What Is a Fire Pressure Stabilization System?
The ZW series fire pressure stabilization system (also known as a fire pressure boosting unit or fire water pressure maintenance system) is a compact, integrated solution designed to maintain stable pressure in fire protection networks. By combining a diaphragm-type pressure tank, fire water storage unit, and an intelligent constant-pressure control system, it ensures that the fire (pipe network) is always pressurized and ready for immediate response.
Unlike traditional solutions that rely on large water tanks or separate stabilization facilities, this integrated design significantly reduces footprint, minimizes installation work, and lowers the risk of secondary contamination during water storage. With pressure configurations available at 0.6 MPa, 1.0 MPa, and 1.6 MPa, it supports high-precision constant-pressure control across diverse fire protection scenarios.
Key Features & Benefits
Extended Service Life (≥15 Years)
Equipped with a diaphragm-type pressure tank featuring one-time (air charging) and premium electrical components, the system resists fatigue and corrosion, extending service life by over 40% compared to traditional bladder-type stabilization units.
Significant Energy Savings (15%–30% Reduction)
Intelligent variable-frequency control adjusts pump speed based on real-time demand, reducing energy waste by 15%–25% at rated conditions. When combined with fire signal linkage that prevents unnecessary operation, annual electricity costs can be lowered by 20%–30%.
Reduced Maintenance Costs
The modular integrated design and no-embedded-bolt installation simplify maintenance. Routine inspections require no special tools, and a single technician can complete pressure checks or component replacement in under 1 hour, reducing labor costs by 50%.
Compact Footprint (35% Space Reduction)
The four-in-one integration of stabilization pump + electrical control + pressure tank + pipe network reduces equipment footprint by approximately 35% compared to equivalent traditional setups, lowering pump room space requirements and civil engineering costs.
Rapid Installation (40% Time Reduction)
With standard flange/threaded connections and pre-installed vibration isolators, the system can go from positioning to commissioning in just 2 hours, compressing the deployment cycle by 40%.
Technical Specifications
| Parameter | Specification |
|---|---|
| Pressure Configurations | 0.6 MPa / 1.0 MPa / 1.6 MPa |
| Fire Water Storage | ≥150 L / 300 L / 450 L |
| Stabilization Storage | ≥50 L |
| Constant Pressure Accuracy | ≤ ±0.01 MPa |
| Medium | Clean water or similar liquids |
| Ambient Temperature | 0 – 40°C |
| Humidity | ≤ 95% (no condensation) |
| Altitude | ≤ 1000 m (customizable) |
| Power Supply | 3-phase 380V ±10% / 50Hz (dual power optional) |
| Control | Intelligent voice / pressure linkage / fire signal input (optional) |
| Installation | Indoor, dry & ventilated, no embedded bolts required |
Compliance & Certification
The ZW series fire pressure stabilization system is manufactured in strict compliance with 98S205 (Fire Pressure Boosting and Stabilization Equipment Selection and Installation) national standard drawings. It meets all hydraulic performance and electrical safety requirements, with full performance test reports available from third-party testing agencies.
It is fully compliant with GB 50974-2014 (Technical Code for Fire Protection Water Supply and Hydrant Systems), featuring built-in fire water storage of ≥150L to provide 30 seconds of initial firefighting water before the main fire pump starts. The intelligent electrical control module has passed CCC/CE certification and complies with GB 7251.1-2013 (Low-Voltage Switchgear Standards) with IP54 protection rating.
Application Scenarios
The ZW series is widely deployed in:
- Multi-Story Buildings: Residential, office, and commercial building hydrant system pressure maintenance.
- High-Rise Buildings: Zoned fire water supply systems for high-rise residential, hotels, and office towers, configurable per floor and pressure zone.
- Automatic Sprinkler Systems: Shopping malls, hospitals, and factory sprinkler networks to maintain network pressure and improve response time.
- Complex Fire Systems: Underground engineering, rail transit, and industrial plants, integrating with fire control systems for automatic start/stop, status monitoring, and system linkage.
Installation Guide
Pre-Installation Checks
- Foundation: Verify flatness ≤ 2 mm/m. Reserve ≥ 500 mm clearance around the unit for maintenance.
- System Pressure: Confirm required pressure (0.6/1.0/1.6 MPa) and ensure medium is clean water.
- Environment: Temperature 0–40°C, altitude ≤ 1000 m. Dual power wiring must have correct phase sequence.
Installation Steps
- Positioning: Install the unit on a level indoor floor. Use vibration isolators for leveling; no embedded anchor bolts are required. Ensure horizontal tolerance ≤ 2 mm/m.
- Pipe Connections: Use standard flange/threaded connections. Install flexible rubber joints to absorb pipe stress. Provide independent supports for inlet and outlet lines.
- Wiring: Route the control cabinet junction box outward. Secure cables in conduits. Grounding resistance must be ≤ 4Ω.
- Pre-Start Check: Verify pressure tank pre-charge pressure matches design requirements (typically 70%–80% of system working pressure). Confirm dual power connections.
- Parameter Setting: Set target pressure on the control panel (default: 0.3–0.6 MPa). Start the unit and observe pressure feedback and pump start/stop logic to ensure constant pressure accuracy ≤ ±0.02 MPa.
Commissioning
Confirm pressure tank pre-charge → Verify dual power wiring → Set control panel parameters → Test automatic stabilization operation → Simulate fire signal linkage → Record pressure/current/switching time data → Sign-off.
Frequently Asked Questions
Q1: How much initial firefighting water does the system provide?
The system includes built-in fire water storage of ≥150L, providing approximately 30 seconds of initial firefighting water before the main fire pump activates. This meets the core acceptance requirements of GB 50974-2014.
Q2: What pressure configurations are available?
The ZW series supports 0.6 MPa, 1.0 MPa, and 1.6 MPa pressure configurations, allowing precise matching to your building’s fire protection network requirements.
Q3: Does the system support dual power supply?
Yes. The intelligent control module supports dual power automatic/manual switching with a response time of ≤ 3 seconds, ensuring continuous operation even during primary power failure.
Q4: How accurate is the constant pressure control?
The system maintains constant pressure accuracy within ±0.01 MPa, ensuring stable network pressure and preventing unnecessary pump cycling.
Why Choose Chaodun Pump?
Chaodun Pump delivers ZW series fire pressure stabilization systems that combine compact design, high efficiency, and reliable fire protection compliance. Every unit undergoes 1.5× rated pressure hydrostatic testing (5-minute hold), pressure tank seal testing, and dual power switching response testing (≤3 seconds) before shipment. Contact us for technical specifications or a custom quote for your fire protection project.