Latest flex coupling Tenders | Government flex coupling Tenders

Central Government/Public Sector

CTN :45538484

13 Jul, 2026 NA

Ajmer - Rajasthan

Tender For supply of dresser flexible coupling (connector pipe) to cil part no. 3872268 or swiss ja part sr.no.sj-175-cp-3 or shreeyansh global part no. sg-2804152/fc or balajee traders part no. bt3872268 for demu rolling stocks. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted:max 8 lacs ] ]

Central Government/Public Sector

CTN :45071205

17 Jun, 2026 NA

Bhopal - Madhya Pradesh

Tender For bid to ras supply of 100nb size, 0.6 flanged vent with flame arrestor as per the technical enclosure as annexure-a

corporations/Associations/Others

CTN :45532876

27 Jun, 2026 NA

Kolkata - West Bengal

Tender For renovation and replacement of damaged and worn out spare parts with new ones for sludge pump-1 with ancillary works at wtp-iv, garden reach water works.- manufacturing, supply & delivery of pump - shaft made off ss-316 for 647 cum/hr., 15 mtrs head sludge , pump with necessary keys etc, as per sample at garden reach water treatment plant., , manufacturing, supply & delivery of shaft -sleeve, , made of ss-316 for 647 cum/hr., 15 mtrs head sludge, , pump as per sample at garden reach water, , manufacturing, supply &delivery of casing ring made of nici for 647 cum/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant., , manufacturing, supply &delivery of split gland made of nici for 647 cum/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant, , manufactering, supply delivery of baaring housing made of nici for 647 cum/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant., , manufactering, supply delivery of lock nut of impeller made of ss for 647 cum/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant., , manufactering, supply & delivery of lock nut of bearing made of ss for 647 cum/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant., , balancing of rotating assembly of 647 cum/hr., 15 mtrs head sludge pump including loading, unloading and transportation from and to at garden reach water treatment plant, , total rotating assembly & keep it at a suotable place after opening the top cover of pump unit. dismantling the bearing housing at both end & as per direction of eic., , manufacturing, supply & delivery of impeller made of nici for 647 m?/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant, , manufacturing.. supply delivery of bearing housing cover (d.e side) made of nici for 647 m?/hr., 15 mtrs head sludge pump as per sample at garden reach water treatment plant, , manufacturing, supply &delivery of bearing housing cover (n.d.e side) made of nici for 647 m?/hr., 15 mtrs head sludge pump as per sample at tp-1, grww. garden reach water treatment plant, , manufacturing, supply &delivery of supporting foot made of nici for 647 m?/hr., 15 mt head sludge pump as per sample at garden reach water treatment plant., , m.s plate as per is: 2062-2011/latest revision, make: sailitataijindal (b) above 2 mm upto 10 mm thickness, , fabricating m.s. specials of different diameter in shop out of 8 mm to 12 mm thick m.s plates supplied depart-mentally, cutting the plates to exact size & shape by gas cutting device and/or by adopting any other approved type of mechanical means, bending the same in true curvature by template and rolling machine of approved design including proper marking, levelling joints followed by electric arc welding - longitudinal and circumferential, as necessary, using standard electrodes as per i.s.specification including edge preparation, electricity charges and hydraulic testing of the fabricatedpiece all complete as per specification and direction of the engineer-in-charge. [the engineer-in-charge shall approve the electrodes for are welding before use. fabrication of m.s. flange to form m.s flanged tail piece shall not be considered as m.s. special], , cutting to requisite length or shape departmental r.s. joists, channels, angles, tees, plates etc. (payment to be made on area of cut surface), , welding in m.s. structural work with gas or electric: (a) tack weld, , welding in m.s. structural work with gas or electric: (b) continuous weld., , supply of m.s. flange (slipper type) as per is-6392 table 17 thickness 12mm nb diameter in mm 350, , flange joint to c.i./d.i/ms. pipes and specials including supply of rubber gasket, nuts, bolts, washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the engineer-in-charge. di

