1) The arrow mark on the flash back arrestor refers to the
direction of airflow under the normal work.
You shouldn't install it reversely, otherwise the gas cannot pass
through. You should check the joint whether there is any gas
leakage.
2) The flash back arrestor is forbidden to be opened. Once it is
opened, you must do the efficiency test again.
Qualified ones need to present the conformity certificate again, or
it cannot be installed to use.
3) Once the flash back have any damage, you must stop to use
immediately and renew it to continue to use. The flash back
arrestor must force
to be replaced after using for half a year.
4) You must do the inspection by using the qualified efficiency
test equipment when examining and repairing the flash back
arrestor, qualified ones need to present the conformity certificate
again. If you haven't specialized efficiency test equipment, you
need to replace the flash back arrestor instead of repairing.
5) The factory package should be placed in a dry and ventilated
place, the flash back arrestor is forbidden to touch
anything smeary and corrosive. Do not throw it heavily or the flash
back arrestor will be damaged.
