1.HXF-88 type respiratory valve for the main safety equipment installation of crude oil, gasoline, kerosene, diesel, aromatics and other fixed type storage tank on top of, is to reduce the evaporation loss of oil tank and protection under overpressure or vacuum from damage. This valve is usually used with a flame arrester.
2 the valve has a large amount of ventilation, good sealing performance, small leakage, corrosion resistance of the prominent features.
3 operating pressure: a positive pressure: 1765Pa (180 mm water column); negative pressure: 294Pa (30 mm water column) B positive pressure: 980Pa (100 mm water column); negative pressure: 294Pa
2 the valve has a large amount of ventilation, good sealing performance, small leakage, corrosion resistance of the prominent features.
3 operating pressure: a positive pressure: 1765Pa (180 mm water column); negative pressure: 294Pa (30 mm water column) B positive pressure: 980Pa (100 mm water column); negative pressure: 294Pa
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