Latest vacuum pen Tenders | Government vacuum pen Tenders

State Government

CTN :39565718

10 Mar, 2025 1.51 Lacs

Udhampur - Jammu And Kashmir

Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v

Central Government / Public Sector

CTN :39619606

28 Mar, 2025 NA

Vijayawada - Andhra Pradesh

Tender For supply of set of spares for welding machine : (1)mcb; description:32a 3pole c-curve, 415v, with breaking capacity 6 ka similar to make chint nb1-3-32c ; quantity: 150 no's; (2), secondary diodes ; description:forward current (per leg if=150a, per device if=300a), with vr-200v similar to make sir ectifier srud30040ctd3 ; quantity:50 no's; (3),fuse(5a) ; description:glass fuse 5a/30mm ; quantit y:40no's; (4),bridge rectifier; description:100a,1600v three phase bridge rectifier similar to make m ds 100-16 ; quantity:20no's; (5),3 pin socket machine ; description:female socket with square type mounting base of dimension (25.23mmx25.23mm) and outercircular dia for connecting 15.07mm on the base with threading similar present in mogoro make; quantity:10 no's ; (6),3 pin socket torch; d escription:male socket of round type outer circular dia 19.75mm with threading type to fix to female socket similar present in mogoro make ;quantity: 10no's; (7)10 pin socket ; description:male socket of round type outer circular dia 23.04mm with threading type to fix to female socket similar present i n mogoro make; quantity:10 no's (8),igbt ; description:ic(nom)=100a,ic=160a(25 degree centi), v ces=1200v, similar to make semikron skm100gb12t4; quantity:50 no's; (9)output connector; desc ription :connector lug type flat output connector suitable for 400a welding plant with round insulatio n suitable for ador-fontech,mogoro and aimweld machines; quantity:250 no's ; (10), output connecto rs ; description: welding cable plug connectors. male connectors with current 200a-400a applicable cable standard section 70-95mm square suitable for diffusion and kemppi; quantity:50no's (11), out put connectors ; description: welding cable plug connectors. female connectors with current 200a- 400a applicable cable standard section 70-95mm square suitable for diffusion and kemppi ; quantit y:50no's [ warranty period: 30 months after the date of delivery ]

CTN :39298230

26 Mar, 2025 NA

Mumbai - Maharashtra

Tender For corrigendum : tender for supply of helo traversing system hangar door steering gear system and stabiliser system 22blnc002 - o ring , o ring , fluahing filter element , seal kit of primary cylinder , seal kit of secondary cylinder , mcb , 8 channel relay card , quick release coupling , slydring (internal) , o-rings & seals , lever operated d.c. valve , dc-dc convertor module 24vin 24vout 400w , wiper , slydring (external) , axial piston pump seal kit , pressure switch , glass fuse 10a , 13 bit absolute encoder , suction filter element , pressure hose 1 bore 1 bsp female swivel nut lg1250mm , boost pressure switch , power supply card for servo amplifier unit , vme discrete input card v2 , ball valve - 3 way , mcb , solenoid operated d.c. valve , cpu card , pressure switch , smart lcd , air circuit breaker 2500a sr18g with eom-240v ac , o ring , electric motor bearing , super charge filter 10 micron , o rings and seal kit , axial piston pump , return line filter element 10p , discrete output card , diodes , 100vdc 5ampere pl filter , mcb , pressure hose 3/8 bsp swivel nut lg 5000mm , servo pilot filter elemet 3p , o ring , indication lamp yellow , chevron packing set , return line filter 10 micron , level switch (2 level) (side mounted bent tube type) , boost pump filter element 10p , limit switch(sl1 bk) , dc to dc converter , inner seal , solenoid valve-pneumatic station , indication lamp green , o ring , indication lamp blue , pushbutton - black flush n/o

Central Government/Public Sector

CTN :39587951

03 Apr, 2025 NA

Pune - Maharashtra

Tender For supply of diodes

CTN :39541992

24 Mar, 2025 NA

Dehgam - Gujarat

Tender For supply of digital storage oscilloscopes , probes for dso , function- pulse signal generators , dual power supply , breadboard lab bench , 4 digit digital multimeter , analog multimeter , clamp mete , analog voltmeter , analog ammeter , component organizer , wire stripper , soldering iron , desoldering pump , soldering iron stand , breadboard wires jumper cable , transformer for lab , transformer , metal film resistors , potentiometer kit , diodes , zener diode assorted kit , lights emitting diodes led assortment set , electrolytic capacitor kits , ceramic capacitor , transistor assortment kit transistors pack , battery for multimeter , pcb for common use lined

