AZY-YK Pressure Differential Controller - Positive Pressure Damper Controller

AZY-YK Residual Pressure Controller

Residual Pressure System Overview:

According to the Code for Fire Protection Design of Buildings, smoke prevention stairwells, anterooms of fire elevators, and combined anterooms that do not have natural smoke exhaust measures should be equipped with independent mechanical pressurized air supply for smoke control.

The residual pressure monitoring system ensures that the residual pressure in evacuation passages remains effectively controlled during a fire, preventing the spread of smoke while allowing evacuees to easily open fire doors to escape, ensuring safe疏散. It provides 24-hour real-time automatic monitoring of the residual pressure status in evacuation passages and alerts when abnormal pressure conditions occur. During a fire, the system can automatically adjust the air supply volume of the mechanical pressurized air supply system and can also be remotely controlled from the fire control center.

Residual Pressure System Components:

AZY-YZ Residual Pressure Monitor

AZY-YK Residual Pressure Controller

AZY-YP Residual Pressure Detector

AZY-YF Residual Pressure Valve Actuator

Residual Pressure Controller aliases: Residual Pressure Controller, Pressure Relief Controller, Residual Pressure Zone Controller, Damper Controller, Bypass Valve Controller, Positive Pressure Damper Controller, Residual Pressure Control Unit, etc.

For more product information and solution quotes, please call.

Contact: Manager Wu

Phone: 13891834587 (also on WeChat)   

Q    Q: 704151787

Email: 704151787@qq.com

Residual Pressure Technical Parameters:

Pressure values should meet the following requirements:

Smoke prevention stairwell: 40Pa to 50Pa;

Anteroom, combined anteroom, fire elevator anteroom: 25Pa to 30Pa.

AZY-YK Residual Pressure Controller Features:

• Fully complies with the national standard GB51251-2017 "Technical Standard for Building Smoke Control and Exhaust Systems";

• Monitors residual pressure in evacuation passages and controls the pressure relief valve using PID control to maintain pressure within a safe range;

• Feeds back on-site working status to the monitor (host) and coordinates with residual pressure detectors to adjust the pressure relief valve;

• Uses on-site fire protection power supply as the working power source, allowing flexible construction of large-capacity residual pressure monitoring systems;

• Each loop can support up to 128 residual pressure detectors;

• Can continuously adjust the opening angle of the pressure relief valve.

• Two-wire communication

Main Issues Addressed by the Residual Pressure System:

If the residual pressure is too high, evacuation doors may be difficult to open, severely impacting the疏散 of the elderly and children. The residual pressure monitoring system addresses this issue.

1、When residual pressure exceeds the standard, the system controls the opening of the pressure relief valve installed on the bypass of the pressurized air supply to reduce the on-site residual pressure.

2、When the residual pressure returns to the set reset value, the system controls the closing of the pressure relief valve to maintain the on-site residual pressure within the required range.

Residual Pressure System Applications:

The AZY-Y Residual Pressure Monitoring System is widely used in office buildings, high-rise buildings, shopping malls, hotels, hospitals, residential buildings, and any structure with evacuation corridors.