Tender For purchase of equipments - purchase of equipment, bench top glass insitu airlift photo bioreactor1. vessel capacity: 3 liter borosilicate glass (working volume: two to three liters maximum), vessel hxd ratio 4:1 (400x100mm)2. head plate & bottom plate moc: ss 316l3. ports in top plate: ph sensor; dissolved oxygen (do) sensor; pressure sensor; air in and draft tube; air out; acid/base; sampling; and addition port.4. mixing method: ring sparger to create airlift circulation inside the reactor for uniform mixing and better aeration.5. holders for sensor /adapter / blind stoppers in head plate: ph sensor holder; media double inlet for acid/base dosing; air sparger - ring type for airlift application without stirring, air out with exhaust filter and open/close valve; pressure sensor holder; sampling pipe; blind stopper for un used port; unique suitable ss puncturing needles for sampling, air in, air out, inoculum, feed addition.6. ports in bottom plate with stand: port for temperature sensor; heating finger u-tube heat exchanger; drain.7. holders for sensor / adapter / blind stoppers in bottom plate: holder for temperature sensor, heating finger, u-tube heat exchanger.8. sensors: temperature, gel filled sterilizable ph sensor, & pressure sensor.9. controls and display: modular independent system of ph, temperature, pressure with touch screen graphical display & control; two set point control of ph with three-point buffer auto calibration; aeration by flow meter 0-5lpm with air pump; sterilization controls up to 121 without steam generator along with pressure safety mechanism by independent pressure sensor and digital display & control; automatic digital pressure safety and over temperature safety cutoff and alarm; upgradable control system for future prospective as cstr reactor & dissolved oxygen (do).10. measurement and control range: ph: 2-14; process temperature: 20 to 60 ; sterilization temperature: up to 121 ; and pressure up to 15 psi.11. fixed speed peristaltic pump: for acid/base dosing with teflon non spring head. (2 nos)12. cooling system: chiller cum circulator. chiller temperature range 4 to 40 , bath capacity 5l to cool down the reactor after sterilization and to work process temperature below ambient condition.13. illumination system: two illumination assembly with variable intensity control (1000-3000 lux) around the reactor with independent control switch for photobioreactor, or other application and easy detachable if not in use. 14. essential accessories : silicon tubing for acid/base addition (10m); air in and sampling (10m); water circulation (5m); air vent filters 0.2 micron sterilizable (6nos); and silicon septum (25nos)15. starter kit: spare silicon-o-rings for head plate, bottom plate (1no each), all other ports (5nos each), alen key.16. warranty: one year17. support (must): unconditional onsite technical support shall be provided as and when needed. the supplier must provide complete installation and hands-on demonstration of the equipment at the user site upon delivery.18. the vendor should have a registered presence in india with an authorized local service provider in tamil nadu.
Tender For corrigendum : supply of doppler velocity log for shallow water rov : :--shallow water depth rated dvl as per the specification oem version, inbuilt ahrs, pressure and temperature sensor, licensed software , shallow water depth rated inline cable assembly of 2m length with suitable connectors as per the specification , shallow water depth rated bulk head connector as per the specification , shallow water depth rated pressure rated dummies at dvl end as per the specification , shallow water depth rated pressure rated dummies at 1 atm pressure case end
Tender For corrigendum : supply of restoration deicing system of spillway radial gate 1 and 2 trashrack repairing servicing at cps - wall plate heater 16 kw 415 v ac length 7600 mm , skin plate heater 16 kw 415 v ac length 6825 mm , trunion arm heater 3 kw 240 v , cover plate heater 3 kw 240 v , cover plate heater 4 kw 240 v , cover plate heater 2 kw 240 v , thyristor power controller three phase current rating 50 amp , thyristor power controller single phase current rating 50 amp , thyristor power controller single phase currnet rating 40 amp , thyristor power controller single phase current rating 20 amp , temperature controller aux supply 203 v ac input 4 to 20 ma , rtd pt 100 sensor od-6 mm x l50 mm with 1 meter cable with mating connector. , propylene glycol gel industrial grade , hardware items viz. nut bolt washer water tight joint kits for cable heater tubes joints etc , installation testing and re commissioning of deiceing system of spillway radial gates no 1 and 2 and trash rack installed at dam of chutak power station as per the scope of work , annual maintenance contract two visits per year of service engineer for 5 service days for two persons including travelling charges , transportation packing and forwarding