HGFQ type air recovery breathing valveDetailed product description：

HGFQ type air recovery breathing valve

The gas recovery breathing valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering

The HGFQ type air recovery breathing valve has the characteristics of large ventilation volume, small leakage, corrosion resistance, etc. It also has an electrostatic grounding wire to maintain equal potential between the air recovery breathing valve and the tank body;

Operating pressure range:
Positive pressure: 353Pa (36mmH2O) 980Pa (100mmH2O)
Negative pressure: 295Pa (30mmH2O),
The product meets the requirements of SY/T0511-1996 standard and is divided into two series: ordinary type and all-weather type. It has three operating pressures: A, B, and C. (Permissive Recovery Breathing Valve) Class A: -295pa -+355pa,
B-level: -295pa -+980pa, C-level: -295pa -+1765pa,

Please pay attention to the product name, model, and specifications when placing an order Air recovery breathing valve