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All-weather explosion-proof breathing valve



Location:Products >> Flame arrester and breathing valve >> All-weather explosion-proof breathing valve
Model: GFQ-II Type
Nominal diameter: DN25mm
Main material: steel, stainless steel, aluminum
Connection type: Flange
Temperature: 200 ℃
Product details

The main purpose
GFQ-II all-weather explosion-proof breathing valve for the installation of crude oil, gasoline, kerosene, light diesel oil, aromatics and other fixed top-type storage tank on the main safety equipment is from the evaporation loss and protection When the tank overpressure or vacuum Protect from destruction. This valve is usually used with flame arrester. 
 
The main features of
the valve with ventilation, sealing performance, leakage, corrosion resistance and other characteristics. 
  
 The main shape and flange connection size

specification Weight (Kg Taiwan) Installation size (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

Note: Connecting flange in line with JB78-59 "cast iron flange" requirement.