UL FM OS&Y Gate Valve 300 PSI – Powerful Fire Protection Control Valve

The Fireguard FGO135-300 UL FM OS&Y Gate Valve 300 PSI is a high-performance resilient seated fire protection valve designed for reliable flow control in fire sprinkler and hydrant systems.

This UL Listed and FM Approved OS&Y gate valve features grooved ends for easy installation, ductile iron construction, and corrosion-resistant epoxy coating, making it ideal for commercial, industrial, and high-rise fire protection systems.

✔ UL Listed & FM Approved
✔ 300 PSI working pressure
✔ OS&Y rising stem design
✔ Grooved ends for fast installation
✔ Available from DN50 to DN300

Perfect for fire sprinkler lines, fire pumps, and hydrant systems in compliance with international fire protection standards.

This product is currently out of stock and unavailable.

UL FM OS&Y Gate Valve 300 PSI – Fireguard FGO135-300

The UL FM OS&Y Gate Valve 300 PSI Fireguard FGO135-300 is a premium fire protection valve designed for controlling water flow in fire sprinkler systems, hydrant networks, and fire pump installations. Built with high-quality materials and engineered to meet international fire safety standards, this valve ensures reliable operation during emergency situations.

Fire protection systems require dependable valves that operate smoothly and maintain full water flow when needed. The Fireguard FGO135-300 OS&Y Gate Valve provides exceptional durability, corrosion resistance, and precise flow control, making it ideal for commercial, industrial, and residential fire protection applications.


Table of Contents

  1. What is a UL FM OS&Y Gate Valve

  2. Key Features of Fireguard FGO135-300

  3. Technical Specifications

  4. Applications in Fire Protection Systems

  5. Advantages of Grooved OS&Y Gate Valves

  6. Certifications and Compliance

  7. Why Buy from Rawabi Store


What is a UL FM OS&Y Gate Valve

An OS&Y (Outside Screw and Yoke) gate valve is a critical component in fire protection systems. Unlike standard valves, the OS&Y design allows visual confirmation of valve position because the stem rises when the valve opens.

This feature makes OS&Y valves mandatory in many fire protection installations because inspectors can easily verify whether the valve is open or closed.

The UL FM OS&Y Gate Valve 300 PSI is specially designed for use in fire sprinkler piping systems, ensuring reliable water flow control during fire emergencies.


Key Features of Fireguard FGO135-300

UL Listed and FM Approved

The valve meets internationally recognized fire protection standards and is approved for use in certified fire sprinkler systems.

High Pressure Rating

Designed to handle 300 PSI working pressure, ensuring stable operation even in high-pressure fire pump systems.

Durable Ductile Iron Body

The valve body is manufactured from high-strength ductile iron, providing superior durability and resistance to mechanical stress.

Corrosion Resistant Epoxy Coating

A fusion bonded epoxy coating protects the valve from corrosion and extends its operational lifespan.

Resilient Seated Wedge

The EPDM coated wedge ensures tight sealing and minimal leakage, improving system reliability.

Grooved End Connections

The grooved-grooved design allows faster installation and easier maintenance in modern fire protection piping systems.


Technical Specifications

Specification Details
Model FGO135-300
Valve Type OS&Y Gate Valve
Pressure Rating 300 PSI
Temperature Range -10°C to 120°C
Body Material Ductile Iron
Stem Material Stainless Steel
Seat Type EPDM Resilient
Connection Grooved x Grooved
Standards AWWA C515 / BS5163

The valve is available in sizes ranging from DN50 to DN300, making it suitable for various fire protection system layouts.


Applications in Fire Protection Systems

The UL FM OS&Y Gate Valve 300 PSI is widely used in:

  • Fire sprinkler systems

  • Fire hydrant networks

  • Fire pump rooms

  • Industrial fire protection systems

  • High-rise building fire safety systems

  • Warehouse fire protection systems

  • Commercial building sprinkler networks

Because of its reliability and compliance with fire safety standards, it is commonly specified in NFPA-compliant fire protection installations.


Advantages of Grooved OS&Y Gate Valves

Grooved valves have become the preferred choice for modern fire protection installations due to several advantages:

✔ Faster installation compared to flanged valves
✔ Reduced installation costs
✔ Easy maintenance and replacement
✔ Improved vibration resistance
✔ Reliable sealing performance

These advantages make the Fireguard FGO135-300 valve a practical and efficient solution for large fire protection systems.


Certifications and Compliance

The Fireguard FGO135-300 OS&Y Gate Valve meets strict international fire protection standards.

UL Listed
FM Approved
AWWA C515 compliant
BS5163 standard compliant

These certifications ensure the valve meets the highest quality requirements for fire protection equipment worldwide.


Why Buy from Rawabi Store

Rawabi Store supplies high-quality fire protection valves and piping materials across Saudi Arabia and the Middle East.

When you purchase from Rawabi Store, you get:

✔ Genuine UL/FM certified products
✔ Competitive pricing for contractors
✔ Fast delivery across Saudi Arabia
✔ Expert technical support

Size

DN50 (2"), DN65 (2½"), DN80 (3"), DN100 (4"), DN125 (5"), DN150 (6"), DN200 (8"), DN250 (10"), DN300 (12")

Pressure Rating

300 PSI

End Connection

Grooved × Grooved

Certification

UL Listed / FM Approved

Material

Ductile Iron

Coating

Fusion Bonded Epoxy

Temperature Range

-10°C to 120°C

Standard

AWWA C515 / BS5163

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