High Quality Preaction Alarm Valve Fire Fighting Sprinkler System Valve ZSFY Series
The Pre-Action Alarm Valve serves as an essential control unit within advanced fire protection systems. Engineered for environments where accidental water discharge poses a significant risk, this system maintains a dry pipe network under supervisory air pressure. It requires a dual-confirmation sequence—from an independent detection system and the sprinkler heads themselves—before releasing water, thereby offering superior protection against unwarranted water damage.
Description
Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of high quality preaction alarm valve fire fighting sprinkler system valve zsfy series in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.
Intelligent Fire Response: On‑Demand Activation, No Accidental Discharge
CA-FIRE Pre-Action Valve Assembly
This preaction alarm valve operates in a dry pipe standby state under normal conditions, with no water filled in the distribution piping. Water is only admitted into the system when both fire detection devices activate and sprinkler heads open, effectively preventing accidental water damage caused by false alarms, pipe breakage, or improper operation. It provides reliable protection for facilities where water leakage is strictly prohibited.
Robust Structural Design: Integrated Construction for Stable Performance
| Specification | Stainless Steel (ZSFY-1.6P) | Grooved Type (ZSFY-1.6G) |
|---|---|---|
| Size | DN100 / DN150 / DN200 | DN100 / DN150 / DN200 |
| Height (mm) | 605 / 720 / 910 | 610 / 730 / 865 |
| Working Pressure | 1.6 MPa | 1.6 MPa |
| Seal Test | 3.2 MPa | 3.2 MPa |
| Strength Test | 6.4 MPa | 6.4 MPa |
| Control Method | Electric Signal / Wet or Dry Pilot Pipe / Emergency Manual | Electric Signal / Wet or Dry Pilot Pipe / Emergency Manual |
The valve body is made of high‑strength cast iron for high pressure resistance and long service life. The assembly integrates the main control valve, alarm circuit, check mechanism, and control accessories in a compact layout, minimizing external connections and potential leakage points. The valve disc features stable sealing and smooth actuation, ensuring dependable opening even after long‑term standby without jamming or failure.
Efficient Operating Performance: Rapid Actuation with Synchronous Alarm
Wide Application Flexibility: Adaptable to Multiple Environments
Ideal for environments sensitive to water damage, including archives, data centers, electrical rooms, precision workshops, warehouses, and cultural facilities. Its dry pipe design also prevents freezing in low‑temperature or unheated areas, making it suitable for both new construction projects and fire safety retrofitting in industrial and commercial buildings.
Easy Installation & Low Maintenance
The valve assembly uses standard connection interfaces for flexible and straightforward on‑site installation. Routine maintenance only requires regular inspection of sealing performance, piping conditions, and actuation functions. With durable components and a simplified structure, it ensures stable long‑term operation and reduces overall maintenance costs.
Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
+86 18876525221
sales9@ca-fire.com
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