gases
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gases [2019/07/01 12:07] superman |
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| - | **WikiSIS** is the place where you can find all the answers to preventing the [[wikisis|Sick Installation Syndrome]]. | + | **WikiSIS** is the place where you can find all the answers to preventing the [[wikisis|Sick Installation Syndrome (SIS)]]. |
| **Topics that affect SIS:** | **Topics that affect SIS:** | ||
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| For tall systems so called pressure step degasser are used. They are not installed in line but in parallel where they ´sample´ the water into a vessel.This sample is then isolated from the system and depressurised allowing all the dissolved gases to come out of solution.Once the water is degassed it is flushed back into the system. This cycle repeats every minute or so until the system is completely degassed. | For tall systems so called pressure step degasser are used. They are not installed in line but in parallel where they ´sample´ the water into a vessel.This sample is then isolated from the system and depressurised allowing all the dissolved gases to come out of solution.Once the water is degassed it is flushed back into the system. This cycle repeats every minute or so until the system is completely degassed. | ||
| - | {{:rfb_servitec_35.jpg?250 |}}{{:rfb_servitec_95.jpg?250|}} | + | {{:drukstapontgasser-01.jpg?400 |}} |
| - | Devices such as micro-bubble separators, pressure step degassers, automatic air vents etc. cannot prevent corrosion. The oxygen in the air bubbles reacts very quickly with the steel it comes into contact with.This happens faster than the separators can expell the air. If the expelled ´air´is analysed it is found to be mainly consisting of nitrogen. | + | \\ |
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| + | Devices such as micro-bubble separators, pressure step degassers, automatic air vents etc. **cannot prevent corrosion**. The oxygen in the air bubbles reacts very quickly with the steel it comes into contact with.This happens faster than the separators can expell the air. If the expelled ´air´is analysed it is found to be mainly consisting of nitrogen. | ||
gases.1561975669.txt.gz · Last modified: 2019/07/01 12:07 by superman
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