Mechanical Plug Valve Tenders

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CTN :38214622

05 Dec, 2024 NA

Bharatpur - Rajasthan

Tender For supply of nitrogen purging controller modal gp-a,wc 2.2 ltr nitrogern cylinders,customized 3-in-1 back pack bag,purging nozzle set model n6,customized cylinder regulator with 2 x gauge indication

CTN :38183741

03 Dec, 2024 NA

Jalpaiguri - West Bengal

Tender For supply of trolly air / nitrogen charging single cylinder with regulator

CTN :38151515

29 Nov, 2024 NA

Jalandhar - Punjab

Tender For supply of dgeme tools - nitrogen purging controller model gp-a , wc 2 point 2 ltr nitrogen cylinder , customized 3 in 1 back pack bag , purging nozzle set model n6 , customized cylinder regulator with 2 x guage indication

Central Government/Public Sector

CTN :38041238

18 Nov, 2024 NA

Bangalore - Karnataka

Tender For corrigendum : tender for supply of fuel tank leak check kit , ulb tester , oleo charging kit , nitrogen charging trolley , optical head for alignment of mgb , test kit for efg , pressure regulator - nitrog trolley , filter assembly , pressure gauge 0-150psi , pressure gauge 0-400psi

corporations/Associations/Others

CTN :37931029

14 Nov, 2024 NA

Cuddalore - Tamil Nadu

Tender For corrigendum : supply of gas mixture 500ppm co, 500ppm so2, 500ppm no , zero gas cylinder cs (0.4% o2, balance nitrogen) , span gas cylinder cs (8% o2, balance nitrogen) , gas cylinder filled with co 500ppm, balance n2 , hydrogen. purity: 100% calibration gas , hydrogen purity 90% + balance nitrogen calibration gas mixtures. , cs cylinder & regulator capacity: 10 ltr. with 99.9% pure co2 gas

Central Government/Public Sector

CTN :38123754

18 Nov, 2024 NA

Kapurthala - Punjab

Tender For high pressure supply regulator n2/o2 with 40-micron internal filter. mate rial: brass bar stock body and bonnet, ptfe seat or kel-f seat, ptfe and viton (internal), pilot regulator tubing and tube fitting. 316l stainless steel, pressure gaug e (psig/bar dual scale), brass(socket)bronze (bourdon tube) brass(case). specification: max, inlet pressure 310 bar, temp range-40 to +60 degree c, max flow: 2800 lpm connection: inlet 1/2 inch fpt, outlet 1/2 inch fpt, outlet pressure 31 bar for assist ga s nitrogen. make: concoa 622 series or its equivalent (subjected to fitment & functioni ng) make: concoa or equivalent. [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :38112967

26 Nov, 2024 NA

Surat - Gujarat

Tender For custom bid for services annual maintenance contract of novec 1230 system at ongc hazira plant for 03 years- 1. checking & servicing schedule 1.1quarterly a) novec 1230 systems i) visually check cylinders and entire system for any damage / rusting. ii) check the rubber discharge hose for any kinks, bent or cut. iii) check the discharge nozzles for any damage / obstruction iv) check the pressure of the cylinder. cylinder needs to be pressurized if loss in pressure is more than 10%. v) check the panel for any error message, lamp test etc. 1.2 annually a) novec 1230 systems i) carry out all jobs listed in quarterly servicing. ii) carry out weighment of the all the cylinders and refill those having 5% or more weight loss. iii) any 10% or more loss in pressure is to be made up by pressurizing with nitrogen in the novec cylinders which are in pressurized state. iv) pilot nitrogen cartridge / cylinder is to be refilled to desired pressure, if pressure found low. v) expellant nitrogen cylinders if pressure found low then has to be hydro tested and refilled. vi) carry out dump actuation test of the system without discharging the agent. vii) check the threaded portion, joint portion & flanges for any leakage. viii) check the logic by actuating detectors of the same zone (if permitted by the custodian) ix) check for the time lapse of 30 seconds. x) check the strobe lamps and visual & audible signals for pre discharge of agent. xi) carry out flushing of the discharge line and check for any foreign particles. xii) check the copper / ss tubing for any leakages and replace the same if required. xiii) replace all rubber parts and gaskets. xiv) checking & servicing of dv for proper functioning of all the directional valves (wherever provided) and record the pressure of opening. xv)check all the three way and four way valves (wherever provided) xvi) nuts & bolts wherever required are to be replaced & greased. xvii) psv / prv provided in the discharge header needs to be calibrated and marked. xviii)wherever pneumatic actuators are provided, they need to be tested for the pressure at which they operate. this can be done via supplying controlled nitrogen gas via a pressure regulator. xix) bench test of safety valve 13 nos. 1.3 following jobs is to be carried out in the third year of amc: i) ultrasonic thickness measurement of the shell of the cylinder. ii) thickness of the painting of the cylinders iii) hose shall be hydro tested. 1.4 replacement of parts: following parts needs to be replaced as and when required after consent of ongc executive. the quantity mentioned is tentative and may increase or decrease depending upon the condition of the system while servicing the novec system. sr. no parts qty 1 pressure switch high 3 2 pressure switch low 2 3 manifold check valve 3 4 inter connecting hose 15 5 discharge hose 3 6 solenoid valve 3 7 pilot cylinder gas refilling (lts.) 11 8 novec gas (lts.) 835 9 cylinder pressure gauge (including pilot) 6 10 directional valve

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