Latest anaerobic workstation Tenders | Government anaerobic workstation Tenders

CTN :39498454

15 Apr, 2025 NA

Delhi - Delhi

Tender For corrigendum : procurement of 116 lines of dg set spares - cylender liner with joint ring , washer , valve tappet , push rod , bush for injector , bolt for mb cap hex head m14x2x128 , oil seal 115x140x16 , oil seal , bolt , banjo bolt , starter ring ha , pin , ammeter 50 0 50 amp , special banjo bolt lo supply to pump , bolt for flywheel , washer for sump screw , hose clamp ss tbots and n4nut 155mm , lo filter element , copper washer inj , compression ring for gas outlet manifold , injector yoke , drain plug with magnet and o ring , thrust washer , lub oil pressure sendor and gauge assy pricol 12v 0 10 bar , worm drive clamp 29 45 mm dia , screw with stainer , washer fip gear , rubber bush for oil filling cap , thermost at element , o ring for injector , primery element , secondary element , fuel pipe return m12x105 male plug , fuel pipe inlet m16x1 point 5 , sealing ring fuel filter , electrical lub oil pressure gause , water temp switch , v belt gogged bx 48 , joint for turbo , thrust washer cam shaft , lo supply hose fip , cyl head bolt , hose by pass , v belt xpa 1250 cogged , hose thermostat , spacer ex manifold , joint for adopter ring crankcase side , banjo bolt for piston cooling cooling nozzle , rubber hose turbocharger , fuel feeling hose for 36 to 125 kva for skid mount , rubber hose , banjo bolt m14x1 point 5 thread , coolent temp switch , set bolt m8x1 point 25x30 8 point 8 , set bolt , set bolt for front cover , set bolt engine mounting , set screw , set screw expansion bellow , nut 8m , stud , sump screw , bolt for ex manifold , dowel , banjo bolt for noz hol , spring washer m12 , planner washer , plain washer , washerplain , copper washer 10 14 , copper washer , worm drive hose clip 12mm , radiator hose clip 22mm , worm drive hose clip 29mm , spring dowell pin cylinder , set bolt m8x1 point 25x100 8 point 8 front cover , nut for asjusting screw , piston cooling nozzle assy , gasket cyl head 6r1080 ta , high pressure pipeline complete set , pipe rkr arm , lub oil cooler assy , hose for water pipe , fuel pipe feed pump to filter , lub oil drain pipe , vent pipe for radiator , set of joints , set of o ring , fuel pipe fuel filter to fuel pump , leak off pipe , breather hose for 125 kva silent set , hose for air cleaner , le bearing , set of washer , centrfugal filter , compression ring , indicator air cleaner , air cleaner element koel 6r 1080ta 100 kva , t bolt clamp for tc 100 108 mm dia , hose bolt clamp , bearing main kir 6r1080 std , thrust washer set of inner and outer pairs , hose , plain machined washer m6 , cambush

