Tender For corrigendum : supply of procurement of materials for air pressure testing of tanks c c - pressure gauges ss body 2inch dial with glycerine field half inch male bsp thread with ss ball valve pn10 range 0-4 kgs with calibration certificate. , pressure gauges ss body 2 inch dial with glycerine field half inch male bsp thread with ss ball valve pn10 range 0-6 kgs with calibration certificate. , pressure gauges ss body 2 inch dial with glycerine field half inch male bsp thread with ss ball valve pn10 range 0-10 kgs with calibration certificate. , pressure gauges ss body 2 inch dial with glycerine field half inch male bsp thread with ss ball valve pn 6 range 0-1 kgs with calibration certificate. , vacuum pressure gauges ss body 11 by 4 inch dial with glycerine field 3 by 8 inch male bsp thread with ss ball valve pn 6, range 0-760 mm of hg with calibration certificate , half inch ss ball valves with gi toe nipples both sides , 3 by 4 inch ss ball valves with gi toe nipples both sides , 1 inch ss ball valves with gi toe nipples both sides , half inch male bsp thread gi hexagonal barrel nipples , half inch male bsp thread gi toe nipples both sides thread, 100mm length. , 3 by 4 inch male bsp thread gi toe nipples both sides thread, 100 mm length. , 1 inch male bsp thread gi toe nipples both sides thread, 100 mm length. , half inch female bsp thread gi socket, 50mm length. , 3 by 4 inch female bsp thread gi socket, 50mm length , 1 inch female bsp thread gi socket, 50mm length , half inch female bsp gi hexagonal tail nipples for air hose connection , half inch ss jubilee clamps , 3 by 4 inch ss jubilee clamps , 1 inch ss jubilee clamps , 11 by 4 inch ss jubilee clamps , 12 mm dia transparent flexible pipe for manometer connections , 2 inch paint brushes for testing , 4 inch paint brushes for testing , nose mask for welders grey , nose mask for welders yellow , dotted cotton safety hand working glouses , soft soap for testing , m-seal 1kg packets , araldite 250 gms packets , white chalk pieces boxes each box contains 100 pcs , led hand torch lights rechargeable type , ratchet type with box bits kit size- 8mm-36mm , screw spanners range 0-20 mm , screw spanners range 0-50 mm , 10 inch 6-26mm pipe wrench , 12 inch 9-32mm pipe wrench , 14 inch 15-38mm pipe wrench , ring spanners 12- 14 mm dia , ring spanners 16-18 mm dia , ring spanners 30-32 mm dia , ring spanners 24-26 mm dia , screw drivers small make- taparia or equivalent size- 300 mm length , screw drivers big size size- 450mm length make- taparia or equivalent , 20mm hand hollow hole punch for gaskets , 16mm hand hollow hole punch for gaskets , 12mm hand hollow hole punch for gaskets , 3 mtrs measuring tapes , ms m20 x 65l bolt and nuts with flat washers , ms m16 x 65l bolt and nuts with flat washers , ms m12 x 65l bolt and nuts with flat washers , ms m20 x 65l studs , ms m16 x 65l studs , textile reinforced air hoses size - 3 by 4 inch 19 mm wp-15 kgs , 5 mm thk neoprene rubber sheets size - 1200 x 2400 mm , transparent inch u inch tube manometers with 150-0-150 mm , ss tapping set for 20mm. , ss tapping set for 16mm. , ss tapping set for 12 mm. , half inch teflon tapes , 1 inch teflon tapes , half inch pvc insulation tapes , 1 inch pvc insulation tapes , silicon spray for co2 welding cable cleaning , 90 mm copper legs for welding cables , 120 mm copper legs for welding cables , 1 inch waterproof insulation glue tape for wire and cable repairs black colour //bid details 2 / 52
Tender For supply of contamination checking kit t dashcck25 dashm dash027 , pump, handy vacuum slash f slash cc kit , bottle, plastic,250ml w slash nozzle f slash cc kit , flask, filtration, 250ml f slash cc kit , heater, electric w slash spoon, 25w f slash cc kit , tube, pvc f slash cc kit , beaker, plastic,50ml f slash cc kit
Tender For corrigendum : supply of male female joints with 3 way vacuum sto , dean stark distillation apparatus 19or22 , dean stark distillation apparatus 24or40 , still head 500 ml , still head 1000 ml , vacuum manifold 5 port , 2 neck flask 14or20 with side port 100m , 2 neck flask 19or22 with side port 100m , 2 neck flask with side port 250ml , 2 neck flask with side port 500ml , solvent transferorstorage flask , additionorstorage funnel with t bore , filter tube 2 side ports porosity 10 2 , dewar flask hemispherical low form 500 , reaction tube with hi vac valve 100 ml , reaction tube with hi vac valve 200 ml , joint clip size 14 , joint clip size 19 , joint clip size 29 , wide mouth dewar flasks 665 ml , 1 ml syringe , dga glass syringe 5 ml , dga glass syringe 10 ml , dga glass syringe 100 ml , dga glass syringe 50 ml , firestone valve , hi vac silicone grease , suba seal white 14 mm , powder dispensing funnel , cannula gauge 15 or 16 l 30 36 in. , cannula gauge 18 length 18 24 in. , cannula gauge 18 length 30 36 in. , cannula gauge 22 length 18 24 in. , cannula gauge 22 length 30 in. , suba seal white 22 mm
