Your Professional Fire Protection Valve Supplier

 

Founded in 2025, NONFIR is a professional manufacturer dedicated to FM/UL certified fire protection equipment, including automatic fire sprinklers, gate valves, and system components. NONFIR offers FM/UL certified fire protection products, specializing in sprinklers (pendent, upright, sidewall), gate valves, and other certified fire protection equipment, all manufactured for durability, reliability, and high performance.

 
  • Fire Flange OS&Y Gate Valve - Professional Fire Protectio...
    This fire flange outside screw & yoke (OS&Y) gate valve is a professional control component for fire protection systems. With flange connection and rising stem design, it ensures tight sealing, corrosion resistance and easy operation,
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  • Grooved OS&Y Gate Valve For Fire Protection Systems
    Proper fire valve installation is essential for ensuring reliable fire protection system performance. Common mistakes such as incorrect flow direction, poor pipe alignment, improper tightening, and lack of system support can lead to
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  • Flanged OS&Y Gate Valve For Fire Protection Systems
    The FM/UL certified flanged OS&Y gate valve is designed for reliable shut-off control in fire protection systems. It features a robust body construction and rising stem (OS&Y) design, providing clear visual indication of valve position.
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  • Fire Protection Gate Valves
    Nonfir fire protection gate valves are FM/UL certified, high-strength valves designed for fast, reliable water control in fire safety systems.Nonfir fire protection gate valves are FM/UL certified, high-strength valves designed for
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  • Os Y Gate Valve
    The Nonfir OS&Y Gate Valve, with its reliable exposed-stem design and FM/UL certifications, ensures safe and verifiable flow control for critical applications.In fire protection and industrial piping systems, the Nonfir OS&Y Gate Valveis a
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  • FM Approved Valve
    Nonfir FM approved valves deliver reliable, FM/UL certified performance for fire protection and industrial systems, ensuring safe and compliant operation in critical applications.Nonfir valves are high-quality gate valves rigorously tested
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  • Fire Fighting Gate Valve
    Nonfir fire fighting gate valves are FM/UL certified, high-flow valves designed for reliable, leak-free water control in emergency firefighting and municipal fire systems.Nonfir valves are specially designed for firefighting operations,
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  • Cast Iron Gate Valve
    Nonfir cast iron gate valves provide FM/UL certified reliability, delivering durable, corrosion-resistant performance for firefighting and industrial water control systems.Nonfir valves combine high-strength cast iron construction with
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  • Gate Valve for Fire Protection System
    Nonfir gate valve for fire protection system ensures FM/UL-certified, leak-free control with fast system response and stable pressure performance for integrated fire protection networks.The Nonfir valve is engineered as a core control
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  • Gate Valve Stem
    Nonfir grooved gate valve features a precision-engineered stem that ensures smooth operation, corrosion resistance, and FM/UL certified reliability for long-lasting performance.The Nonfir grooved gate valve features a precision-engineered
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  • Industrial Gate Valve
    Nonfir industrial gate valve delivers FM/UL-certified durability, high-pressure resistance, and reliable operation for demanding industrial water and chemical systems.The Nonfir industrial gate valve delivers FM/UL certified quality,
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  • Grooved End Gate Valve
    Engineered as an FM/UL certified valve, the Nonfir valve combines quick installation, leak-free operation, and stable connections for fire protection and industrial pipelines.The Nonfir grooved end gate valve features FM/UL certified
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Why Choose Us

Our Certificate

NONFIR products are FM and GB certified, ensuring reliable, high-quality, and compliant fire protection solutions, backed by multiple patents.

 

Production Market

NONFIR products are sold across China and exported to the Middle East, Southeast Asia, Russia, South America, and other countries, achieving an annual sales volume of about RMB 301.26 million.

Professional Team

Our professional team confirms all customer requirements before production, ensures sprinklers, valves, and other fire protection products meet strict quality standards during manufacturing, and offers dedicated after-sales support for installation guidance, troubleshooting, and product issues, guaranteeing reliable solutions and full customer satisfaction.

Our Factory

NONFIR operates a modern facility with over 115 employees and a fully automated production line for FM/UL certified fire sprinklers, ensuring precise, high-quality, and reliable fire protection products for industrial, commercial, and high-rise applications worldwide.

 

 

Key Benefits of Fire Protection Valve

 

Durable Materials

Resistance to corrosion, high temperatures, and mechanical stress.

01

Precise Control

Accurate shut-off and opening for optimal water flow management.

02

Low Maintenance

Engineered for long-term performance with minimal servicing.

03

Compatibility

Suitable for integration with hydrants, sprinklers, and other firefighting systems.