CTN :39605690

15 Apr, 2025 NA

Delhi - Delhi

Tender For corrigendum : supply of cylinder line with joint ring , washer , valve tappet , screw adjt rkr , push rod , bush for injector , valve colar , bolt for mb camp hex head , oil seal , bolt , banjo bolt , starter ring ha , pin , ammeter , special banjo bolt , bolt for fly wheel , washer for sump screw , hose clamp ss tbots and n4 nut 115mm , lo filter element , valve sealed , element outer air cleaner , element inner air cleaner , connecting rod bolt , copper washer inj , compression ring for gas outlet manifold , piston ring set , injector yoke , drain plug with magnet and o ring , plug with magnet and o ring koel dv61ta 250kva , thrust washer , lub oil pressure sendor and gauge assy , worm drive clamp , screw with stainer , washer fire gear , rubber bush for oil filling cap , thermostat element , o ring for injector , copper washer , primary element , secondary element , fuel pipe return male plug , fuel pipe inlet , sealing ring fuel filter , electrical lub oil pressure , water temp switch deg yankee , v belt cogged , joint for turbo , thrust washer cam shaft , lo supply hose fip , cyl head bolt , button for injector yoke , cylender head gasket 1.25mm thickness , valve exhaust , joint for rocker cover , hose by pass , gasket ex manifold , v belt xpa 1250 cogged , hose thermostat , spacer ex manifold , joint for adaptor ring , banjo bolt for piston cooling nozzle , rubber hose turbocharger , piston assy , joint air pipe , hose air cleaner , fuel filling hose for 36 to 125 kva for skid mount , inlet valve 4r1040 , joint air inlet manifold , rubber hose , banjo bolt thread , set of hoses , joint for inlet pipe , coolent temp switch , set bolt , set bolt for front cover , set bolt engine mounting , set screw , set screw expansion bellow , nut 8m , stud , sump screw , bolt for ex manifold , dowel , banjo bolt noz hol , spring washer m12 , planner washer , plain washer , washerplain , worm drive hose clip , radiator hose clip 22mm , worm drive hose clip 29mm , spring dowell pin cylinder block , radiator hose clip 35mm , set bolt front cover , internal rubber stealing , nut for adjusting screw , piston cooling nozzle assy , gasket cyl head 6r1080ta , high pressure pipe line complete set , pipe rkr arm , lub oil cooler assy , hose for water pipe , fuel pipe feed pump to filter , lub oil drain pipe , lp pump assy , vent pipe for radiator , set of joints , set of o ring , fuel pipe fuel filter to fuel pump , leak off pipe , breather hose for 125kva silent set , hose for air cleaner , le bearing , set of washer , gasket for sump , centrfugal filter , o ring sump drain , compressiom ring , indicater cleaner , air cleaner element koel 6r1080 ta 100kva , t bolt clamp for tc 100 108 mm dia , hose bolt clamp , bearing main kir 6r1080 std , con rod brg std , thrust washer set of inner and outer pairs , hose , set bolt m8x1.25x35 8.8 , plain machined washer m6 , pre fuel filter 50kw , cambush rkr arm adj screw, ammeter (50-0-50 amps), set bolt- m8x1.25x30-8.8 (front cover)`, set bolt-m8x1.25x110- 8.8 (gear casing), set csrew-m6x1x12-8.8 (front bid details/ 2 / 97

CTN :39730938

15 Apr, 2025 NA

Delhi - Delhi

Tender For corrigendum : supply of cylinder liner with joint ring , washer , valve tappet , push rod , bush for injector , bolt for mb cap hex head m14x2x128 , oil seal 115x140x16 , oil seal , bolt , banjo bolt , starter ring ha , pin , ammeter 50-0-50amp , special banjo bolt lo supply to pump , bolt for flywheel , washer for sump screw , hose clamp ss tbots and n4 nut 115mm , lo filter element , copper washer inj , compression ring for gas outlet manifold , injector yoke , drain plug with magnet and o ring , thrust washer , lub oil pressure sendor and gauge assy pricol 12v 0 10 bar , worm drive clamp 29 45 mm dia , screw with stainer , washer fip gear , rubber bush for oil filling cap , thermostat element , o ring for injector , primary element , secondary element , fuel pipe return m12x105 male plug , fuel pipe inlet m16x1.5 , sealing ring fuel filter , electrical lub oil pressure guage , water temp switch 95 1 3 deg yankee , v belt cogged bx 48 , joint for turbo , thrust washer cam shaft , lo supply hose fip , cyl head bolt , hose by pass , v belt xpa 1250 cogged , hose thermostat , spacer ex manifold , joint for adopter ring crankcase side , banjo bolt for piston cooling nozzle , rubber hose turbocharger , piston assy , fuel filling hose for 36 to 125kva for skid mount , rubber hose , banjo bolt m14x1.5 thread , coolent temp switch 95 1 degree rico ridhi sidhi , set bolt m8x1.25x30 8.8 , set bolt , set bolt for front cover , set bolt engine mounting , set screw , set screw expansion bellow , nut 8m , stud , sump screw , bolt for ex manifold , dowel , banjo bolt for noz hol , spring washer m12 , planner washer , plain washer , washerplain , copper washer 10 14 , copper washer , worm drive hose clip 12mm , radiator hose clip 22mm , worm drive hose clip 29mm , spring dowell pin cylinder block , radiator hose clip 35mm , set bolt m8x1.25x100 8.8 front cover , nut for asjusting screw , piston cooling nozzle assy , gasket cyl head 6r1080 ta , high pressure pipeline complete set , pipe rkr arm , lub oil cooler assy , hose for water pipe , fuel pipe feed pump to filter , lub oil drain pipe , lp pump assy , vent pipe for radiator , set of joints , set of o ring , fuel pipe fuel filter to fuel pump , leak off pipe , breather hose for 125kva silent set , hose for air cleaner , le bearing , set of washer , centrfugal filter , compression ring , indicator air cleaner , air cleaner element koel 6r 1080 ta 100 kva , t bolt clamp for tc 100 108 mm dia , hose bolt t clamp , bearing main kir 6r1080 std , thrust washer set of inner and outer pairs , hose , set bolt m8x1.25x35 8.8 , plain machined washer m6 , cambush set of washer, set of joints, thrust washer for cam shaft, centrifugal filter, copper washer benjo bolt 10*14, lub oil pump assy , spin filter for lub oil, lub oil drain pipe , starter ring, t bolt clamp for air cleaner, indicator air cleaner (air restriction), ammeter (50-0-50 amps), hose clip for radiator hose(22mm), hose clip for radiator hose(35mm), t bolt clamp for tc (100-108 mm dia), crankshaft pulley bolt, washer crankshaft pulley bolt, bid details/ 2 / 81

