All-weather fire breathing valve technical parameters
GFQ-2 all-weather fire breathing valve main use:
The GFQ-2 all-weather fire-resistance breathing valve is used to install the main safety equipment on fixed-top tanks such as crude oil, gasoline, kerosene, light diesel oil and aromatics. It is used for evaporation loss and protection. The tank is exempt from overpressure or vacuum. The role of destruction.
The GFQ-2 all-weather fire-resistance breathing valve is usually used with a flame arrester.
GFQ-2 All-weather fire-resisting breathing valve Main features The valve has features of large ventilation, good sealing performance, small leakage, corrosion resistance and other characteristics.
The main technical parameters of GFQ-2 all-weather fire breathing valve:
Operating pressure: A positive pressure: 355Pa36mm water column);
Negative pressure: 295Pa (30mm water column)
Class B positive pressure: 980Pa (100 mm water column);
Negative pressure: 295Pa (30mm water column)
Class C positive pressure: 1765 Pa (30 mm water column)
Negative pressure: 295Pa (30mm water column)
GFQ-2 all-weather fire breathing valve main shape and flange connection size:
Specifications Weight (Kg table) Mounting dimensions (mm)
D1 D1 L H n×Φ
DN50 6.5 Φ110 Φ140 160 255 4×14
DN80 9.8 Φ150 Φ185 213 260 4×18
DN100 12 Φ170 Φ205 265 290 4×18
DN150 21 Φ225 Φ260 305 330 8×18
DN200 31 Φ280 Φ315 355 350 8×18
DN250 35 Φ335 Φ370 420 400 12×18
Article Source: Three Precision Valves
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