Twin-Agent Units


Extremely hazardous fires require top-level skills and innovative agents. Twin-Agent Fire Suppression Systems provide proven technology to fight large flammable liquid and gas fires. Twin-agent technology combines the fast flame knockdown of a dry chemical with the fire securing capabilities of aqueous film-forming foam. The twin-agent attack provides the most effective extinguishing and securing capability known for many flammable liquid fires. Industries that benefit most from the system include petroleum and petrochemical, marine, natural gas, and aviation.

The Twin-Agent System combines two proven, powerful agents: Purple-K dry chemical agent and ANSULITE AFFF. A potassium bicarbonate-based dry chemical, Purple-K provides rapid knockdown and suppression of flammable liquid fires. ANSULITE AFFF is synthetic, aqueous film-forming foam that blankets the fuel with a thin film, preventing the escape of flammable vapors and cooling the site.

The system is designed to be actuated and operated by one person. If the system has more than one hose reel, additional personnel can be added to fight the fire. It is available in skid, trailer and vehicle mounted variations. Pre-engineering allows customers to build the exact capacity system to protect the hazard area.

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  • Documents
  • Options
Document Name Document Type Action
Deux Fois Plus Fort Systèmes de Suppression Incendie à Agent Double Brochure/Flyer View
ДВОЙНОЙ УДАР ПО ОГНЮ Двухкомпонентные установки пожаротушения (A4) Brochure/Flyer View
ANSUL "Fundamentals of Fire Extinguishment" Brochure (Rev. 04) Brochure/Flyer View
PURPLE-K Extinguishing Agent Data/Specification Sheet (Rev. 02) Data/Specification Sheet View
СУХОЕ ХИМИЧЕСКОЕ ОГНЕТУШАЩЕЕ ВЕЩЕСТВО Purple-K Данные/Технические характеристики (Rev. 02) Data/Specification Sheet View
Twin-Agent Nozzles Data Sheet Data/Specification Sheet View
ANSUL 100/30 Self-Contained Twin-Agent Hand Hose Line Systems Fire Suppression System Data/Specification Sheet (Rev. 04) Data/Specification Sheet View
Hand Hose Line Stationary Dry Chemical Systems Data Sheet Data/Specification Sheet View
ANSUL Twin-Agent Firefighting/Securing Systems Specifications (Models 450/50, 450/100, 900/100 AND 1350/200) (Rev. 01) Specifications View
Fire Protection Solutions for Liquefied Natural Gas Manual Technical Bulletins View
ANSUL Technical Bulleltin No. 50 - Hydrostatic Retest Requirements for ANSUL Portables, Wheeled Units and Pre-Engineered Vessels (Rev. 06) Technical Bulletins View
Technical Bulletin No. 58 - Replacement Components and Service Technical Bulletins View
Technical Bulletin No. 61 - Dry Chemical Clean-Up Procedures Technical Bulletins View
ANSUL Engineered Fire Suppression Systems Including Large Dry Chemical (Stationary/Piped), Carbon Dioxide, Twin-Agent, AUTOPULSE Detection/Control, and ANSUL AUTOMAN Releasing Devices Warranty, Disclaimer and Limitation Warranty View

Options

​Agent options:

The Twin-Agent System combines ANSULITE AFFF (aqueous film-forming foam) with one of two dry chemical options:

Purple-K—A potassium bicarbonate-based dry chemical that is the most effective ANSUL dry chemical agent for Class B and C fires.

PLUS-FIFTY C—A sodium bicarbonate-based dry chemical for use on Class B and C fires.

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