CTN :39937329

22 Apr, 2025 8.15 Crore

Karwar - Karnataka

Tender For procurement of diesel alternator spares and main engine spares - pickup, magnetic, hose,flexible, shield suht off valve, bolt connecting rod, spring compression, elbow,male adapter, draincock, elbow male adaptor, bushing, bushing, bushing, clamp bolt, screw cross head adjusting, support camshaft thrust, impeller,water pump, screw hexagon head cap, washer,plain, connector,male, gasket, filter/strainer luboil ring, sleeve air intake, band pipe, pipe water return, cover,aftercooler, regulator pressure, plate lock (washer), cap screw, screw socket head cap, dowel, pin, gasket governor housing, ferrule fuel manifold tube, seal,o ring, sleeve, lock plate, nut,fuel pump adjusting, spring compression, coil, hose flexible, adapter,barring, clip, nut accessary, o ring injector body, control safety(l.l.o.p), o ring, nut crosshead, pin, roll, seal injector, manifold, exhaust, manifold, exhaust, screw,socket head cap, valve springs, plug, expansion, sleeve, wear, screw, captive washer cap, overspeed module, cover gear, pulley accessory drive, seal oil, hose plain, hose plain, bearing,thrust, hose plain, screw twelve point cap, vlave check, gasket (mpr out let conn), seal grommet, spring, compression, gasket cam fol housing, spider,jaw coupling, injector, screen filter, sleeve,injector, hose plain, puller fuel pump gear, compressor, piston ring, valve,air relay, gasket,flange, washer, nozzle piston cooling, pump,sea water, repair kit,turbocharger, kit stc tappet repair, element,oil bypass filter, pulley idler assly.(w.p.), governor barrel & plunger, kit piston assebly & ring set, plug expansion, brace tube, plug expansion, clamp hose, clamp hose, clamp hose, aftercooler, head lub oil filter, tappet injector, tappet valve, pump,raw water, clamp hose, clamp hose, clamp hose, clip, spacer,mounting, gasket,wtr trf connection, hose plain, hose,plain, shim, shim (.002"), hose plain, dowel pin, hose, washer clamp, adaptor hose, plug zinc electrode, plate lock, plug pipe, washer plain, shim governor spring .005", bearing trust, hose flexible, hose flexible, hose flexible, hose,flexible, pump lub oil, tappet valve, element cr, element air cleaner, radiwash_5ltr, screw,hexagon head cap, ring,retaining, nut, heavy hexagon jam, belt, v, key,plain woodruff, lock washer water header cover, washer,plain, clamp, t bolt, hose,hump, seal oil, element air cleaner, element air cleaner, alternator, blow by tool - 0.221" orifice, tappet replacement kit, injector, engine barring tool, gasket filter head, gasket oil cooler core, sensor temperature, seal,rectangular strip, connector pipe, indicator restriction, vacuum indicator, water separator, washer bevel, potentiometer, harness wiring, gasket exh out connection, pulley idler, kit super by pass filter element, element oil bypass filter, clamp, t bolt, plug expansion, seal,banjo connector, brace tube, hose plain, screw, screw hex flange head cap, seal,rectangular ring, cap valve, gasket oil pan, plug expansion, hose,flexible, hose flexible, bushing, hose,flexible, pack idling spring, shaft rocker lever, gasket turbocharger, repair kit,turbocharger, kit air cleaner elements (6c 200kva), hose,flexible, thermostat, element, lub oil, clamp,wire tie, hose, clip, cap screw, gasket,intake manifold, screw, head locking, elbow, element, coupling,plain hose, gasket after housing, spring, bushing, disc, nut lock, ring,retaining, fuel filter, gasket breather, breather, hose,flexible, hose,flexible, cap ,tappet top stop, screw, hexagon head cap, tube turbocharger oil drain, gasket connection, connector,male, drive accessory, screw,hex flange head cap, guide, valve steam, clamp, connector,male, screw captive washer cap, screw,captive washer cap, pulley,water pump, shaft tachometer drive, spacer, mounting, lever rocker, injector, seal, washer locking, plug pipe, gasket, washer thrust, clamp hose, hose flexible, crosshead,valve, fuel pump front cover, hose hump, hose,hump, screw, captive washer cap, seal o ring, tee male