Tender For corrigendum : tender for supply of pp tube with nylon bolt & bush for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker, trip coil, 110 v dc suitable for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker., closing coil, 110 v dc suitable for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker., aux switch (12no+12nc) suitable for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker., limit switch suitable for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker., spring charging motor 110v dc/ac suitable for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker., jaw contacts suitable for siemens make 7.2 kv, 25 ka, 1250 a, 3af type vacuum circuit breaker.
Tender For supply of dental material d d -chlorhexidine gluconate 0 point12 percent sugar and alcohol free mouthwash in bottle 200ml , dental metal post kit for post and cure , post and core build up resin kit , medicament root canal formocresol bott , gutta percha solvent for root canal , tetracycline impregnated collagen fiber for periodontal dressing , articulating paper , interlig single patient strip , dental floss thread , orthodontic elastomeric module transparent , ipr bur set of 03 , elastic chain 1 point 5 m spool transparent , orthodontic color changing adhesive with bonding agent for bracket cementation , paper glass perforated fine 7 point 6cm wide roll of 25 meter for metal , wheel cloth buff large for polishing dentures , wheel lathe white acrylic round edge coarse 76 point 2 x 6 point 3 mm , dental stone pkt of 01 kg , plaster of paris special dental , wire ss round hard 0 point 7mm or 21g coil of 500 gm , base acrylic resin liquid bottle of 227 point 3ml , base acrylic resin pink veined pdr 450gm and liquid 227point 3ml , sheet for vacuum pressure moulding system set of 10 sheets , self cure acrylic pink pdr 110gm and liquid 100ml , self cure acrylic clear pdr 110gm and liquid 100ml , self cure tooth color resin shade a1 a2 b1 and b2 bottl of 55 gm , mandrel and polishing tip holders set of 3 , composition impression thermoplastic pkt of 05 cakes , crucible casting machine for np alloy , burs sintered diamond for grinding metal for shp assorted set , tapered pointed sintered diamond for for metal for shp , crown and bridge investment graphite free for np alloy pdr 160 gm pkt , die spacer , die lubricant , shade paste tube shade a1 a2 a3 b1 b2 b3 c1 and d1 , dentine powder shade a1 a2 a3 b1 b2 b3 c1 and d1 , ceramic separating disc box of 10 , base paste tube for ceramic crown , ceramic buildup liquid bottle , disc aluminum oxide for cutting nickel chromium alloy size 25 x 1 point 8mm ) /bid number : gem/2025/b/6634101 * /dated: 08-09-2025 & & / bid document 1 / 31
Tender For purchase of physics lab equipments as per boq - physics lab equipments, melde s string experiment setup to find the frequency of an electrically vibrating metal tip. melde s apparatus electrical vibrator of frequency 50 hz with ac power supply, 3 meter length of strong white cord, bench clamp and pulley for attachment to the edge of a bench,plastic scale pan with hook to carry weights for tensioning the cord., photo-electric effect, - complete setup to determine the planck s constant planck constant by photoelectric effect : photosensitive device : cs vacuum photo tube , light source : halogen tungsten lamp12v/35w , color filters : 635nm(red), 570nm(orange), 540nm(yellow), 500nm (green), 460nm (blue), accelerating voltage : -15v to ov & o to 15v, 2% , output : 15v continuously variable through multi-turn pot , display : 3 digit 7-segment led , accuracy : 0.2% , current detecting unit : digital nano ammeter , range : 10001.1a, 1001.1a, 10[ta a 1 a , resolution : 1na , display : 3 digit 7-segment led , accuracy : 0.2% , power requirement : 220v 10%, 50hz , current multiplier : 1, 0.1, 0.01 & 0.001, scale : length 400 mm , dark- current : 0.003 a , measuring error : 15% compared with the recognized value (h=6.62619 10-34j.s) . .
