CSLB #976500 · State Fire Marshal #E2390 · Title 19 Certified
24/7 Emergency: (877) 256-0161Semi-annual service of a Pyro-Chem Kitchen Knight II system: control head, detection line, nozzles, gas valve trip and manual pull station tested, and the system tagged.
Client: A restaurant kitchen · Commercial kitchen
The challenge
The Kitchen Knight II is fully mechanical: a tensioned cable holds the NMCH3 control head ready, fusible links in the hood let it go in a fire, and a linkage closes the gas valve. Each part has to be tested every six months, and the blow-off caps on the nozzles keep grease out of the piping.
What we did
The NMCH3 control head was disarmed so nothing could discharge during testing.
The PCL-300 cylinder's gauge and bracket, the microswitches and the trip mechanism were inspected.
Every hood and plenum nozzle was checked for a clear orifice and correct aim, and missing and worn blow-off caps were replaced. The detection cable and fusible links in the hood were inspected, and the control head's trip tested under simulated release.
A simulated trip confirmed the gas valve closes. The manual pull station cable tension and seal were checked, and the Class K extinguisher inspected and tagged.
State Fire Marshal fixed-system tags under license C16-976500 went on the cylinder and the pull station.
Results
Tested and tagged under NFPA 17A and NFPA 96.
The valve closes when the control head trips.
The kitchen did not have to close for the work.
Photos
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More of our work
Wok-line grease had seized the detection line. We replaced the cable, pulleys, brackets and fusible links, then completed the semi-annual service and filed the report.
A semi-annual inspection found the Ansul R-102 piping packed with hardened grease. We cleared or replaced every blocked fitting, flushed the lines and capped every nozzle.
Filed under: Santa Clarita ValleyConnections and interlocks for a large multi-cylinder CaptiveAire system, an internal pre-test, and Fire Department acceptance on the first inspection, ahead of the restaurant's opening.
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