CTN :39752659

14 Apr, 2025 NA

Gandhinagar - Gujarat

Tender For bid to ras procurement of koel dg set spares - copper washer , core plug , temperature sensor , guide valve spring , setting bush , washer , spilt bush , oil spray nzzle , joint , small end bush( koel 4r1040ta) , con rod bolt , cyl head bolt , washer , button for injector yoke , valvespring , spring cup , brass nut , copper washer , valve tappet , washer , screw adjt (rkr) , nut for adjt screw , push rod , bush for injector , dual banjo bolt m8 , cylinder head , pistonassy , cylinder liner , in andex valve pair , bolt for bearing cap , washer , thrust ring dowel pin , oil spray nozzle , piston ring , cylinder head bolt , washer for bolt , valveguide , wire snap ring , push rod , vr toe , valve rocker assy , gasket , rocker cover , rocker pedastal assy , techo hour meter , bolt for mb cap (hex head) m14x2x128 , thrust washer , oil seal (115x140x16) , oil seal , bolt , washer , rubber bush clip , banjo bolt , starter ring ha , special banjo bolt (lo supply to pump) , joint for oil seal , union screw , double cone ring , rubber bush , bolt for flywheel , con rod assy (w/o le brg) , set of joint set , v belt(a-48) , joint , joint , lub oil pump assy , sump gasket ha 694 , lub oil cooler , oil filter element , set of joints , set of rubber o ring , washer for sump screw , hose clamp ss tbots & n4 nut 115mm , lo filter element , set of high press pipe dha694 , camshaft and gear assembly , nozzle leak off pipe , sealing ring , hose for air clearer , crankshaft assy with crank gear (w/o bal wt) , fuel pipe , hose , injector yoke , copper washer inj , compression ring for gas outlet manifold , bush for nozzle holder , fuel pipe line , cylinder liner , injector yoke , drain plug with magnet & o ring , thrust washer , lub oil pressure sendor & gauge assy (pricol) 12v 0-10 bar , worm drive clamp (29-45 mm dia) , temp sensor & gauge assy 12v 40-130 , bolt for mb cap , banjo bolt , thrermostat 60 c , hose , hose clip , cup for valve spring , screw with stainer , washer fip gear , banjo bolt , washer for fip set screw , air vent screw , copper washer , rubber bush for oil filling cap , fuel pipe , thermostat element , primary element , secondary element , fuel pipe return m12x105 (male plug) , fuel pipe inlet m16x1.5 , joint for inlet manifold , sealing ring fuel filter , drain pipe (sump to pump) , flexible pipe , water temp switch 95+1/-3 deg (yankee) , v belt cogged (bx-48) , thrust washer cam shaft , lo supply hose fip , cyl head bolt , hose by pass , water pump assy , v belt (xpa 1250) cogged , hose thermostat , spacer ex manifold , banjo bolt for piston cooling nozzle , piston assy , valve guide , valve inlet , rubber hose , banjo bolt m14x1.5 thread , composite washer for banjo bolt , joint for adoptor , rubber hose , con rod assy , set bolt m8x1.25x30 8.8 , set bolt , set bolt m8x105x60-8.8 , set bolt for front cover , set bolt , set bolt , set bolt engine mounting , set screw , set screw , set screw , set screw expansion bellow , nut 8m , stud fuel pump , sump screw , bolt for ex manifold , set bolt , dowel , banjonboltm10x15 , banzo bolt , banjo bolt for noz hol , banjo bolt , planner washer , washerplain , copper washer (10 x16) , copper washer , radiator hose clip (22mm) , worm drive hose clip , worm drive hose clip 70 mm , warm drive hose clip , spring dowell pin cylinder block , spring dowel , radiator hose clip (35mm) , set bolt for front cover , set bolt , set bolt m8x1.25x100-8.8 (front cover) , nut , lock nut , stud for exh manifold , stud for rocker support , stud miox 1.5x25-8.8 , m-8x 1.25 brassnut , stud for front cover , dowel pin 8 45 , key , spring washer , spring washer , copperwasher , hose clip , wire circlip , internal rubber sealing m14 , vbelt for dynamo , piston cooling nozzle assy , camshaft gear assy , gasket cyl head 6r1080 ta , cyl head assy , high pressure pipeline (complete set) , pipe rkr arm , joint for rocker cover , joint rocker cover , lub oil cooler assy , hose for water pipe , turb

