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Tender For corrigendum : supply of a set of flash back arrestors (dry type) suitable for use in oxy-fuel gas cutting/welding systems, for both oxygen and fuel gas (acetylene/lpg/bcg) lines, for installation at torch end and regulator end, to prevent flash backs. the flash back arrestors shall conform to en 730 / iso 5175-1 / is 11006:2011 (ra-2021), amendment-1 of december 2013 standards. one set shall consist of four (04) numbers of flash back arrestors, comprising one(01) number for oxygen regulator-end installation ,one(01) number for fuel gas (acetylene/lpg/bcg) regulator-end installation, one (01) number for torch-end installation for oxygen supply and one(01) number for torch-end installation for fuel gas (acetylene/lpg/bcg) , as applicable. the flash back arrestor shall be provided with flame arrestor (fa) and non-return valve (nrv) as minimum safety features. for regulator-end applications, the flash back arrestor shall additionally be provided with a thermal cut-off valve (tv). end connections shall be g 3/8" threads conforming to en 560 / iso 3253 standards, suitable for right-hand (rh) threads for oxygen line connections and left-hand (lh) threads for fuel gas (bcg/acetylene/lpg) line connections, as applicable. the working pressure and configuration shall be suitable for oxygen lines (up to 15 bar) and fuel gas lines (1.5 bar for acetylene / 5.0 bar for bcg/lpg) as per application. accepted makes shall be of messer / esab / gce / weldstar / ador/witt. offers shall beaccepted only from oems or their authorized dealers. valid authorized dealership certificate shall be enclosed. suppliers shall submit test certificates from a government-authorized test house. in case of international brands, test certificate from a reputed institute such as bam, germany is mandatory. suppliers shall possess in-house facilities for testing and calibration of flash back arrestors. the purchaser reserves the right to inspect these facilities. note: four (04) samples shall be supplied in advance and suitability approval fromthe consignee shall be obtained before commencement of production and bulk supply. [ warranty period: 12 months after the date of delivery ]
Tender For contract on as and when required basis for refilling of zero grade nitrogen gas, zero grade hydrogen gas, dry air and argongas in our own gas cylinders or in agency s cylinders on rental basis (after free period) for transformer oil testing laboratory, ccotl, expansion service building near 3x660 mw ktps, koradi under o/o. dy.ce-iii (fm), mspgcl, nagpur for 2 years.
Tender For supply of electrode ferrospeed 4 mm,electrod ferrospeed 3.15mm,oxygen regulator two stage,acetylene regulator two stage,cutting torch heavy duty(type h-8607),hand cutting nozzle anme 3/64 size,chipping hammer,hose for oxygen gas welding 10mm,hose for acetylene gas welding 10mm,welding screen,welder's gloves 140,welding apron/jacket,flash back arrestor(type cg91-oxy-g-rh),electrode holder 600 amp,clamp for hose pipe 1/2 in,flash back arrestor cg-91-fuel-lr-acetylene
Tender For supply of ultra high pure argongas : : - ultra pure argongas , transportation charges for each visit to ardc hal for collection of empty cylinder and delivery of filled cylinders , charges to carry out the hydraulic testing of cylinder test certificate with validity should be provided along with cylinder , charges for pse washing of hal owned cylinders , chargesfor painting of hal owned cylinders , charges for evacuatiing and purging charges
Tender For supply of procurement of hydrogen gas , procurement of argongas , procurement of nitrogen gas , procurement of helium gas , transportation charges for cylinders , rental charges for cylinder per day after rent free period
Tender For supply of png fuel gas train with overall dimensions as per rwf drawing no. 702210610040 alt-1. should be capable of a steady flow of 85 nm3/hr the inlet pressure: 4 bar. outlet set pressure not to exceedmax. of 1 bar. inlet / outlet pipe size : 1 inch. [ warranty period: 30 months after the date of delivery ]