Tender For corrigendum : supply of aluminothermitwelding portions (using compressed air petrol/lpg pre heating system) 3 piece prefabricated mould (zircon washed) manually pressed, single shot crucible fitted with auto tamping timble for south central railway as per rdso specification no. irst/19-2020 and as amended upto the date of opening of tender. 52 kg/90 uts - 25 mm gap (with accessories as anexure) [ warranty period: 30 months after the date of delivery ]
Tender For supply of aluminothermitwelding portions (usingdescription of materialcompressed air petrol/lpg pre-heating system) 3 piece prefabricatedmould (zircon washed) manually pressed, single shot crucible fittedwith auto tapping timble for south central railway as per rdsospecification no.irst/19-2020 for 60kg/60e1-r260 grade rail-25mm gap and as amended up to the date of opening of tender. (withaccessories as per annexure-a) [ warranty period: 30 months after the date of delivery ]
Tender For aluminothermitwelding work of 60 kg (90 uts)/60 el-r-260) rails and 52 kg/90r rail (90/72 uts) rail between maghar - shahjanwa- jagtbela-bansgaon section in connection with shahjanwa-dohrighat phase-i, new line project of lucknow division of n.e.railway
Tender For supply of at welding equipment (cap pre heating system) compressed air blower machine fitted with data transmitter technology as per clause 10.1.(iv) of irs t 19-2021 the compressed air blower shall have facility to record and save the preheating parameters viz. pressure and time, firm details, welder details and weld location details for a particular weld along with facility to send these preheating parameters and related details automatically as sms to concerned railway officials immediately after finishing of preheating. it shall be possible to send this sms simultaneously up to 10 mobile numbers. [ warranty period: 30 months after the date of delivery ]
Tender For supply of item 1- vertical, column and boom type automated hot wire gas tungsten arc welding gtaw hard-facing machine with controller and tilting positioner , item 2- gas nozzle ceramic straight of size dia. 12mm. , item 3- 1 percentage lanthanated tungsten electrode dia.4mm by 150mm long , item 4- 1 percentage lanthanated tungsten electrode dia.2.4mm by 150mm long , item 5- collet for tungsten electrode of size dia. 2.4mm suitable for hardfacing torch id 45mm or less , item 6- gas lenz for tungsten electrode of size dia. 2.4mm suitable for hardfacing torch id 45mm or less , item 7- collet for tungsten electrode of size dia. 3.2mm suitable for hardfacing torch id 45mm or less , item 8- gas lenz for tungsten electrode of size dia. 3.2mm suitable for hardfacing torch id 45mm or less , item 9- collet for tungsten electrode of size dia. 3.2mm suitable for hardfacing hardfacing torch id 150mm or less , item 10- gas lenz for tungsten electrode of size dia. 3.2mm suitable for hardfacing hardfacing torch id 150mm or less , item 11- collet for tungsten electrode of size dia. 3.2mm suitable for tig welding torch , item 12- copper contact tip for wire dia.1.2mm , item 13- copper contact tip for wire dia.1.6mm , item 14- heat shrinkable sheath dia.25.4 to 7.1mm by 1200mm long , item 15- copper tube liner for wire dia.1.2 to dia.1.6mm by 1000mm long minimum , item 16- mobile wire guide dia.38 - 90 deg. , item 17- wire guide dia.35 - 180 deg. , item 18- cooled wire guide for dia.125- 150mm suitable for hardfacing , item 19- gas lenz for tungsten electrode of size dia. 3.2mm suitable for tig welding torch
Tender For supply and supervision of at welding portion 60kg/60e1, r260 rail joints aluminothermitwelding for 52 kg, 60 kg/60e1, r260 grade rails for associated track related works under sr. den/iii/ddu.