What type of water based fire protection system will have the proportioning valve?

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Prepare for the NICET Level 1 ITM of Water-Based Systems Test. Enhance your learning with flashcards, multiple choice questions, and detailed explanations. Take the first step towards success on your NICET certification journey!

Multiple Choice

What type of water based fire protection system will have the proportioning valve?

Explanation:
Foam systems include a foam concentrate that must be mixed with water to form a foam solution. To ensure the concentrate is added at the correct proportion, these systems use a proportioning valve (proportioner) to meter the concentrate into the water supply. Other common water-based systems—deluge, wet-pipe, and dry-pipe—carry only water in the pipes and do not require mixing additives, so they do not include a proportioning valve.

Foam systems include a foam concentrate that must be mixed with water to form a foam solution. To ensure the concentrate is added at the correct proportion, these systems use a proportioning valve (proportioner) to meter the concentrate into the water supply. Other common water-based systems—deluge, wet-pipe, and dry-pipe—carry only water in the pipes and do not require mixing additives, so they do not include a proportioning valve.

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