CTN :39946517

28 Apr, 2025 NA

Jabalpur - Madhya Pradesh

Tender For supply of ian-80a plate valve , ian 186 sa pipe exhaust single coupling , ian- 253 sa pipe trailer control valve air vessel , ian-102sa pipe regulating valve oil tank , ian-223 sa pipe pressure gauge coupling pressure front , ian 87 sa handle regulating valve , ian-215 sa pipe main pressure single coupling , ian 202 sa pipe m p r breather t-coupling rear , ian 263 sa pipe connector change over valve , ian-230 sa pipe r p elev vsg t-coupling front , ian-201 sa pipe m p r breather t-coupling front , ian 273 sa pipe rear brake cylinder rear , ian-234 sa pipe replenish pressure elev vsg upper , ian 321 sa plunger locking control arm , ian-184sa pipe exhaust r r valve t-coupling , ian-185 sa pipe exhaust relief valve t-coupling , ian 200 sa pipe main pressure r breather t-coupling , ian-262 sa pipe change over valve for instlation brake , ian-209 sa pipe m p x- coupling servo oil filter , ian 191 sa pipe exhaust 3 way valve t-coupling , ian-207sa pipe m p x-coupling relief valve , ian-195 sa pipe m p breather 3 way valve , ian-219 sa pipe main pressure t-coupling , ian 268 sa pipe main rear brake cylinder , ian-229 sa pipe r p elev vsg t-coupling upper , ian-211sa pipe main pressure x-coupling t-coupling , ian 183 sa pipe exhaust reduction relief valve , ian- 232 sa pipe replenishing pressure traversing , ian-228 sa pipe replenish pressure elev vsg lower , ian-225sa pipe pressure gauge main pressure , ian-204sa pipe main pressure cross-coupling , ian-182sa pipe exhaust reduction valve t-coupling , ian 220 sa pipe m p t- coupling single coupling , ian-222 sa pipe oil tank pump , ian 178 sa pipe exhaust cross coupling main filter , ian-216sa pipe m p servo oil filter , ian 208 sa pipe m p x-coupling safety switch , ian-187 sa pipe exhaust t-coupling cooler , ian 276 sa pipe trailer control valve vessel , ian 192 sa pipe exhaust 3 way valve and thermostat , ian-189sa pipe ehaust t- coupling thermostat , ian-233sa pipe replenish pressure trav vsg lower , ian-214 sa pipe main pressure oil pump , ian 203 sa pipe main pressure cross coupling , ian-249sa pipe change over valve , ian-213 sa pipe m p c coupling traversing clutch , ian-188 sa pipe exhaust t-coupling single coupling , ian 206 sa pipe m p x-coupling reduction valve , ian- 210 sa pipe m p x-coupling servo oil filter , ian-212sa pipe m p x-coupling 3 way valve , ian 7 ma gear steering , ian-196 sa pipe m p left t-coupling front breather , ian-244sa hose front brake cylinder , ian-125 sa hawser connecting , ian 224 sa pipe pressure gauge cooling pressure rea , ian-330sa joint universal double , ian 218 sa pipe m p t- coupling x-coupling , ian 217 sa pipe m p servo oilfilter trav pilot vale , ian-344 sa control valve bid details/ 2 / 50

