In industrial, civil, and various comprehensive buildings, provide various equipment for fire protection systems (including fire prevention, smoke exhaust fans, positive pressure fans, hydrant pumps, spray pumps, fire shutter doors, large water cannons, fire elevators, etc.), fire automatic The power supply of the alarm system, fire control system and fire emergency lighting system is called fire power supply.
Fire fighting equipment emergency power supply installation specifications:
The battery of the emergency power supply of the fire fighting equipment should be installed in a well-ventilated place, and there should be a ventilation device when it is installed in a sealed environment. Number of inspections: All inspections. Inspection method: observation and inspection.
The acid battery shall not be installed in the place with alkaline medium, and the alkaline battery shall not be installed in the place with acid medium. Number of inspections: All inspections. Inspection method: observation and inspection.
Fire-fighting equipment emergency power supply should not be installed close to pipelines, warehouses, operating rooms and other places with combustible gas. Number of inspections: All inspections. Inspection method: observation and inspection.
Single-phase power supply rated power greater than 30kW, three-phase power supply rated power greater than 120kW should be equipped with independent fire emergency power supply. Number of inspections: All inspections. Inspection method: observation and inspection.
System ground
The metal shell of the fire-fighting electrical equipment with AC power supply and DC power supply above 36V shall have ground protection, and the ground wire shall be connected with the electrical protection grounding trunk (PE). Number of inspections: All inspections. Inspection method: observation and inspection.
After the construction of the grounding device is completed, the grounding resistance should be measured and recorded. Number of inspections: All inspections. Inspection method: instrument measurement.
Peeled Or Turned Steel Bar is produced by peeling or turning from hot rolled steel bar. Our advantages and more services of Cold Drawn Steel Round Bar includes:
1) Wide range of diameters from 20mm to 150mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 1.6um
4) Good straightness: 0.5mm/m to 2mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.1mm / h9, h10, h11
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
