Flushing ring for diaphragm sealing systems
Flushing rings in diaphragm seal systems
The main function of the flushing ring is to flush/clean the diaphragm of the diaphragm seal to prevent the process medium from crystallizing, depositing, or corroding in the sealing area, thereby protecting the seal, extending the life of the equipment and ensuring the reliability of the measurement or control system.
The flushing ring has one or two threaded holes on the side for flushing the diaphragm. The main advantage of the flushing ring is that the system can be flushed without disconnecting the diaphragm seal from the process flange. The flushing ring can also be used to vent or drain air.
There are a variety of materials available for flushing rings, including stainless steel, Hastelloy, Monel, etc., which can be selected according to the properties of the fluid and the use environment.
The reasonable design and use of flushing rings can effectively protect the diaphragm sealing system in harsh industrial environments and ensure the equipment's long-term normal operation.
Flushing ring information
| Product name | Flushing ring | |
| Material | Stainless steel 316L,Hastelloy C276, customized | |
| Specification | DIN EN 1092-1 | DN25、DN40、DN50、DN80、DN100、DN125 |
| ASME B16.5 | 1"、1 ½"、2"、3"、4"、5" | |
| Connection | Female thread | G ½, G ¼, ½ NPT or ¼ NPT, customized |
| Male thread (with adapter) | G ½, G ¼, ½ NPT or ¼ NPT, customized | |
| Flushing hole | 1 | |
| 2 | ||
Where is the flushing ring used?
Flush rings are commonly used in industries that process or transport fluids that are viscous, corrosive, or contain sediment, such as oil and gas, wastewater treatment, and food and beverage processing.
Flushing ring drawing
| ASME B16.5 | ||||
| DN | Class | Dimension (mm) | ||
| D | d | h | ||
| 2" | 150-600 | 92 | 62 | 30 |
| 3" | 150-600 | 127 | 92 | 30 |
| 4" | 150-600 | 157 | 92 | 30 |
| 5" | 150-600 | 185.5 | 126 | 30 |
| DIN EN 1092-1 | ||||
| DN | PN | Dimension (mm) | ||
| D | d | h | ||
| 50 | 16-400 | 102 | 62 | 30 |
| 80 | 16-400 | 138 | 92 | 30 |
| 100 | 16-400 | 162 | 92 | 30 |
| 125 | 16-400 | 188 | 126 | 30 |
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