CTN :39866243

19 Apr, 2025 50.00 Lacs

Jabalpur - Madhya Pradesh

Tender For supply of lab equipment - bench top single beam uv spectrophotometer withcovers 190 to 1100 nm 4 position cuvette holder automatic wavelength selection 128x64 graphical lcd printer interface usb computer interface with professional scanning software specifications wavelength range 190 1100nm spectral band width, orbital shaking incubator shaking speed range 20 to 250 rpm voltage 220 240v chamber volume 215 ltrs, manual baby mini power pack manual bio world50 v100ma, mini horizontal gel electrophoresis system microtome, alloy steel, min 1micronthickness max60 microntrimming thickness range 1010um 40um vertical stroke, advance rotary microtomy latest spencer 820 type with razer 1 microtome dimensions2 alloy steel3 min 1micron4 thickness max 60 micron5 trimming thickness, compound microscope type compound microscopes head trinocular 30 degree 360 degree rotating 48 75mm interpupilar plus or 5mm diopter on left tube objective magnification semi plan 4x or 0 10 10x or 0 25 s40x or 0 65 oil immersion objectives, laboratory hot air oven 1. heat load 0 point 75 kw 1 point 50 kw 2point25 kw2. no of shelves 2 3. temperature range 50oc 200oc plus or 2oc 4. insulation mineral wool5. safety device with thermostat 6. temperature controller 7. temperature display8. by l shaped glass thermometer 9. electrical supply 220 or 230v ac 50 or 60hz, laboratory eggs incubator capacity 80 lit 1 temperature range ambient plus 5 to plus 90 degree c 2 temperature uniformity plus or minus 0 35 degree c at 37 degree c 3 temperature control thermostat 4 display thermometer 5 door solid door w or glass window & lock6 exterior ms painted7 interior aluminum8 safety features over temperature thermostat9 shelves aluminum10 power supply 220 volts 11 optional caster wheels12 digital timer 13 fluorescent lamp14 incubation of co2 air mixture15 combined digital temperature & humidity controller, ph meter digital 1 range ph 0 to 14ph2 mv measurement 0 plus or minus 1999 mv3 resolution ph 0 point 014 accuracy ph 0 point 015 calibration three point calibration6 display 4 digit led display7 power supply 230v ac 50hz plus or minus 10 percent 8 temperature range 0 to 100 degree c9 standard buffer capsules 4 dot 7 & 9 dot2 ph buffer 4 dot 7 & 9 dot 2 supplied10 operating manual operating manual 11 electrode 1 set of electrode stand & clamp, conical flask 200 ml insufficient number available, electronic balance 1 kern pcb 6000 0feature2 ce compliant material3 stainless steel platform4 ac or dc input5 100 240 v ac universal plug set, gel electrophoresis assembly with digital power pack h number of samples 52buffer volume 600mlnumber of casting tray 7x5cm 13x6cm 13x10cm 1 no each number of combs multichannel pipette compatible combs height adjustable combs26 wells 1point5 mm thickness comb well width 3mm interspace 1point5 mm 2 nosno of platinum electrodes positive and negative each one buffer chamber with safety lid 1 nogel caster 1 no, thermal cycler 1 europlug2 220 240 v europlug feature3 ce compliant usb interface4 eppendorf 53840000125 temp measuring range accuracy plus minus 0point5 degree c at 20 45 degree c parameter 6 24 100 degree c temp range7 300 1 500 rpm speed mixing8 capacity 10 holds 1 block, cooling centrifuge 230 v ac uk plug featurece compliant to hold 24 1point5 or 2point0 ml micro centrifuge tubes corning 6767 hs parameter 13300 rpm16300 g technique s centrifugation suitable, gel documentation unit with computer 64 mega pixel camera, micropipette 12 channel10 100 ltwelve channel variable micropipette 0point5 ml, tips of micropipette round polypropylene tip borosil 100 1000hl c3 variable volume single channel micropipette mechanical, eppendorf tubes safe lock tubes with lid& latch with graduation material polypropylene, pcr tubes micro centrifuge tube 0point2 ml with cap transparent pack size 1000 pcs thin wall polypropylene pcr tubes with attached flip caps for labeling full height wells the thin walled polypropylene tubes and caps

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