04

 

Product Paramenters

 

Item

Specification (EN1171)

Type

Flanged OS&Y / Grooved OS&Y

Certificate

FM/UL

Standard

EN1171 / ASME B16.1 / AWWA C515

Connection

Flanged to BS/ANSI / Grooved to AWWA

Testing

Factory hydrostatic test at 24–450 bar

Temperature range

0 °C – 100 °C

Working pressure

300–350 Psi

Size range

2 – 12 in (DN50 – DN300)

 

Types of Fire Protection Valve

 
 
01
 

Fire Hydrant Gate Valve

A fire hydrant gate valve controls the water supply to outdoor hydrants. It features a gate mechanism that moves vertically to block or allow flow, ensuring a tight seal and minimal leakage. These valves are built to withstand high water pressure and repeated operation during emergencies.

 
02
 

Fire Protection Gate Valves

Fire protection gate valves are integral to internal building fire suppression systems. They are often installed along main water lines feeding sprinklers and standpipes. With a robust design, they provide dependable isolation and allow maintenance without shutting down the entire system.

 
03
 

Fire Hydrant Valve

A fire hydrant valve is typically installed at the hydrant outlet, enabling firefighters to quickly connect hoses and control flow. Its design must allow rapid operation, even under extreme pressure conditions, to deliver water efficiently to the fire scene.

Fire Protection Gate Valves manufacturers

 

Key Functions of Fire Protection Valves
 
 

Fire protection valves serve several important functions:

 

Flow Control:

They regulate the amount of water or fire suppressant flowing through the system.

 
 

Pressure Regulation:

Fire protection valves maintain appropriate pressure levels within the system to ensure optimal performance.

 
 

System Monitoring:

They monitor and control the system's operation to detect any issues or malfunctions.

 
 

Emergency Response:

During a fire, these valves help direct the flow of water to where it is needed most, improving the effectiveness of the response.

 

 

Gate Valve For Fire Protection System manufacturers

 

Application of Fire Protection Valve

Commercial Buildings – To control water to sprinklers and standpipes.

 

Industrial Plants – Protecting high-risk zones like warehouses and chemical storage.

 

Public Infrastructure – Supplying hydrants in streets, airports, and ports.

 

Marine Vessels – Installed in onboard firefighting systems.

 

Maintain Of Fire Protection Valve

Regular Inspections (Monthly, Quarterly, Annually)

Consistency is key. Establish a maintenance schedule that reflects your environment’s risk level. Monthly visual checks help spot obvious issues early. Quarterly reviews dig deeper—think minor wear or loose components. Annual inspections? These are your full-system deep dives, ensuring every valve meets both operational and regulatory standards. Use a structured fire valve inspection checklist to stay organised and compliant.

 

Lubrication of Moving Parts

Neglecting lubrication leads to stiffness—and eventually failure. Apply fire-safe lubricants to stems, handles, and gear mechanisms as per manufacturer guidelines. This prevents seizing and reduces friction, especially in high-use or humid environments. A smooth-moving valve is a responsive valve.

 

Checking for Corrosion, Leaks, or Physical Damage

Don’t let minor deterioration become a major hazard. Look for rust, mineral build-up, or cracks on the body and joints. Even a small leak can compromise system pressure. Catch these early, and you avoid costly repairs—or worse, failure during a fire.

 

Functionality Testing (Open/Close Cycles)

Fire valves must respond instantly. Routine open/close tests ensure they move freely and seal properly. Log each test and monitor for stiffness, delays, or incomplete cycles. It’s a simple task that validates your system’s readiness when seconds count.

 

Ensuring Valve Accessibility and Clear Signage

A valve you can’t reach is a valve you can’t use. Keep the area around each valve clear of clutter or storage. Double-check that all signage is visible, legible, and compliant with UK safety regulations. In an emergency, clarity saves time—and time saves lives.

 

 

FAQ

Q: What is a fire protection valve?

A: Fire protection control valves are some of the most vital standpipe systems and fire sprinkler system components, controlling water flow to the network of pipes that feed the sprinklers.

Q: What is the 3 rule for pressure relief valves?

A: The 3% rule recommends that the inlet piping between the protected equipment and the inlet flange of the PRV be designed so that the total pressure loss in the line shall be the sum of the inlet loss, line loss, and valve loss and shall not exceed 3% of the set pressure of the valve.

Q: What is the purpose of a fire safety valve?

A: Fire safety valves being a recent development in the industrial tools to prevent fire are basically designed to prevent a fire from spreading if the fuel valve gets damaged causing a leakage.

Q: How does a fire valve work?

A: The fire alarm valve operates based on a pressure differential. When a sprinkler head is activated due to heat from a fire, it opens to release water. This sudden drop in pressure causes the valve to open, triggering a flow of water through the system.

Q: What is a fire safe test for valves?

A: After and during the simulated fire, the seat leakage and body seals are to be measured and a final open/close functional- ity test is performed. If the results are within prescribed parameters, the valve will be considered Fire Safe and receive a conformity report.

As one of the leading fire protection valve manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy customized fire protection valve made in China here from our factory. For price consultation, contact us.

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