NFPA 13 3 times rule and 4 times rule is used for Obstructions to Sprinkler Discharge Pattern Development. This will position the sprinkler head to spray over horizontal obstructions within 18 inches of deflector and around vertical obstructions. This is a full lesson to understand the 3 and 4 times rules.
- 2 ай бұрын
NFPA 13 3 & 4 Times Rule fire sprinklers spraying over horizontal and around vertical obstructions
- Рет қаралды 920
Пікірлер: 10