What must permanently be marked on Halon 1301 discharge nozzles by manufacturers?

What must permanently be marked on Halon 1301 discharge nozzles by manufacturers?

• A. Identity of the manufacturer
• B. Size of orifice
• C. All of the above
• D. Type of orifice

Answer: (C)

Discharge nozzle markings are all about traceability and ensuring the system performs as designed over its life. The manufacturer’s identity is marked so technicians can source the correct replacement parts and verify the nozzle design meets the system’s approvals. The size of the orifice is marked because it directly affects how fast and how much agent is discharged—getting this wrong would change the required concentration in the protected space. The type of orifice is marked to indicate the discharge characteristics and flow behavior, which matters for how the agent distributes when released. Together these three permanent markings give you all the essential data to inspect, test, recharge, and replace components correctly, and they must remain legible and durable under operating conditions.

Discharge nozzle markings are all about traceability and ensuring the system performs as designed over its life. The manufacturer’s identity is marked so technicians can source the correct replacement parts and verify the nozzle design meets the system’s approvals. The size of the orifice is marked because it directly affects how fast and how much agent is discharged—getting this wrong would change the required concentration in the protected space. The type of orifice is marked to indicate the discharge characteristics and flow behavior, which matters for how the agent distributes when released.

Together these three permanent markings give you all the essential data to inspect, test, recharge, and replace components correctly, and they must remain legible and durable under operating conditions.