State Government

CTN :45421197

18 Jun, 2026 NA

Tiruvallur - Tamil Nadu

Tender For corrigendum : supply of pvc foot valve flanged - 6inch

Central Government/Public Sector

CTN :45528308

09 Jul, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For valve, control, globe, 2way, flanged, cl300, cs, dn65

CTN :45537989

24 Jun, 2026 NA

Jaipur - Rajasthan

Tender For annual rate contract (arc) for supply of wpil make pumps spares for various power plants of rvun - ct drain/ slug pump pump sl.no. vbp 30111-114 ,model : e12tc/1 stg, motor rating: 15 kw, speed:1460 rpm for ctpp, chhabra, basket strainer, partno. 1, pipe plug, partno. 2, suction bell, partno. 3, bearing for s/ bell, partno. 4, sand coller, partno. 5, seal ring, partno. 7, impeller, partno. 8, imp. lock collet, partno. 9, bowl, partno. 10, bearing for bowl -ruuber, partno. 11, bearing for bowl -bronze, partno. 12, discharge case, partno. 13, bearing for d/ case, partno. 14, pump shaft, partno. 15, pump shaft coupling, partno. 16, bottom column pipe, partno. 18, bottom line shaft, partno. 19, bearing retainer, partno. 20, line shaft bearing, partno. 21, line shaft coupling, partno. 22, line shaft sleeve, partno. 23, top column pipe, partno. 25, sole plate, partno. 28, base plate, partno. 29, discharge head, partno. 30, head shaft with key, partno. 31, packing box, partno. 32, bearing for pkg box, partno. 33, packing , partno. 34, lantern ring, partno. 35, packing gland, partno. 36, water deflector, partno. 37, 1 tbh assly, partno. 40, motor stand, partno. 41, adjusting nut, partno. 42, flexible coupling, partno. 43, spares for zld pump model : d200-150-500, wpil ref no. ebp 30004-05-i, capacity-310 m3 /hr, total head-80 mtr, motor rating: 110 kw, speed:1484 rpm for ctpp, chhabra, casing, partno. 1, stuffing box cover, partno. 2, impeller, partno. 3, casing wearing ring, partno.4, shaft, partno. 5, sleeve , partno. 6, gland packing, partno. 7, gland lock, partno.8, impeller key, partno.9, coupling key, partno. 10, a/f bearing (d.e.), partno. 11, a/f bearing (n.d.e.), partno. 12, impeller nut, partno. 13, imp. nut lock washer, partno. 14, bearing lock nut, partno. 15, frame adaptor, partno. 16, bearing housing, partno. 17, bearing cover- d.e., partno. 18, bearing cover- n.d.e, partno. 19, adaptor foot, partno. 20, breather , partno. 21, constant level oiler, partno. 22, lip seal-de, partno. 23, lip seal- nde, partno. 24, water thrower, partno. 25, seal ring, partno. 26, gasket for casing, partno. 27, stud, partno. 28, nut for stud, partno. 29, hex. hd cap screw, partno. 30, hex. hd cap screw, partno. 31, hex. hd cap screw, partno. 32, hex. hd cap screw, partno. 33, plug, partno. 35, spares for ds pump, model:- gm12tc, wpil ref. no.: - vj-30091-92, no. of stage: - 6, capacity: - 240 m3/hr, total bowl head: - 70 mtr, speed: - 1480 rpm, motor rating: - 75 kw for ctpp, chhabra, basket strainer, partno. 1, pipe plug, partno. 2, suction bell, partno. 3, bearing for suction bell, partno. 4, sand collar, partno. 5, hex. head cap screw, partno. 6, seal ring, partno. 7, impeller, partno. 8, imp. lock collet, partno. 9, bowl, partno. 10, rubber bearing, partno. 11, bearing for bowl, partno. 12, discharge case, partno. 13, bearing for discharge case, partno. 14, pump shaft, partno. 15, pump shaft coupling, partno. 16, hex. hd. cap screw, partno. 17, bott. column pipe-60" lg, partno. 18, bott. line shaft-60" lg, partno. 19, bearing retainer, partno. 20, line shaft bearing, partno. 21, line shaft sleeve, partno. 22, line shaft coupling, partno. 23, hex. hd. bolt with nut, partno. 24, top column pipe, partno. 25, hex. head cap screw, partno. 26, foundation bolts, partno. 27, sole plate, partno. 28, discharge head, partno. 29, head shaft with key, partno. 30, packing box, partno. 31, packing box bearing, partno. 32, packing, partno. 33, lantern ring, partno. 34, hex. hd cap screw, partno. 35, packing gland, partno. 36, water deflector, partno. 37, hex. hd. bolt with nut, partno. 38, motor stand, partno. 39, thrust brg. hous. assy., partno. 40, adjusting nut, partno. 41, flexible coupling, partno. 42, hex. hd cap screw, partno. 43, pump sl.no. val 30111-12, model : e14tc/4 stg, motor rating: 132 kw, speed:1488 rpm for csctpp, chhabra, basket strainer, partno. 1, pipe plug, partno. 2, suction bell, partno. 3, bearing for s/ bell, partno. 4, sand co

