Ha-2.5a threaded waterproof vent valve

  Metal threaded waterproof and breathable valve is a miniature metal threaded waterproof and breathable valve made of metal material embedded with microporous e-PTFE membrane
It has the characteristics of high temperature resistance, corrosion resistance and not easy to be oxidized
It has simple installation method and wide application range
It is used in chemical industry, transmission system, lighting, outdoor communication equipment and other fields The product achieves good waterproof performance, restores air permeability after leaving the liquid, maintains air pressure balance, avoids expanding gas attacking weak links, prevents cracks and deformation, and prolongs the service life of the shell
Maintain humidity balance, discharge moisture, alleviate fog and condensation, protect components in the shell, prolong the service life of shell components, and prevent salt and water from entering the interior

1、 Dimensions
Table 1 Number and size of waterproof vent valve

No (drawing No )	L（mm）	t（mm）	d（mm）	Mp（mm）
HA-2 5A	five point five	two	six point five	M2 5× zero point seven

 
 
Figure 1 overall dimension of waterproof vent valve
2、 Series features
  In the series, the overall size of the parts is small and the structure is compact, which is suitable for micro equipment

3、 Product performance
l  Air permeability ml / min (△ P = 1kPa) ≥ two
l  Protection grade IP68
l  Water blocking pressure ＞ - 12kpa
l  Temperature range - 40 ~ 125 ℃