One, the product uses 
 Water-sealed the FBQ type series explosion-proof device is installed in the drainage tube of the gas pump suction side and exhaust side road, rely on explosion-proof the bottom of the water seal to protect Inoue underground drainage pumping station equipment and user safety; gas extraction when you put gas through the inlet elbow into the water and then precipitated from the water through the outlet elbow exclusion will enter the water seal and vent piping isolation; the end of the explosion, the isolation of the water seal can not form a coherent explosion the pressure relief device, the plastic sheet is red to open the pressure relief to protect Inoue underground drainage pumping station equipment and user safety. 
 Second, the main parameters 
 Water-sealed explosion-proof is divided into the FBQ-12 type and a total of 13 kinds of specifications, corresponding to the gas drainage pipeline import and export diameter: DN150-of DN1000. Note: according to user needs and design. 
 Type the FBQ-1 the FBQ-2 the FBQ-3 the FBQ-4 the FBQ-5 the FBQ-6 the FBQ-7 the FBQ-8-9 the FBQ the FBQ-10 the FBQ-11 the FBQ-12 
 Explosion-proof tube height (mm) 1150 1200 1300 1350 1400 1450 1600 1800 1800 2000 2100 2200 
 Explosion-proof tube diameter (mm) 800 900 1050 1100 1200 1250 1350 1550 1750 1850 1950 2050 
 Explosion-proof nozzle diameter (mm) 300 350 450 480 500 550 600 700 800 900 1000 1100 
 Inlet and outlet pipe diameter (mm) 200 250 300 350 400 450 500 600 700 800 900 1000 
 Explosion-proof device height (mm) 1420 1470 1575 1600 1675 1725 1850 2150 2250 2350 2450 2550 
 Explosion-proof device width (mm) 1050 1180 1330 1380 1480 1530 1650 1950 2150 2200 2300 2400 
 Quality (Kg) 320 350 540 600 670 760 890 1500 1750 1800 1850 1950