CTN :45529362

24 Jun, 2026 6.73 Crore

Jaipur - Rajasthan

Tender For annual rate contract (arc) for supply of wpil make pumps spares for various power plants of rvun - basket strainer, part no. 1 , pipe plug, part no. 2 , suction bell, part no. 3 , bearing for s/ bell, part no. 4 , sand coller, part no. 5 , seal ring, part no. 7 , impeller, part no. 8 , imp. lock collet, part no. 9 , bowl, part no. 10 , bearing for bowl -ruuber, part no. 11 , bearing for bowl -bronze, part no. 12 , discharge case, part no. 13 , bearing for d/ case, part no. 14 , pump shaft, part no. 15 , pump shaft coupling, part no. 16 , bottom column pipe, part no. 18 , bottom line shaft, part no. 19 , bearing retainer, part no. 20 , line shaft bearing, part no. 21 , line shaft coupling, part no. 22 , line shaft sleeve, part no. 23 , top column pipe, part no. 25 , sole plate, part no. 28 , base plate, part no. 29 , discharge head, part no. 30 , head shaft with key, part no. 31 , packing box, part no. 32 , bearing for pkg box, part no. 33 , packing , part no. 34 , lantern ring, part no. 35 , packing gland, part no. 36 , water deflector, part no. 37 , 1 tbh assly, part no. 40 , motor stand, part no. 41 , adjusting nut, part no. 42 , flexible coupling, part no. 43

CTN :45532259

21 Jun, 2026 NA

Kanchipuram - Tamil Nadu

Tender For supply of mechanical and electrical equipments - supply - mechanical lab equipments, single phase ac circuit kit for voltage, current and power measurement- 5a,300v, 300w/5a measurement of power by using various loads analog voltmeter 0-300v ac panel mountedanalog ammeter 0-5a ac panel mountedanalog wattmeter 1.5kw ac panel mountedsingle phase digital power monitor to measure powersingle phase ac lamp load 230v/5a 1kwpanel enclosure with hylam front panel with input/outputterminal outlets , mcb elcb trainer kit- 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5ampstwo pole elcb 30malamp load single phase 5amps panel enclosure and terminal outlets, four stroke petrol engine cut section model - single cylinder four stroke petrol engine cut sectional model with carburetor, spark plug, cut cylinder, piston, connecting rod, crank shaft, valve mechanism, cam shaft, timing gears and flywheel. all parts cut opened to study the components and its working provision to take values for valve timing. surface finish: painted and color coded for easy identification of components mounting: heavy-duty ms fabricated stand/base display type: static / dynamic demonstrationmodel, dc motor - type: dc shunt motor (dismantling model) power: minimum 0.5 hp voltage: 220 v dc speed: 1500 rpm poles: 4 pole construction: laminated stator salient poles accessible armaturefeatures: cut section / open type suitable for dismantling and reassembly, hydraulic cylinder - bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steelsupply: mounted on training base suitable for dismantling and inspection, bearing with shaft assembly - type: dismantling and assembly teaching unit shaft diameter: 30 mm shaft material: en8 steel bearings: deep groove ball bearing (6205 / 6206) housing: cast iron locking arrangement: circlips lock nuts end coversmounting: bench-mounted / frame-mounted unit, coupling unit using driving and driven shafts using plummer block bearing unit- the plummer block housing material: cast iron (grade fg 200 or equivalent).type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm. shafting and coupling shaft material: groundcarbon steel (en8 or en9) for high surface finish. coupling type: flexible coupling: to demonstrate the bearings ability to handle slight misalignment. rigid flange coupling: to demonstrate traditional direct connection. driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., (a).sliding mesh gear box for dismantling and assembling - (a) max transmitted power 1to1.5hp, torque capacity- 40 to 200nm, number .of speed 3 to 6, gear module 1.5 to 2, sliding mesh gearbox gearbox type- sliding mesh forward gears- 3reverse -yes gear material -alloy steel lubrication- splash / oil gear teeth- spur typical gear ratios- 3.2:1 / 2.0:1 /1.3:1 input speed- 0 1800 rpm housing material- cast iron(b) constant mesh gear box cut section - constant mesh gearbox (cut section) gearbox type :constant mesh forward gears :4 gear teeth -helical / spur dog clutch type- sliding lubrication -oil sae 80w90 housing- cut section material -hardened alloy steeleducational features-labeled parts., measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement., accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.

