Tyco Novec 1230 50kg-B
Tyco / Johnson Controls Tyco Novec 1230 50kg-B — Fixed Fire Suppression.
Inspector Detail
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Common issues
- Loss of agent pressure/weight over time from cylinder valve or fitting leakage
- Corrosion on cylinder brackets and piping in the machinery space environment
- Actuation solenoid or pilot line failure preventing automatic discharge
- Detection system (smoke/heat detectors) false alarms or failure to trigger release
- Discharge nozzles blocked or fouled by paint overspray or debris
- Manual release cable or pull station corrosion/seizure
- Compartment integrity failures (damaged seals, unsealed penetrations) reducing agent hold time below the required duration
Inspection checklist
- Check cylinder pressure gauge / liquid level indicator against the maker's acceptable range
- Weigh cylinders (or check level gauge) to confirm agent quantity is within tolerance
- Visual inspection of piping, brackets and nozzles for corrosion, damage or blockage
- Function test detection and alarm system per the maker's procedure
- Inspect manual release stations and pull cables for free movement
- Check protected space door closure and ventilation shutdown interlocks
- Verify time-delay and pre-discharge alarm operation
- Check safety signage and operating instructions at protected space entrances
Service intervals
| Cylinder weight/pressure check | typically every 12 months |
| Full function test (detection/actuation, agent isolated) | typically annually per maker/class requirement |
| Internal cylinder inspection | typically every 5 years or per the maker's certification cycle |
| Detector sensitivity test | typically annually |
Typical wear limits
| Agent quantity loss | typically requires service/refill if loss exceeds around 5% of nominal charge weight - confirm against the maker/class acceptance limit |
| Superpressurization gauge reading | assessed against the green band marked on the specific cylinder - confirm against the maker's chart |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Critical spares
- Actuation solenoid valve
- Pilot actuator head
- Detector heads
- Manual pull cable assembly
- Cylinder valve seal kit
Safety
- Discharge displaces oxygen in the protected space and personnel must evacuate on alarm
- Thermal decomposition byproducts can form if the agent contacts very hot surfaces during discharge
- Cylinders are stored under pressure (nitrogen superpressurized) - do not work on them without isolating pressure and following maker guidance
- Risk of inadvertent discharge during maintenance if the system is not properly isolated
Class survey
Fixed clean-agent fire suppression systems are subject to annual survey with weight/pressure checks and periodic full function tests; documentation of agent quantity, cylinder inspection dates and detector test records is typically required at each machinery or safety equipment survey.
Components & Design
Component data being added…
Technical Data
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