bezpiecznik wodny
| 11:21 Jan 30, 2022 |
| Polish to English translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / Spawanie | |||||
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| Summary of answers provided | ||||
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| 4 | flashback flame arrestor (water based) |
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| 2 | hydraulic valve |
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| 1 | hydraulic back pressure valve |
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Answers
5 hrs confidence: 
hydraulic back pressure valve Explanation: . |
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5 hrs confidence:
hydraulic valve Explanation:  - https://docplayer.pl/17303368-1-wstep-konstrukcje-metalowe-l... - page 2 ----- The gas coming from the generator through the longer pipe passes out of the lower end of the pipe which is under water and bubbles up through the water to the space in the top of the cylinder. From there the gas goes to the pipe leading to the torches. The shorter pipe is closed by the depth of water so that the gas does not escape to the relief pipe. As long as the gas flows in the normal direction as described there will be no escape to the air. Should the gas in the torch line return into the hydraulic valve its pressure will lower the level of water in the cylinder by forcing some of the liquid up into the two pipes. As the level of the water lowers, the shorter pipe will be uncovered first, and as this is the pipe leading to the open air the gas will be allowed to escape, while the pipe leading back to the generator is still closed by the water seal. As soon as this reverse flow ceases, the water will again resume its level and the action will continue. Because of the small amount of water blown out of the escape pipe each time the valve is called upon to perform this duty, it is necessary to see that the correct water level is always maintained. - https://www.gutenberg.org/files/7969/7969-h/7969-h.htm --- Fig. 53. The acetylene pipe from the gasholder or generator is connected to the tap A, and the acetylene tube leading to the blowpipe is connected to the tap B. C is a cup with a loosely-fitting lid into which water is poured to charge the chamber D up to the level of tap E. The tap A must be closed whilst the chamber D is being charged with water. When water shows at the tap E immediately stop filling, and after allowing time for surplus water to drain off, close tap E. The lid must then be replaced on cup C and the tap at A may be opened. The valve is then in working order. The filling pipe F is made long enough to hold a column of water greater than the pressure of the acetylene, which should not be less than 8 inches of water. When at work the taps A and B must be open and the supply of acetylene regulated by the tap H on the cutting blowpipe (Figs. 49 and 50). Should the nozzle at any time be-come choked whilst the oxygen supply remains unchecked, this gas would be forced by its superior pressure along the acetylene pipe. The back pressure thus caused, acting on the surface of the water in the chamber D, would force the water up the pipe F, displacing the lid on cup C. The hydraulic seal would thus be destroyed, and both gases would escape into the atmosphere until the taps A and B were closed, thus oxygen can never penetrate the acetylene supply pipe beyond the hydraulic valve provided the hydraulic valve is properly filled with water. - https://chestofbooks.com/home-improvement/workshop/Receipts/... |
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4 days confidence:
flashback flame arrestor (water based) Explanation: Wet type Liquid seal flame arrestors are liquid barriers following the principle of a siphon where the liquid stops the entering deflagration and/or detonation and extinguishes the flame, they work by bubbling the gas through a non-flammable and ideally non-gas-absorbing liquid, which is typically water. They stop the flame by preventing it from reaching the submerged intake. T |
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