Certifications
Packaging & Shipping
Company Profile
Our Advantages
We NINGJIN APC INDUSTRIES CO.,LTD. have full range of fire valve and hydrant , Our following products are with FM and UL approval and we are geting Competitive price . We exported to America, Canadia , South America, Europe , Austria , Middle east , Asia about 100 countries .
Butterfly valve ( wafer and grooved 2.5''-12'' );
Fire hydrant 6'' ( Dry barrel and Wet barrel )
Gate valve ( 200psi and 300psi , with flanged , flanged * grooved, grooved, MJ, MJ* Flange )
Indicator post ( vertical type and wall type )
Swing check valve ( flanged , flanged * grooved, grooved )
Besides we are developing Wet alarm valve, Degule valve , Pressure reducing valve ,Air vent valve, Pressure Releasing valve , Backflow preventer ,Water flow switch , angle valve , and will also get FM UL . You have FM UL valve market , i think we will have chance to coopere .
We APC have our own foundry , machining workshop , coating workshop , assembly line and quality control system . And we have 20 year exporting experince . We will be your qualified supplier
A water gong system, often referred to as a "water flow alarm," is an important component in fire protection systems, particularly in wet pipe sprinkler systems.
A water gong system is an alarm system designed to notify occupants and emergency responders when water flows through a fire sprinkler system. It typically consists of a gong or bell that sounds an alarm when water is detected flowing through the system, indicating that the sprinkler heads have activated.
-
Flow Switch:
- The primary component that detects water flow. When water flows through the sprinkler system, the flow switch is activated, triggering the alarm.
-
Alarm Bell or Gong:
- A mechanical or electronic device that produces an audible alert (usually a loud ringing sound) to notify occupants of a fire incident.
-
Control Panel:
- Often connected to the flow switch, this panel can provide additional monitoring capabilities and may integrate with other fire alarm systems.
-
Activation:
- When a fire occurs, the heat from the flames activates the sprinkler heads, allowing water to flow into the system.
-
Water Flow Detection:
- The flow switch detects this movement of water. Once the flow exceeds a certain threshold, it sends a signal to the alarm system.
-
Alarm Sounding:
- The control panel activates the alarm bell or gong, producing a loud sound to alert building occupants and emergency services.
-
Monitoring:
- In some systems, the control panel can also send notifications to a central monitoring station or activate other alarm systems.
Importance of a Water Gong System
- Early Warning: It provides an immediate alert to occupants, allowing for quick evacuation and response.
- Firefighter Notification: It informs firefighters that the sprinkler system has activated, helping them assess the situation before entering the building.
- Compliance: Many building codes and fire safety regulations require water flow alarms in sprinkler systems to ensure adequate safety measures are in place.
Maintenance
Regular maintenance is essential for ensuring the water gong system functions correctly:
- Testing: Periodic tests of the flow switch and alarm system should be conducted to ensure they activate as intended.
- Inspections: Routine inspections should check for any obstructions, leaks, or mechanical issues in the system.
- Documentation: Keep accurate records of maintenance and testing to comply with safety regulations and codes.
Audited Supplier 
){kind=link}