Government Polytechnic College

Government Polytechnic College has published Equipments For Mechanical Engineering , Supply Of Equipments For Mechanical Engineering ( For Technical Specificationsrefer Nit ) , Cooling Tower Test Rig : Exercises: Conduct A Test On The Cooling Tower And Determine Its Efficiency. Specification: 1. Material Stainless Steel -304 Grade16 Gauge. 2. Cooling Tower Packing –Cross Corrugated Pvc Fill. 3. Dimension -250X250 &Ht -1000 Mm. 4. Air Blower-1 Hp. 5. Pump -1/2 Hp. 6. Water Heater Or Geyser -3Kw. 7. Temperature Indicator-4 Digit -6 Channel- 1No. 8. Rtd 6Mm Sensor- 6 No’S. 9.Air Flow Measurement-U Tube Monometer-300 Mm-Acrylic. 10. Water Flow Measurement-Acrylic Rota Meter. 11. Supply Tank Ss-Size 300X500x300 Mm Height. 12. Control Board –16 Amps Mcb With Neon Indicator. 13. Panel Board-Ms Sheet Metal. 14. Castor Wheels Provided – 4 Inch With Brake. , Vapour Compressionrefrigeration Test Rig: Exercises: 1.To Determine The Cooling Capacity And Cop Of The Given Vapour Compression Refrigeration System. 2. Setting And Adjustment Of The Refrigeration Components. I) .H.P&L.P Cutout. Ii).Thermostatic Expansion Valve 3 Turns Adjustment Of Cooling. Iii).Automatic Expansion Valve. 3. Conduct A Performance Test On A Vapour Compression Refrigeration System Using Capillary Tube/ Automatic Expansion Valve/Thermostatic Expansion Valve And Compare The Result. Specification: 1. Hermetically Sealed Compressor: Capacity: 1/3 Hp. Air Cooled Condenser Capacity: 1/3 Hp. 2. Refrigerant (Gas)- R134. 3. Filter Drier -Dm-50. 4.Expansion Type – ? Capillary Tube. ? Thermostatic Expansion Valve. ? Automatic Expansion Valve. 5. Pressure Gauges-4 No’S. Suction - 1No, Discharge - 1 No,After Expansion - 1 No, After Evaporation -1 No. 6. Hp/Lp Cut Off Switch. 7. Evaporator Size -300X300x300 Mm. 8.Electrical -Ammeter-0-10 Amps -1No, Voltmeter-0-300-1 No, Energy Meter -Electronic Pulse Type -1 No. 9. Temperature Indicator-4 Digit -6 Channel- 1No. Rtd 6Mm Sensor- 5 No’S. 10. Control Board –16 Amps Mcb With Neon Indicator. 11. Panel Board-Ms Sheet Metal. 12. Castor Wheels Provided –2 Inch With Brake. , Open Type Air Conditioning Test Rig: Exercises: 1. Conduct A Performance Test On A Given Open Type Air-Conditioning System And Determine The Cooling Capacity And Its C.O.P.. Specification: 1. Type Open Duct Vapour Compression Refrigeration System. 2. Compressor-1 Ton Hermetically Sealed. 3. Condenser-Air-Cooled Finned Tube Condenser With Axial Fan. 4. Evaporator-Cooling Coil With Open Duct Arrangement. 5. Expansion Device-Capillary Tube. 6. Refrigerant-R 22 . 7. Air Flow Measurement-Anemometer And Sling Psychomotor. 8. Electrical Measurement-Digital Voltmeter, Digital Ammeter And Energymeter. 9. Power Supply 230 V Ac, Single Phase, 50 Hz. 10. Fresh Air Duct With Damper -300X300x750 Mm. 11. Condenser-Air-Cooled Finned Tube Condenser With Axial Fan. 12. Evaporator-Cooling Coil With Open Duct Arrangement. 13. Expansion Device-Capillary Tube. 14. Refrigerant-R 22 (Eco-Friendly, Non-Toxic). 15. Blower / Fan-Centrifugal Flow Type, Suitable For Duct Air Circulation. 16. Temperature Measurement-Digital Temperature Indicators At Multiple Points (Evaporator Inlet/Outlet, Condenser Inlet/Outlet, Ambient). 17. Pressure Measurement-Suction And Discharge Pressure Gauges. 18. Air Flow Measurement-Anemometer. 19. Filter Drier -Dm-5. 20. Pressure Gauges-2 No’S. Suction Side-350 Psi Back Connection. Discharge Side -500 Psi Back Connection. 21. Temperature Indicator- 4 Digit -6 Channel. 22. Rtd Sensors. 23. Hp/Lp Cut Off Switch. 24. Voltage Stabilizer-4 Kva. 25. Frame Construction-Ms Painted Frame With Castor Wheels. , Re-Circulating Air Conditioning Test Rig: Exercises: 1. Set The Winter Comfort Condition In The Desired Space Using Is Circulation Type Air-Conditioning System And Also Determines Its Cooling Capacity. 2. Set The Summer Comfort Condition In The Desired Space Using Are Circulation Type Air-Conditioning System And Also Determine Its Cooling Capacity. Specification: 1. Type Re-Circulating Duct Vapour Compression Refrigeration System. 2. Compressor-1 Ton Hermetically Sealed. 3. Condenser-Air-Cooled Finned Tube Condenser With Axial Fan. 4. Evaporator-Cooling Coil With Re-Circulating Duct Arrangement. 5. Expansion Device-Capillary Tube. 6. Refrigerant-R 22 . 7. Air Flow Measurement-Anemometer And Sling Psychomotor. 8. Electrical Measurement-Digital Voltmeter, Digital Ammeter And Energy Meter. 9. Power Supply 230 V Ac, Single Phase, 50 Hz. 10. Fresh Air Duct With Damper -300X300x750 Mm. Return Air Duct With Valve -300X300x750 Mm. Re-Circulating Duct-300X300x600 M. Air Conditioned Space-900X450x1200 Mm. 11. Reversing Valve For Summer Air Conditioning With A Solenoid Switch. 12. Filter Drier -Dm-5. 13. Pressure Gauges-2 No’S. Suction Side-350 Psi Back Connection. Discharge Side -500 Psi Back Connection. 14. Temperature Indicator- 4 Digit -6 Channel. 15. Rtd Sensors. 16. Hp/Lp Cut Off Switch. 17. Voltage Stabilizer-4 Kva. 18. Frame Construction-Ms Painted Frame With Castor Wheels. 19. Detailed Manual With Sample Readings & Calculation. , Thermometer 0-50°C. , Thermometer 0-100°C. , High Pressure & Low Pressure Cut Out Switch. , Thermostatic Expansion Valve. , Automatic Expansion Valve. , Anemometer , Sling Pyranometer , Pinching Tool , Swaging Tool , Flaringtool , Capillary Tube , Tube Bending , Tube Cutter => Limited. Last date of submission for this tender is 2025-09-25. This is a Cooling Tower tender in Puthur, Tamil Nadu