Model Series: QMP4.2/( )N-ZY
System Type: Heptafluoropropane (HFC-227ea) Pipe Network System designed for efficient fire protection in high-value environments.
Compliant with GB 50370-2005 national standards for gas fire extinguishing systems.
Available in multiple volumes: 90L, 120L, 150L, and 180L to suit various room sizes.
Operating temperature range from 0 °C to 55 °C with a robust 20-year service life.
| Item | Value |
|---|---|
| Storage Pressure (Agent) | 4.2 MPa @ 20 °C |
| Extinguishing Concentration | 0.63–0.81 kg/m³ |
| Environment | 0 °C ~ 55 °C (system); gauge –40 ~ 70 °C |
| Actuation Current | 1–2 A |
| Cylinder Volumes | 90 / 120 / 150 / 180 L |
| Standards | GB 50370-2005; TSG 23-2021 / GB/T 5100-2020 / GB 25972-2010 |








Our facility is located in a National High-tech Industry Development Zone, led by a team with 20 years of expertise in the fire protection industry. As a high-tech enterprise, we integrate research, development, design, manufacturing, and technical services. We hold Grade I professional contracting qualifications for fire facilities and specialized equipment testing certification for seamless and fiber-winding cylinders.
Equipped with modern standardized workshops and advanced experimental laboratories, we continuously introduce new technology and expert R&D talent. Our core independent technologies in fire extinguishing agent canning reach industry-leading standards, ensuring safe, reliable products for all global sectors.

