Daily maintenance of HFC-227ea fire extinguishing device?
The specific use and maintenance methods of HFC-227ea fire
extinguishing device are as follows:
1. Trained personnel shall conduct daily appearance and pressure
indication value inspection of the entire system to check whether
there are any abnormal phenomena in the system.
2. Check all components monthly. All components should be free of
collision deformation and other mechanical damage, the surface
should be free of rust, the protective coating should be intact,
the nameplate should be clear, and the lead seal and safety mark of
the manual operation device should be complete; the pressure gauge
pointer of each fire extinguishing agent bottle group and driving
gas bottle group should be in the green area. If the pressure gauge
pointer is found to be in the red warning area, the manufacturer
should be contacted immediately to find out the cause of the
leakage and replenish or replace it.
3. Weigh and check the fire extinguishing agent storage container
once a year. If the weight drops by more than 5%, the storage
bottle must be refilled or replaced.
4. Inspect HFC-227ea cylinders every three years, and conduct
strength and sealing performance tests on fire extinguishing agent
storage containers and container valves every five years. They can
continue to be used only after passing the tests.
The following situations in the "Technical Supervision Regulations
on Gas Cylinder Safety" require advance inspection:
Article 7.5 stipulates that advance inspection
During use, if the gas cylinder is found to have any of the
following situations, it shall be inspected regularly in advance;
(1) Severe corrosion, damage or doubts about its safety and
reliability;
(2) The wrapped layer of the wrapped gas cylinder is severely
damaged;
(3) The gas cylinder is used after being stored or out of service
for more than one inspection cycle; If the gas cylinder is found to
have severe corrosion, damage or doubts about its safety and
reliability during use, it shall be inspected in advance. Gas
cylinders that have been stored and out of service for more than
one inspection cycle shall be inspected before being put into use.
After use, the equipment shall be entrusted to the manufacturer or
a qualified unit to refill the fire extinguishing agent.
