Metal Waterproof Breather Valve
In modern industrial production, as a crucial protective component,
the metal waterproof and breathable valve is playing an
increasingly important role. This seemingly simple device is
actually an invisible guardian ensuring the safe operation of
equipment.
The working principle of the metal waterproof and breathable valve
is based on precise physical design. It adopts a special
multi-layer metal filter screen structure and achieves selective
permeation by controlling the size and distribution density of the
pores. Liquid water cannot pass through the micro-pores due to the
effect of surface tension, while gas molecules can pass through
freely. This design ingeniously solves the technical problem of
balancing waterproofing and breathability, demonstrating the
ingenuity of engineering design.
In the field of medical equipment, the application of metal
waterproof and breathable valves is particularly important. It is
widely used in precision equipment such as medical imaging devices
and in vitro diagnostic instruments, effectively preventing liquid
from seeping in and ensuring the balance of the internal air
pressure of the equipment. This protection mechanism not only
extends the service life of the equipment but, more importantly,
guarantees the accuracy and reliability of medical diagnosis.
With the progress of manufacturing technology, the performance of
metal waterproof and breathable valves has been continuously
improved. The application of laser micro-hole processing technology
has enabled the pore accuracy to reach the micron level,
significantly enhancing the performance of the valves. The
introduction of new antibacterial coatings has given it a broader
application prospect in special fields such as medicine.
Looking ahead, metal waterproof and breathable valves will develop
towards the direction of multi-functional integration. Intelligent
valves integrated with functions such as temperature and humidity
sensors and pressure monitoring can provide more comprehensive
protection for the equipment. This innovation will push the
protective technology of industrial equipment to a new height.
Product dimension

Ø | H | L | L1 | MP |
13 | 11.5 | 23.5 | 14.5 | M5*0.8 |
Product parameters
Air permeability | 3ml/min atp=1KPa |
Water blocking pressure | -120mbar(>1M) |
Applicable temperature | -50℃~150℃ |
Protection level | IP68 or IP67 |
Advantages of Waterproof Breathable Valves
Excellent waterproof performance
Good air permeability
Dust and dirt prevention
Chemical corrosion resistance
Long lifespan and reliability
Miniaturization and integration