What Valves Are Used in Fire Protection Systems? A Complete Selection Guide

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What Valves Are Used in Fire Protection Systems? A Complete Selection Guide

15/04/2026

🔷 Overview of fire protection systems

A fire protection system is essential in:

Industrial factories
High-rise buildings
Warehouses and logistics centers
Manufacturing plants

👉 Its main purpose is to supply water quickly, reliably, and safely during fire emergencies.

In these systems, industrial valves play a critical role in:

Controlling water flow
Maintaining system pressure
Activating sprinkler systems

⚙️ Technical requirements for fire protection valves

Valves used in fire protection systems must meet the following requirements:

✔️ High reliability

Immediate operation when needed

✔️ Pressure resistance

PN16 – PN25 or equivalent

✔️ Corrosion resistance

Epoxy coating or ductile iron/stainless steel materials

✔️ Compliance with standards

UL, FM, NFPA

🔧 Common valves used in fire protection systems

1. Gate valve

👉 The most common valve in fire protection systems

Used for full open/close operation
Minimal pressure loss
Ensures maximum water flow

✔️ Application: main fire water supply lines

2. Butterfly valve

Compact and lightweight
Quick operation
Can be equipped with a tamper switch

✔️ Application: sprinkler systems, pump rooms

3. Check valve

Prevents backflow
Protects fire pumps

✔️ Application: downstream of pumps and water supply systems

4. Alarm valve

👉 A key component in sprinkler systems

Activates alarm when water flows
Detects fire events via flow activation

✔️ Application: automatic sprinkler systems

5. Pressure reducing valve (PRV)

Reduces system pressure
Protects pipelines and equipment

✔️ Application: high-rise buildings

📊 Quick comparison of fire protection valves

Valve type	Function	Application
Gate valve	Main isolation	Water supply system
Butterfly valve	Quick shut-off	Sprinkler system
Check valve	Backflow prevention	Pump systems
Alarm valve	Fire detection	Sprinkler systems
PRV	Pressure control	High-pressure systems

⚠️ Common mistakes

Using non-UL/FM approved valves → system may fail inspection
Incorrect installation of check valves → improper system operation
Ignoring pressure ratings → system damage risk

🔥 Quick selection tips

👉 Main valve → UL/FM gate valve
👉 Sprinkler system → Butterfly valve + Alarm valve
👉 After pump → Check valve
👉 High-pressure systems → Pressure reducing valve (PRV)

🏁 Conclusion

Fire protection systems require valves that are:

Highly reliable
Fast-acting
Compliant with international standards

👉 Choosing the right valves helps:

Ensure safety during fire emergencies
Maintain stable system performance
Meet inspection and certification requirements

📞 Contact Information

Phuc Minh Engineering Co., Ltd (PM-E) specializes in supplying fire protection valves, firefighting equipment, flanges, and piping components that meet international standards.

🌐 Website: pm-e.vn
📧 Email: info@pm-e.vn
📱 Hotline: +84 907 450 506 – +84 902 720 814 – +84 979 737 351

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