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Material:
Co2 Fire trace vlave : CuZn 39 pb3.
HFC-227ea Fire trace valve CuZn40Pb2.
Working pressure :
Co2 cylinder valve > 15 mpa,
HFC-227ea cylinder valve >18Mpa
Force should not be less than 1.8 Mpa.
Strength requirements:
under 1.5 times work pressure hydraulic pressure strength test,
maintain 5 minutes, the container valve and its accessories
Deformation, leakage.
Sealing requirements: under 1.1 times work pressure tightness test,
when the valve is closed, should be no bubble discharge
Leakage requirment ;
When the valve is in open state, t
he connecting sealing parts bubble leakage should not be more than 20 / min.
Overpressure requirements:
3times under the working pressure of hydraulic test,
to break the container valve and accessories.
Corrosion resistance requirements:
salt spray corrosion test,
each part of the container valve had no obvious corrosion damage,
no proformance decline.
Carbon dioxide container valve safety relief devices action required:
the security of the container discharge diaphragm in 1.25 times the most great work
As stress + / - 0.0625 times the maximum working pressure should be able to burst.
Work reliability requirements:
container valve action should be flexible, reliable,
and may not appear any fault and structural damage (is
Often work allowed except the damaged parts).