CTN :45540245

25 Jun, 2026 NA

Sivaganga - Tamil Nadu

Tender For 2026-2027 - annual tender for supply of water materials - motor, pvc , gi pipes and fittings materials - un plasticized pvc pipes for portable water supply as per is 4985/2000 gst extra applicable as per go - 4ksc, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 180mm, 200mm, un plasticized pvc pipes for portable water supply as per is 4985/2000 gst extra applicable as per go - 6ksc, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 180mm, 200mm, un plasticized pvc pipes for portable water supply as per is 4985/2000 gst extra applicable as per go - 10ksc, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 180mm, 200mm, pvc casing pipe as per is 12818 / 2010 - gst extra applicable as per go, 150mm cs, 150mm cm, 150mm rs, 200mm cs, 200mm cm, 200mm rs, pvc threaded coupler (pvc specials as per is 7834/1987), 63 mm x 50 mm, 75 mm x 50 mm, 90 mm x 80 mm, 110 mm x 100 mm, 140 mm x 125 mm, unequal tee, 63 mm x 50 mm, 75 mm x 50 mm, 90 mm x 50 mm, 90 mm x 63 mm, 90 mm x 75 mm, 110 mm x 50 mm, 110mm x 63 mm, 110 mm x 90mm, 140mm x 50 mm, 140 mm x 63 mm, 140 mm x 90 mm, 140 mm x 110 mm, 160 mm x 50 mm, 160 mm x 63 mm, 160 mm x 90 mm, 160 mm x 110mm, 160 mm x140 mm, pvc reducer coupler, 63 mm x 50 mm, 75 mm x 63 mm, 90 mm x 63 mm, 90 mm x 75 mm, 110 mm x 63 mm, 110 mm x 75 mm, 110 mm x 90 mm, 140 mm x 63 mm, 140 mm x 90 mm, 140 mm x 110 mm, 160 mm x 110 mm, 160 mm x 140 mm, pvc reducer multi stage, 90 mm x 63 mm, 110 mm x 63 mm, 110 mm x 75 mm, 110 mm x 90 mm, 140 mm x 90 mm, pvc reducer fabricated, 75 mm x 63 mm, 90 mm x 75 mm, 110 mm x 90 mm, 140 mm x 110 mm, 160 mm x 140 mm, saddle piece, 63 mm x 20 mm, 75 mm x 20 mm, 90 mm x 20 mm, 110 mm x 20 mm, 140 mm x 20 mm, 160 mm x 20 mm, pvc couplers fabricated4 ksc, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc couplers fabricated 6 ksc, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc bends fabricated4 ksc, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc bends fabricated6 ksc, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc equal tee fabricated4 ksc, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc equal tee fabricated bis 10124/1982 partv 6 ksc, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc couplers (mould) bis 7834/1975 part vi, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc elbow (mould) bis 7834/1975 part vi, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc equal tee (mould) bis7834/1975, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc male threaded adopter, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc end cap, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc tail piece without flange(bis marks), 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, pvc flanged tail piece, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, g.i. equal elbow plain, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i. equal tee plain, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i. coupling, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i. flange set, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i. cross, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, g.i. hex nipple, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i.three way elbow, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, g.i.plug dia head taper thread, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, g.i.bend, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i.union, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.m. ferrule, 15mm, 20mm, 25mm, g.i.stop cock, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm, rubber sheet for flange set, 50mm, 65mm, 80mm, 100mm, 125mm, 150mm, g.i. reduced elbow plain, 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100m

