Re: ansul system
Check out NFPA 96
NFPA 96
Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations
1-1.1
This edition of NFPA 96 provides the minimum fire safety requirements (preventative and operative) related to the design, installation, operation, inspection, and maintenance of all public and private cooking operations except for single-family residential usage. These requirements include, but are not limited to, all manner of cooking equipment, exhaust hoods, grease removal devices, exhaust ductwork, exhaust fans, dampers, fire-extinguishing equipment, and all other auxiliary or ancillary components or systems that are involved in the capture, containment, and control of grease-laden cooking effluent.