Product Usage Tutorials for Nitrogen Fire Suppression System

Mar 13, 2026

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1. System Routine Maintenance
Regular inspections are required to ensure system reliability. Users assume full responsibility for any consequences of improper maintenance. A comprehensive overhaul must be performed every three years, during which our company provides necessary spare parts and professional repair services.

2. Component Inspection

No	component	inspection items	Inspection requirements	Inspection frequency	Maintenance method
1	fire cabinet	Storage pressure of nitrogen cylinder	8MPa ≤ Storage pressure ≤ 15MPa	once a month	Fill with nitrogen gas
		Observation window	No oil accumulation in the window	once a month	Replace the oil drain valve
		Inside the fire cabinet	No traces of oil leakage	once a month	Check the oil leakage area and replace the relevant components
		Oil discharge electromagnet	Reliable overlap between oil discharge solenoid and handle	once a month	Processing after inserting the locking pin
		Nitrogen cylinder electric contact pressure gauge	Alarm triggered when storage pressure drops below 8MPa	once a year	Replace the electric contact pressure gauge
		heater	Can start normally	once a year	Check the power supply, replace the heater and controller
		Oil discharge electromagnet	Annual functional verification	once a year	Conducted during power outage of the main transformer
		Nitrogen injection electromagnet	Annual functional verification	once a year	Conducted during power outage of the main transformer
2	control cabinet	power supply	The power indicator light is indicating normally	once a month	Check the power supply or replace the power indicator light
		indicator light	Equipment self-test, indicator light is on normally	once a year	Replace the display module
		control function	Annual functional verification	once a year	Conducted during power outage of the main transformer
3	pipeline	sealing performance	No oil leakage	once a week	Repair pipeline
		gasket	The sealing gasket has no defects	once a month	Replace the sealing gasket
		bolt	The connecting bolts are not loose	once a year	fastening bolt
4	fire detector	function	Can send out fire signals normally	once a year	Replace the fire detector
4	fire detector	Insulation performance	The fire detector has no abnormal grounding	once a year	Replace the fire detector
5	Block valve	function	Smooth movement without any jamming	once a year	Replace the shut-off valve
		sealing performance	No leakage or oil leakage	once a year	Replace the sealing gasket or shut-off valve
		alarm function	After the shut-off valve is closed, it can send out an alarm signal normally	once a year	Replace the shut-off valve