| Product name: | Coaming vent valve |
| Appliation: | Vacuum valve, flange type, mounting hole is 4-Ø11. The outlet faces downward and forms a 45°angle in the horizontal direction |
| Standard: | GB18564.1-2006. |
| Material: | Cast aluminum alloy/stainless steel. |
| Parameters(Selecting Order Item): | |
| Item No. | Description |
| WD06-80PFQ | Internal cylinder opening mode, normally open or normally closed, stainless steel |
| WD06-80FQ | Internal cylinder opening mode, normally open or normally closed |
| Technique Specification: | |
| Nominal diameter: | DN80（3″） |
| Nominal pressure: | 0.4MPa |
| Opening mode: | Pneumatic |
| Operating temperature range: | Aluminum alloy：-20℃ ~ 70℃ |
| Stainless steel.：-20℃ ~ 200℃ | |
| Remark: | The sealing material shall be replaced every 6 months |