ANSUL A101 / LVS Vehicle Fire Suppression System

Automatic Detection System Three automatic detection systems are available for use with the Ansul A-101 fire suppression systems:

Manual/Automatic Actuator(s) The manual actuator consists of an actuator body, a nitrogen cartridge, and a mounting bracket. Two types of manual actuators are available: Remote type and Dashboard type. The Remote type uses either the S style bracket or the cartridge guard style enclosure. The Dashboard type uses the L or S style mounting bracket. When the manual actuator is operated by hand, gas supplied from the nitrogen cartridge is released into 1/4 in. actuation hose. This nitrogen pressure then operates the pneumatic actuator that punctures a larger expellant gas cartridge (either carbon dioxide or nitrogen) and this fluidizes and propels the dry chemical from the agent storage tank. Automatic actuators (a component of the automatic detection system) operate the same way, except they can be operated automatically by the detection system.

Distribution Piping (Hose) and Nozzles The distribution piping (hose) network is designed to properly distribute the dry chemical to the nozzles. To survive the vibration found on mobile equipment, hose is used to distribute the dry chemical. In the A-101 preengineered system; hose sizes, maximum and minimum hose lengths, and number of nozzles are predetermined. There are three types of nozzles available for the A-101 system. Each type of nozzle has been designed and tested for various applications and area of coverage. Nozzle blow-off caps are available to keep the nozzles free of dirt and grease.

Expellant Gas Cartridge The expellant gas cartridge is a spun high pressure cartridge containing either carbon dioxide for temperature ranges of 0

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