Nirmalagiri College Tender

Required Specification for Rotary Evaporator: Operating Voltage / Frequency: 220-240 V, 50 Hz, Heating Power Consumption: 1300 W Hand Lift , Digital LCD display of rotation speed and bath temperature set and actual, The system should accommodate 50 ml to 5000 ml with single joint size., Rotation Speed 10-280rpm, Separate knobs for heating bath and rotation, Locking facility for set temperature and rotation speed to prevent accidental change in set conditions during process, Vacuum Seal should be highly resistant material and durable PTFE Vacuum seals, Detachable panel to safeguard all electronic components and control all the parameters, Universal heating bath for oil and water from ambient to 210°C with accuracy of ± 1°C, Bath volume should be more than 4Litres. Protection Class IP 67 power cable, Heating bath metal base support to avoid instability. Clamping sleeve to allow easy removal of vapor tube to avoid breakage, Vertical condenser with 1400 cm2 surface area with marking for maximum condensation level, Grease free ventilation cap for maximum tightness and avoid stuck glass joints, The system should have meet the Protection class standard IP 20, System should be supplied with 1000ml evaporation and 1000ml receiving flask -1 each CE Certified. Vacuum Pump: Two stage chemical resistance diaphragm pump, Ultimate vacuum 10+/-2mbar and Suction Capacity 0.75 m³ /hr, High quality silicone tubing to be supplied for Vacuum and water circulation, Manual Vacuum Controller, Power Input: 80W, CE certification Recirculation Chiller: Recirculating chiller with capacity minimum 5 Litre, The temperature range should be -20ºC ~ 20ºC, Temperature accuracy should be ±0.5ºC or better, Circulation pump flow rate(flux) 6L/Min or better, Cooling capacity at -20°C should be 900w or better, Should be PID temperature controller for accurate and reliable temperature control, Large LCD backlit screen to display set and actual temperature, compressor working, timer, alarms &warnings at the same time for user-friendly operation, Easy to set Adjustable Timer; (1 minute to 5,999 minutes), Both heater and bath chamber should be made of corrosion-resistant stainless steel, Liquid level display window, through which can be intuitively observe the liquid level in the tank, Should have automatic restart function when power failure/return, Should have audible& visible alarms for temperature deviation, over current, water level and over current protection, Should be CFC free R404 refrigerant, Power consumption less than/equal 550W, Independent temperature protection, safety meets DIN 12880 International standard, The equipment should be CE certified. Warranty minimum three years for Rotary Evaporator and Pump One year for chiller.

Supply of Rotary Evaporator with vacuum pump and circulating chiller