Pyro-Chem PCL-460 Kitchen Suppression & Mechanical Gas Valve Installation in Hawthorne, CA

Location

Hawthorne

Completed

March 2026

Facility type

Meat market with a commercial cooking line

Systems

Pyro-Chem PCL-460 wet chemical system · Mechanical gas shut-off valve · Remote manual pull station

Codes

NFPA 17A · NFPA 96 · Local fire code

Authority having jurisdiction

Los Angeles County Fire Department

The client needed a new suppression system for its cooking line and exhaust hood, with a fuel shut-off that does not depend on building power.

1. 1

   Pre-engineered plans

   Drawings within the Pyro-Chem PCL-460 pre-engineered design limits: flow points, maximum pipe lengths, elbow allowances, nozzle heights and aiming angles for this appliance line.

2. 2

   Permit

   Plans submitted to the Fire Department plan check, with stamped approval before any installation work.

3. 3

   Cylinder, piping and nozzles

   The PCL-460 cylinder and mechanical control head mounted; piping and nozzles over every cooking appliance, the hood plenum and the duct transitions; and a remote manual pull station on a main exit route.

4. 4

   Mechanical gas valve

   We supplied a mechanical gas shut-off valve, a plumber installed it on the main kitchen gas line, and we linked it to the control head by trip cable.

5. 5

   Pre-test and acceptance

   An internal dry-trip test of the detection line tension, the pull station and the valve closure, then the Fire Department witness test of the manual release and the fusible-link trip, with gas shut-off and alarm signaling verified.

• Approved on the first inspection

  Fire Department acceptance on the first attempt with zero correction notes.

• Fuel shut-off without power

  The mechanical valve closes during a fire even in a total power outage.

• One contractor throughout

  From drawings and permit to the final sign-off.

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