CTN :45501064

02 Jul, 2026 20.00 Lacs

Bikaner - Rajasthan

Tender For notice inviting limited tendernotice no: 01/elect./2026/ 706 date:- 10.06.2026tools & equipments of –electrician trade- heavy duty screwdriver insulated , electrician screwdriver thin stem insulated handle, , knife double bladed electrician, , chisel firmer with wooden handle, , grease gun, , (a) crimping tool, , wire cutter and stripper, , hacksaw frame, , tweezers, , drill hand brace, , plane cutters, , smoothing cutters, , file flat rough, , file flat bastard, , file rasp, half round, , the soldering gun, , contactor & auxiliary contacts (rm), , contactor & auxiliary contacts. (rm), , pin type, shackle type, egg type & suspension type insulators including hardware fitting, , portable electric drill machine, , load bank (lamp/heater type), , brake test arrangement with two spring balance rating, , laboratory type induction coil, , series test lamp (rm), , knife switch dpdt fitted with fuse terminals (rm), , knife switch tpdt fitted with fuse terminals (rm), , miniature circuit breaker (rm), , earth plate (rm), , earth electrode (rm), , elcb and rccb (rm), , fuses (rm), , rheostat (sliding type), , capacitors (rm), , various electronic components (rm), , various lamps (rm), , plug socket piano switch lamp, , holder (rm), , cables:, , twisted pair, , non-metallic sheathed cable, , underground feeder cable, , ribbon cable, , metallic sheathed cable multi-, , conductor cable coaxial cable, , direct-buried cable (rm), , rubber mat (rm), , electrician helmet, , rcc pole with accessories (ms angle iron, 'c' clamp, stay insulator etc.) and materials, , quipment, , ohm meter; series type & shunt type, portable box type, , digital multi meter, , a.c. voltmeter m.i. analog, portable box type housed in bakelite case, , milli voltmeter centre zero analog, portable box type housed in bakelite case, , ammeter mc analog, portable box type housed in bakelite case, , ac ammeter mi, analog, portable box type housed in bakelite case, , weight wattmeter analog, , (b) frequency meter (digital), , magnetic flux meter, , tachometer, , tong tester / clamp meter, , megger, , single phase variable auto transformer, , growler, , ac starters: :- -, , f. star delta starter soft starter, , g. auto transformer type, , oscilloscope dual trace, , function generator, , discrete component trainer, , linear i.c. trainer, , digital i.c. trainer, , domestic appliances -, , g. mixture & grinder, , h. washing machine semi-automatic, , i. motor pump set, , oil testing kit, , battery charger, , current transformer, , potential transformer, , 1 5 or 17 computer or latest version, , d.c. shunt generator with control panel, , motor-generator (ac to dc) with control panel, , d.c. compound generator with control panel including fitted rheostat, voltmeter, ammeter and breaker, , dc series motor coupled with spring balance load with control pannel, , dc shunt motor with control pannel, , dc shunt motor with control pannel, , dc compound motor with starter and switch with control pannel, , motor generator(dc to ac) set consisting of - shunt motor with starting compensator and switch directly coupled to ac generator with exciter and switch board mounted with regulator, breaker, ammeter, voltmeter frequency meter, knife blade switch and fuses etc. set complete with cast iron bed, , plate, fixing bolts, foundation bolts and flexible coupling., , ac squirrel cage motor with star delta starter and triple pole iron clad switch fuse with mechanical load., , ac phase-wound slip ring motor with starter switch, , universal motor with starter/switch, , synchronous motor with accessories like starter, excitation arrangements., , thyristor /igbt controlled d.c., , motor drive with tacho-generator feedback arrangement, , thyristor/igbt controlled a.c. motor drive with, , single phase transformer, core type, air cooled, , three phase transformer, shell type oil cooled with delta/ star, , electrical machine trainer -, , diesel generator set with changeover switch, ov

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