Central Government/Public Sector

CTN :39550411

08 Apr, 2025 NA

Kalyan - Maharashtra

Tender For supply of silicon diode rating piv 1800 volts current 25 amps with flexible copper shun t threaded base stud similar to hirect design guide dec. '98 type s 18 bn 26 from rdso / cl w approved sources of blocking diodes only. [ warranty period: 30 months after the date of d elivery ]

Central Government/Public Sector

CTN :39513438

21 Mar, 2025 NA

Nashik - Maharashtra

Tender For supply of relay lamp fitting connector led indicator jack diodes switch - relay , lamp fitting , connector , connector , change- over switch , zener diodes , connector , led indicator , banana jack , banana jack

CTN :39430597

14 Mar, 2025 10.09 Lacs

Uttara Kannada - Karnataka

Tender For procurement of diesel alternator 150 kw spares - tender for supply of oil seal drive side , automatic voltage regulator , bearing drive side , lock bolt , earthing bolt , bearing rear side , lock bolt gen. stator core , lock bolt ex.stator core , diodes d1 , d2 , relay , indicating lamps l1-green , l2-red , push button , transient voltage suppressor tvs1 , 2 , transient voltage suppressor tvs3 , ball bearing

CTN :39430651

14 Mar, 2025 1.16 Crore

Uttara Kannada - Karnataka

Tender For procurement of hpac spares - tender for supply of piston-diaphragm valve nw4 , threaded nozzle dia. 2.0 , threaded nozzle dia. 2.5 , threaded nozzle dia. 1.0 , packing dia 8 x 4.5 for nw4 only , gasket caf dia. 72/50x3thk , piston pin dia 35 x 90l , gasket caf , dia 51 33.3 x 1.5thk , main bearing pair upper lower , set of gaskets , con.valve assly for cyl d42 , set of gaskets , conc valve d140 125 air n2 argon , con.valve assly for cyl d70 , con.valve assly for cyl. d25 , gasket caf , dia 84x52.5x1thk , main cylinder dia 25 m/c , gasket caf , 88x88x1thk , air filter dry , marine applin. , rectifier diodes 12 fmr 80 with heat sinks , subassly piston d25 w/oil hole , piston assly dia 42 , under over voltage protection relay , nord lock washer m16 pair , motor protection realy 3dm2-wrduwz , schneider , stud , adjusting , element , thin , filtering , allen bolt m6 x 12 gr12.9 , csk screw m6 x 20 gr8.8 , c.r bearing pair/large end brg , connecting rod m c , 0 ring koel no.0301011000 , gasket caf for w/pump involute , cap nut m16 gr.8.0 is 2687 , nozzle , threaded d1 , 0 , relay , pressure , central ring dia 36 33 7.5thk

CTN :39430145

03 Mar, 2025 NA

Tiruvallur - Tamil Nadu

Tender For supply of mass tech make battery charger spares - tender for supply of i p surge protectin network mt 130 , condensor fuse 63a , ffd card for battery charger mt 111 , led module indicating lamps 25o v acred , led module indicating lamps250 vyellow , led indicating lamp 230v ac blue , 0-500 volt meter , ac contactor 4a 415 ac 3th3022e , hrc fuse link 2a p/n 2a mass-tech , ammeter 0-60a 96x96mm ae , contactors mnx70 , relay 36-60 mn 5 l&t , thyristor p/n t125d160 mastec , diode 150a 1600piv 150nd160 , fuse 125a let 150v dc 280v ac , bleeder resistor 300 ohms 300w , filter condensor masstech battery charge , hrc fuse 32 a , potentiometer 10k 3w , 3 phase scr controller mt 103 , high voltage phase fail circuit , wide band led indicating lamp color red , silicon blocking diode p n 250a 1600 piv , monitoring controllingunit 80 300v dc , can rs485 converter usv 1 , buzzer card p n mt 122 , battery current limiting circuit mt-110 , dc earth fault circuit mt 107 , 12v power supply card p n lrs 35 12 , load voltage dropping diodes 162a

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