Fire sprinkler System

20,000 Tk

Description

A fire sprinkler system is an active fire protection method, consisting of a water supply system, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected. Although historically only used in factories and large commercial buildings, systems for homes and small buildings are now available at a cost-effective price.Fire sprinkler systems are extensively used worldwide, with over 40 million sprinkler heads fitted each year. In buildings completely protected by fire sprinkler systems, over 96% of fires were controlled by fire sprinklers alone.

The alarm valve is an alarm device designed for installation in a sprinkler system. It is used to actuate a fire alarm when flow of water from the sprinkler system exceeds that of a single sprinkler. When a sprinkler is in operation, the resulting water flow lowers the pressure in the sprinkler system. The greater water supply pressure then causes the alarm valve clapper to open. The seat ring opening of the
alarm valve allows the water to flow into the alarm line connection which will then operate the alarm gong.

The by-pass connection in the check valve allows pressure surges from the supply to by-pass the alarm valve clapper. An excess system pressure is thus created which steadies the clapper.

A Retard Chamber is used when the water supply pressure fluctuates, such as public main water supply. It is used to prevent false alarms caused by surges or fluctuations in pressure.

Specifications
Working pressure : 175Psi (12bar)
IFactory hydrostatic test pressure : 350Psi (24bar)
Flange Connections : ANSI B16.1 125 FF Flange
Thread Connections : BSP Thread

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  • Mobile number: 01719066441
  • City or Division: Dhaka
  • Local Area: Badda
  • Condition: New
  • Electronic Item Type: Other
  • Listed: December 5, 2018 10:41 am
  • Expires: 111 days, 22 hours
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  • Mobile number: 01719066441
  • City or Division: Dhaka
  • Local Area: Badda
  • Condition: New
  • Electronic Item Type: Other
  • Date: December 5, 2018 10:41 am
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