Tender For supply, installation and trials of laboratory instruments equipment apparatus with training for quality control ii division at siliguri, p.w.(roads) directorate - nomenclature of machine/instrument and work required: supply, of only vacuum pump cum controller required for existing digital 4 station vacuum indicator for absolute viscosity test. the same will have to he installed on the existing machine and after installation, necessary trials are to be carried out. relevant is code: is: 1206: 2022 (part ii). specification: the pump connected with the vacuum system should be capable of maintaining a vacuum within 2 0.05 cm of the desired level up to and including 30 cm of mercury, and should have the capability of holding the desired pressure throughout the period of a particular test. the pump should have both analogue (with divisions of 0.05 cm of hg) and digital pressure gauge (capability of displaying minimum of 0.05 cm of hg). the vacuum pump controller should be supplied with a 4-position manifold to apply vacuum simultaneously up to four positions and perform viscosity determinations. equipped with dedicated on/off switches for each position and supplied with blue silicon tubing. the pump should have the capability of withholding the pressure set for tests and also maintain it throughout the test. vacuum pump should be the part of vacuum system [pump should be inbuilt with in the vacuum system along with analogue and digital display of vacuum). note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply 2. necessary tests and trials will have to be carried out to the satisfaction of engineers of q.c.-ii division at siliguri. 3. two year comprehensive warranty of total system from the date of satisfactory completion of onsite installation, commissioning and training of the instrument., nomenclature of machine/instrument and work required: supply, installation of u-tube, modified reverse flow viscometer for opaque liquid required for kinematic test of bitumen. details: tube no. 6 & 7 with 01 no. stand each. relevant is code: is 1206 (part 3): 2021 specification: note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply. 2. necessary tests and trials will have to be carried out to the satisfaction of engineers of qc-ii division at siliguri. 3. two year comprehensive warranty of total system from the date of satisfactory completion of onsite installation, commissioning and training of the instrument., nomenclature of machine/instrument and work required: supply & installation of serological water bath. specification: the bath should have double walled structure, having facility of digital controller cum indicator. the bath should have stirring arrangement. inside wall should be of stainless-steel seamless ss 304 seamless, min. thickness 1.0 mm, with rounded corners for easy cleaning with proper drainage system having ptfe valve and hose pipe (15mm inner dia. min). outer wall to be of ms and properly insulated with cfc-free high-density insulation. minimum temp. range is 5°c to 95°c, 20.2°c. size should be minimum 28 l: -600 w 400d 350 h mm; for 8 standard racks, with adjustable height, compatible with common test tubes (10-50 mm dia.) and other bottles/beakers. note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply. 2. necessary tests and trials will have to be carried out to the satisfaction, nomenclature of machine/instrument and work required: supply & installation of burette stand with clamp specification: boss head & rod (with stainless steel corrosion resistant rod (length 18") the rod diameter is 1 cm and solid black coated support stand base (6"x4"). should be made of high-quality anti-corrosion & rust-proof stainless steel. the base should be padded to prevent scratches on the surface and better gri