The utility model not only can maintain the air pressure balance of the storage tank, ensures that the tank is damaged in the overpressure or the vacuum, but also can reduce the volatilization and the loss of the medium in the tank. The valve is installed in the nitrogen sealed tank top, tank pressure is to maintain balance, reduce product safety and energy saving medium volatile, often associated with the use of flame arresters. The valve is mainly used for the recovery of environmental pollution and endanger the safety of toxic and harmful gases.
1, storage: the above products are shipped to the site, if not installed or after the factory overhaul, rainproof facilities should be stored in a warehouse; emergency vent manhole series products not inverted during transportation.
2, maintenance:
A, the breathing
A, the breathing valve series, the staff should be monthly on the tank top check, check valve plate, valve seat, valve stem, valve cover and other parts of any dust, dirt, if any, should be clean dry static; every six months, to the valve sleeve and the valve rod wipe of transformer oil.
B, each half staff should check the fire breathing valve of the fire resistant layer at a time, if there is dirt, impurities clogging the fire resistant layer, fire resistant layer should be removed, remove stains with corresponding solvent, then rinse clean dry static fire resistant layer, put into the housing in the ventilation drying after.
C, more than the product shell inside and outside the surface of the paint should be re painted every year again.
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