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04
2024
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02
Precautions for exhaust valve selection
1. The location of the exhaust valve is more important than the choice of diameter.
2. For long-distance pipelines, the ideal method of exhaust is in a shorter distance (generally 500 ~ 1 000 m) to install a larger number of smaller diameter exhaust valve, rather than installing a larger diameter but a small number of long intervals between the exhaust valve.
3. In most cases, the requirements for the installation of small-capacity automatic exhaust, large-capacity system filling exhaust and system evacuation vacuum damage three-function combination valve, that is, composite exhaust valve.
4. When the highest two sides have different slopes, according to the harsh conditions of the slope to determine the size of the exhaust valve.
5. If you choose not with slow-closing exhaust valve, it is best to install a large and small two exhaust valves in one place. If you choose to use with slow-closing exhaust valve, only in the top of the pipe to install a can. More undulating pipeline, should be installed at the high point of the exhaust valve.
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