1. Extinguishing appliances include: heptafluoropropane fire extinguishing devices, carbon dioxide fire extinguishers, 1211 fire extinguishers, dry powder fire extinguishers, acid foam fire extinguishers, carbon tetrachloride fire extinguishers, fire extinguishers, mechanical foam fire extinguishers, water fire extinguishers, and other fire extinguishers.
2. Fire hydrants include indoor hydrant systems and outdoor hydrant systems. Indoor fire hydrant system includes indoor fire hydrant, hose, water gun. Outdoor fire hydrants include above ground and underground, and outdoor fire hydrants are widely used in large-scale petrochemical fire-fighting facilities. Due to different installation conditions and use sites in the region, they are subject to different restrictions. Most of the petrochemical fire-fighting water systems have adopted stable high-pressure water systems and fire hydrants. Also gradually changed from ordinary type to adjustable pressure type fire hydrant.