2-3 HP geared electric motor, starter, service platform ladder etc.