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Combustion gases
| Глоссарий технических терминов по водонагревателям (английский) |
Gases released when a gaseous, liquid or solid fuel reacts at an elevated level that needs to be vented with gas or oil-fired water heaters.
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Commercial application, английский
Demand for more water usage than in a single family dwelling.
Check valve, английский
- Allows fluid to flow in only one direction in a pipe; also known as back-flow preventer.
- Возвратный клапан
- Обратный клапан
- One that allows liquid to flow in one direction but not in the other.
- Generally a ball-type valve device placed in core barrels, soil samplers, or drill rods to control the directional flow of liquids. when used on a core barrel, the check blocks the downward flow of the circulation liquid through the inner tube. when used on a rod string, it blocks the upward flow of the circulation liquid through the rods.
- Any device that permits a liquid or gas to pass in one direction but automatically closes when the flow is stopped or reversed.
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