ZAMAK is a family of alloys with a primary base metal of zinc and alloying elements of aluminium, magnesium and copper. Zamak alloys are part of the zinc aluminium alloy family. ZAMAK alloys are commonly used for Zinc Die Casting applications. Zamak Die Casting,Pressure Die Casting,Pressure Die Casting Machine,Low Pressure Die Casting Chongqing Jin Te Rui Machine Co.,Ltd , https://www.die-casting-machine.com
For the monitoring center, how to properly match the surge protector is very important. To reduce the damage caused by lightning to the monitoring center system and to protect people’s lives and property safety, when implementing the lightning protection design of the monitoring center system, the corresponding lightning protection measures shall be taken according to the environmental factors of the monitoring center system to conduct comprehensive planning. Safe and reliable, advanced technology, economic and reasonable. In order to reflect the importance of monitoring center electronic system information, the nature and value of use, as follows:
Lightning protection class building monitoring center electronic information system
Level 1, Computational Centers, Communication Hubs, Financial Centers, Securities Centers, Banks (Branch), Large and Medium-sized Airports, Radio and Television Centers, Hub Ports, Train Hubs, Provincial Cities, Water, Electricity, Gas, Heat, etc. Public facilities electronic information system.
2. First-class security systems, such as closed-circuit television monitoring and alarm systems for cultural relics and archives.
3, tertiary hospital electronic medical equipment.
Class B 1, medium-sized computing centers, bank branches, medium-sized communications hubs, mobile communication base stations, large stadiums (monitoring) monitoring systems, small airports, large ports, large-scale railway station electronic information systems.
2. Second-level security system, such as closed-circuit television monitoring and alarm system of provincial heritage and archives.
3, radar stations, microwave stations, highway monitoring and charging systems.
4, secondary hospital electronic medical equipment.
5. Five-star and higher-star hotel electronic information system.
C-class 1, three financial facilities, small communications hub electronic information system.
2, large and medium-sized cable television systems.
3. Four-star and below hotel electronic information system.
Class D General Purpose Electronic Information Protection Equipment Other than Class A, B and C above