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Types of Preaction
2024-03-15
1- single interlockThis only requires activating fire detectors so that the valve opens so that water passes through the pipes of the network and once the sprinklers have worked, the water will
Tewaspray Was Established in Suzhou
Tewaspray was established in Suzhou. After years of professional research and development, sales and sales of the products of fire sprinkler system, products are welcomed in the USA,Canada, Eur
What is a Waterflow Switch
The Waterflow Switch is a mechanical-to-electrical Fire Alarm input device; it tells the fire alarm system that water is flowing in the sprinkler system.